From d6bafb1d2db8d7126dd897570498ac9441f76218 Mon Sep 17 00:00:00 2001
From: hc-github-team-tf-azure <>
Date: Thu, 27 Jun 2024 12:39:33 +0000
Subject: [PATCH] data: regenerating based on the latest Swagger

---
 .../Agreement/Constant-AcceptanceMode.json    |  34 +
 .../Agreement/Constant-Category.json          |  30 +
 .../2024-04-01/Agreement/Model-Agreement.json |  83 +++
 .../Agreement/Model-AgreementProperties.json  | 145 +++++
 .../Agreement/Model-BillingProfileInfo.json   |  70 ++
 .../Agreement/Model-Participant.json          |  45 ++
 .../2024-04-01/Agreement/Operation-Get.json   |  14 +
 .../Operation-ListByBillingAccount.json       |  28 +
 .../Agreement/ResourceId-AgreementId.json     |  34 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../2024-04-01/ApiVersionDefinition.json      |  36 ++
 ...Constant-BillingManagementTenantState.json |  22 +
 .../Constant-ProvisioningState.json           |  30 +
 .../Constant-ProvisioningTenantState.json     |  34 +
 .../Model-AssociatedTenant.json               |  83 +++
 .../Model-AssociatedTenantProperties.json     |  83 +++
 .../Operation-CreateOrUpdate.json             |  19 +
 .../AssociatedTenant/Operation-Delete.json    |  11 +
 .../AssociatedTenant/Operation-Get.json       |  14 +
 .../Operation-ListByBillingAccount.json       |  88 +++
 .../ResourceId-AssociatedTenantId.json        |  34 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../Constant-PaymentMethodFamily.json         |  38 ++
 .../AvailableBalance/Model-Amount.json        |  31 +
 .../Model-AvailableBalance.json               |  83 +++
 .../Model-AvailableBalanceProperties.json     |  48 ++
 .../Model-PaymentOnAccount.json               |  97 +++
 .../Operation-GetByBillingAccount.json        |  15 +
 .../Operation-GetByBillingProfile.json        |  15 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../ResourceId-BillingProfileId.json          |  34 +
 .../Constant-AccountStatus.json               |  50 ++
 .../Constant-AccountSubType.json              |  26 +
 .../BillingAccount/Constant-AccountType.json  |  42 ++
 .../Constant-AddressValidationStatus.json     |  18 +
 .../Constant-AgreementType.json               |  26 +
 ...nstant-BillingAccountStatusReasonCode.json |  30 +
 .../Constant-BillingProfileStatus.json        |  30 +
 ...nstant-BillingProfileStatusReasonCode.json |  26 +
 .../Constant-BillingRelationshipType.json     |  30 +
 .../Constant-ExtendedTermOption.json          |  18 +
 .../BillingAccount/Constant-MarkupStatus.json |  26 +
 .../Constant-PaymentTermsEligibilityCode.json |  46 ++
 ...onstant-PaymentTermsEligibilityStatus.json |  18 +
 .../Constant-ProvisioningState.json           |  30 +
 .../Constant-SpendingLimit.json               |  14 +
 .../BillingAccount/Constant-SupportLevel.json |  22 +
 .../Constant-TaxIdentifierStatus.json         |  18 +
 .../Constant-TaxIdentifierType.json           |  86 +++
 .../BillingAccount/Model-AddressDetails.json  | 200 ++++++
 .../Model-AddressValidationResponse.json      |  48 ++
 .../BillingAccount/Model-AzurePlan.json       |  44 ++
 .../BillingAccount/Model-BillingAccount.json  |  83 +++
 .../Model-BillingAccountPatch.json            |  83 +++
 .../Model-BillingAccountProperties.json       | 238 +++++++
 .../Model-EnrollmentDetails.json              | 202 ++++++
 .../Model-IndirectRelationshipInfo.json       |  44 ++
 ...InvoiceSectionWithCreateSubPermission.json | 139 ++++
 .../BillingAccount/Model-PaymentTerm.json     |  59 ++
 .../Model-PaymentTermsEligibilityDetail.json  |  31 +
 .../Model-PaymentTermsEligibilityResult.json  |  35 +
 .../Model-RegistrationNumber.json             |  48 ++
 .../BillingAccount/Model-TaxIdentifier.json   |  70 ++
 .../Model-TransitionDetails.json              |  32 +
 .../Operation-AddPaymentTerms.json            |  24 +
 .../Operation-AddressValidate.json            |  18 +
 .../Operation-CancelPaymentTerms.json         |  20 +
 .../Operation-ConfirmTransition.json          |  15 +
 .../BillingAccount/Operation-Get.json         |  14 +
 .../BillingAccount/Operation-List.json        | 137 ++++
 ...ectionsByCreateSubscriptionPermission.json |  28 +
 .../BillingAccount/Operation-Update.json      |  19 +
 .../Operation-ValidatePaymentTerms.json       |  23 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../Constant-AccessDecision.json              |  18 +
 .../Model-BillingPermission.json              |  39 ++
 .../Model-CheckAccessRequest.json             |  22 +
 .../Model-CheckAccessResponse.json            |  31 +
 ...Operation-CheckAccessByBillingAccount.json |  23 +
 ...Operation-CheckAccessByBillingProfile.json |  23 +
 .../Operation-CheckAccessByCustomer.json      |  23 +
 .../Operation-CheckAccessByDepartment.json    |  23 +
 ...ration-CheckAccessByEnrollmentAccount.json |  23 +
 ...Operation-CheckAccessByInvoiceSection.json |  23 +
 .../Operation-ListByBillingAccount.json       |  16 +
 .../Operation-ListByBillingProfile.json       |  16 +
 .../Operation-ListByCustomer.json             |  16 +
 ...ration-ListByCustomerAtBillingAccount.json |  16 +
 .../Operation-ListByDepartment.json           |  16 +
 .../Operation-ListByEnrollmentAccount.json    |  16 +
 .../Operation-ListByInvoiceSection.json       |  16 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-CustomerId.json                |  34 +
 .../ResourceId-DepartmentId.json              |  34 +
 .../ResourceId-EnrollmentAccountId.json       |  34 +
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Constant-BillingProfileStatus.json        |  30 +
 ...nstant-BillingProfileStatusReasonCode.json |  26 +
 .../Constant-BillingRelationshipType.json     |  30 +
 ...t-DeleteBillingProfileEligibilityCode.json |  42 ++
 ...DeleteBillingProfileEligibilityStatus.json |  14 +
 .../Constant-ProvisioningState.json           |  30 +
 .../Constant-SpendingLimit.json               |  14 +
 .../Constant-SpendingLimitStatus.json         |  30 +
 .../Constant-SpendingLimitType.json           |  66 ++
 .../BillingProfile/Constant-TargetCloud.json  |  26 +
 .../BillingProfile/Model-AddressDetails.json  | 200 ++++++
 .../BillingProfile/Model-AzurePlan.json       |  44 ++
 .../BillingProfile/Model-BillingProfile.json  |  83 +++
 .../Model-BillingProfileProperties.json       | 324 ++++++++++
 ...DeleteBillingProfileEligibilityDetail.json |  31 +
 ...DeleteBillingProfileEligibilityResult.json |  35 +
 .../Model-IndirectRelationshipInfo.json       |  44 ++
 .../BillingProfile/Model-PaymentTerm.json     |  59 ++
 .../Model-SpendingLimitDetails.json           |  85 +++
 .../Operation-CreateOrUpdate.json             |  20 +
 .../BillingProfile/Operation-Delete.json      |  11 +
 .../BillingProfile/Operation-Get.json         |  14 +
 .../Operation-ListByBillingAccount.json       |  88 +++
 .../Operation-ValidateDeleteEligibility.json  |  15 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../ResourceId-BillingProfileId.json          |  34 +
 .../Constant-AccountStatus.json               |  50 ++
 .../Constant-AccountSubType.json              |  26 +
 .../BillingProperty/Constant-AccountType.json |  42 ++
 .../Constant-AgreementType.json               |  26 +
 ...nstant-BillingAccountStatusReasonCode.json |  30 +
 .../Constant-BillingProfileStatus.json        |  30 +
 ...nstant-BillingProfileStatusReasonCode.json |  26 +
 .../Constant-BillingSubscriptionStatus.json   |  54 ++
 .../Constant-CustomerStatus.json              |  34 +
 .../Constant-InvoiceSectionState.json         |  34 +
 ...onstant-InvoiceSectionStateReasonCode.json |  26 +
 .../Constant-PaymentMethodFamily.json         |  38 ++
 .../Constant-SpendingLimit.json               |  14 +
 .../Constant-SpendingLimitStatus.json         |  30 +
 .../Constant-SpendingLimitType.json           |  66 ++
 .../Constant-SubscriptionBillingType.json     |  26 +
 .../Constant-SubscriptionStatusReason.json    |  42 ++
 .../Constant-SubscriptionWorkloadType.json    |  22 +
 .../BillingProperty/Model-AddressDetails.json | 200 ++++++
 .../Model-BillingProperty.json                |  83 +++
 .../Model-BillingPropertyProperties.json      | 520 +++++++++++++++
 ...odel-BillingSubscriptionStatusDetails.json |  32 +
 .../Model-SpendingLimitDetails.json           |  85 +++
 .../Model-SubscriptionEnrollmentDetails.json  |  70 ++
 .../BillingProperty/Operation-Get.json        |  37 ++
 .../BillingProperty/Operation-Update.json     |  19 +
 .../ResourceId-SubscriptionId.json            |  16 +
 .../Constant-BillingRequestStatus.json        |  34 +
 .../Constant-BillingRequestType.json          |  26 +
 .../Constant-ProvisioningState.json           |  30 +
 .../BillingRequest/Model-BillingRequest.json  |  83 +++
 .../Model-BillingRequestProperties.json       | 433 +++++++++++++
 .../BillingRequest/Model-Principal.json       |  44 ++
 .../Operation-CreateOrUpdate.json             |  19 +
 .../BillingRequest/Operation-Get.json         |  14 +
 .../Operation-ListByBillingAccount.json       |  78 +++
 .../Operation-ListByBillingProfile.json       |  78 +++
 .../Operation-ListByCustomer.json             |  78 +++
 .../Operation-ListByInvoiceSection.json       |  78 +++
 .../BillingRequest/Operation-ListByUser.json  |  77 +++
 .../ResourceId-BillingAccountId.json          |  25 +
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-BillingRequestId.json          |  25 +
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Constant-PrincipalType.json               |  34 +
 .../Constant-ProvisioningState.json           |  30 +
 .../Model-BillingRoleAssignment.json          |  83 +++
 ...Model-BillingRoleAssignmentProperties.json | 397 ++++++++++++
 .../Operation-CreateByBillingAccount.json     |  20 +
 .../Operation-CreateByBillingProfile.json     |  20 +
 .../Operation-CreateByCustomer.json           |  20 +
 .../Operation-CreateByInvoiceSection.json     |  20 +
 ...ration-CreateOrUpdateByBillingAccount.json |  19 +
 .../Operation-CreateOrUpdateByDepartment.json |  19 +
 ...ion-CreateOrUpdateByEnrollmentAccount.json |  19 +
 .../Operation-DeleteByBillingAccount.json     |  11 +
 .../Operation-DeleteByBillingProfile.json     |  11 +
 .../Operation-DeleteByCustomer.json           |  11 +
 .../Operation-DeleteByDepartment.json         |  11 +
 .../Operation-DeleteByEnrollmentAccount.json  |  11 +
 .../Operation-DeleteByInvoiceSection.json     |  11 +
 .../Operation-GetByBillingAccount.json        |  14 +
 .../Operation-GetByBillingProfile.json        |  14 +
 .../Operation-GetByCustomer.json              |  14 +
 .../Operation-GetByDepartment.json            |  14 +
 .../Operation-GetByEnrollmentAccount.json     |  14 +
 .../Operation-GetByInvoiceSection.json        |  14 +
 .../Operation-ListByBillingAccount.json       |  48 ++
 .../Operation-ListByBillingProfile.json       |  48 ++
 .../Operation-ListByCustomer.json             |  48 ++
 .../Operation-ListByDepartment.json           |  16 +
 .../Operation-ListByEnrollmentAccount.json    |  16 +
 .../Operation-ListByInvoiceSection.json       |  48 ++
 .../Operation-ResolveByBillingAccount.json    |  39 ++
 .../Operation-ResolveByBillingProfile.json    |  39 ++
 .../Operation-ResolveByCustomer.json          |  39 ++
 .../Operation-ResolveByInvoiceSection.json    |  39 ++
 .../ResourceId-BillingAccountId.json          |  25 +
 ...BillingProfileBillingRoleAssignmentId.json |  43 ++
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-BillingRoleAssignmentId.json   |  34 +
 ...rceId-CustomerBillingRoleAssignmentId.json |  52 ++
 ...eId-DepartmentBillingRoleAssignmentId.json |  43 ++
 .../ResourceId-DepartmentId.json              |  34 +
 ...ollmentAccountBillingRoleAssignmentId.json |  43 ++
 .../ResourceId-EnrollmentAccountId.json       |  34 +
 ...InvoiceSectionBillingRoleAssignmentId.json |  52 ++
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Model-BillingPermission.json              |  39 ++
 .../Model-BillingRoleDefinition.json          |  83 +++
 ...Model-BillingRoleDefinitionProperties.json |  48 ++
 .../Operation-GetByBillingAccount.json        |  14 +
 .../Operation-GetByBillingProfile.json        |  14 +
 .../Operation-GetByCustomer.json              |  14 +
 .../Operation-GetByDepartment.json            |  14 +
 .../Operation-GetByEnrollmentAccount.json     |  14 +
 .../Operation-GetByInvoiceSection.json        |  14 +
 .../Operation-ListByBillingAccount.json       |  16 +
 .../Operation-ListByBillingProfile.json       |  16 +
 .../Operation-ListByCustomer.json             |  16 +
 .../Operation-ListByDepartment.json           |  16 +
 .../Operation-ListByEnrollmentAccount.json    |  16 +
 .../Operation-ListByInvoiceSection.json       |  16 +
 .../ResourceId-BillingAccountId.json          |  25 +
 ...BillingProfileBillingRoleDefinitionId.json |  43 ++
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-BillingRoleDefinitionId.json   |  34 +
 ...rceId-CustomerBillingRoleDefinitionId.json |  52 ++
 ...eId-DepartmentBillingRoleDefinitionId.json |  43 ++
 .../ResourceId-DepartmentId.json              |  34 +
 ...ollmentAccountBillingRoleDefinitionId.json |  43 ++
 .../ResourceId-EnrollmentAccountId.json       |  34 +
 ...InvoiceSectionBillingRoleDefinitionId.json |  52 ++
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Constant-AutoRenew.json                   |  14 +
 ...nt-BillingSubscriptionOperationStatus.json |  18 +
 .../Constant-BillingSubscriptionStatus.json   |  54 ++
 .../Constant-Cancellation.json                |  14 +
 .../Constant-CancellationReason.json          |  18 +
 .../Constant-ProvisioningState.json           |  30 +
 ...t-SubscriptionEnrollmentAccountStatus.json |  34 +
 .../Constant-SubscriptionStatusReason.json    |  42 ++
 ...bscriptionTransferValidationErrorCode.json | 118 ++++
 .../BillingSubscription/Model-Amount.json     |  31 +
 .../Model-Beneficiary.json                    |  31 +
 .../Model-BillingSubscription.json            |  83 +++
 .../Model-BillingSubscriptionAlias.json       |  83 +++
 ...el-BillingSubscriptionAliasProperties.json | 605 ++++++++++++++++++
 ...Model-BillingSubscriptionMergeRequest.json |  31 +
 .../Model-BillingSubscriptionPatch.json       |  83 +++
 .../Model-BillingSubscriptionProperties.json  | 592 +++++++++++++++++
 ...Model-BillingSubscriptionSplitRequest.json |  70 ++
 ...odel-BillingSubscriptionStatusDetails.json |  32 +
 .../Model-CancelSubscriptionRequest.json      |  31 +
 ...-EnrollmentAccountSubscriptionDetails.json |  32 +
 ...eBillingSubscriptionEligibilityResult.json |  31 +
 ...l-MoveBillingSubscriptionErrorDetails.json |  44 ++
 .../Model-MoveBillingSubscriptionRequest.json |  31 +
 .../Model-NextBillingCycleDetails.json        |  18 +
 .../Model-RenewalTermDetails.json             |  97 +++
 .../BillingSubscription/Model-Reseller.json   |  31 +
 .../Model-SystemOverrides.json                |  32 +
 .../Operation-AliasesCreateOrUpdate.json      |  20 +
 .../Operation-AliasesGet.json                 |  14 +
 ...Operation-AliasesListByBillingAccount.json |  88 +++
 .../BillingSubscription/Operation-Cancel.json |  15 +
 .../BillingSubscription/Operation-Delete.json |  11 +
 .../BillingSubscription/Operation-Get.json    |  26 +
 .../Operation-GetByBillingProfile.json        |  26 +
 .../Operation-ListByBillingAccount.json       | 118 ++++
 .../Operation-ListByBillingProfile.json       |  98 +++
 .../Operation-ListByCustomer.json             |  98 +++
 ...ration-ListByCustomerAtBillingAccount.json |  98 +++
 .../Operation-ListByEnrollmentAccount.json    |  78 +++
 .../Operation-ListByInvoiceSection.json       |  98 +++
 .../BillingSubscription/Operation-Merge.json  |  20 +
 .../BillingSubscription/Operation-Move.json   |  20 +
 .../BillingSubscription/Operation-Split.json  |  20 +
 .../BillingSubscription/Operation-Update.json |  19 +
 .../Operation-ValidateMoveEligibility.json    |  19 +
 ...d-BillingAccountBillingSubscriptionId.json |  34 +
 .../ResourceId-BillingAccountId.json          |  25 +
 ...d-BillingProfileBillingSubscriptionId.json |  43 ++
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-BillingProfileId.json          |  34 +
 ...ResourceId-BillingSubscriptionAliasId.json |  34 +
 .../ResourceId-CustomerId.json                |  34 +
 .../ResourceId-EnrollmentAccountId.json       |  34 +
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Customer/Constant-CustomerStatus.json     |  34 +
 .../2024-04-01/Customer/Model-AzurePlan.json  |  44 ++
 .../2024-04-01/Customer/Model-Customer.json   |  83 +++
 .../Customer/Model-CustomerProperties.json    | 117 ++++
 .../2024-04-01/Customer/Model-Reseller.json   |  31 +
 .../2024-04-01/Customer/Operation-Get.json    |  14 +
 .../Operation-GetByBillingAccount.json        |  14 +
 .../Operation-ListByBillingAccount.json       |  88 +++
 .../Operation-ListByBillingProfile.json       |  88 +++
 .../Customer/ResourceId-BillingAccountId.json |  25 +
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../Customer/ResourceId-BillingProfileId.json |  34 +
 .../Customer/ResourceId-CustomerId.json       |  34 +
 .../Department/Model-Department.json          |  83 +++
 .../Model-DepartmentProperties.json           |  57 ++
 .../2024-04-01/Department/Operation-Get.json  |  14 +
 .../Operation-ListByBillingAccount.json       |  68 ++
 .../ResourceId-BillingAccountId.json          |  25 +
 .../Department/ResourceId-DepartmentId.json   |  34 +
 .../Model-EnrollmentAccount.json              |  83 +++
 .../Model-EnrollmentAccountProperties.json    | 137 ++++
 .../EnrollmentAccount/Operation-Get.json      |  14 +
 .../Operation-GetByDepartment.json            |  14 +
 .../Operation-ListByBillingAccount.json       |  78 +++
 .../Operation-ListByDepartment.json           |  78 +++
 .../ResourceId-BillingAccountId.json          |  25 +
 ...ourceId-DepartmentEnrollmentAccountId.json |  43 ++
 .../ResourceId-DepartmentId.json              |  34 +
 .../ResourceId-EnrollmentAccountId.json       |  34 +
 .../Invoice/Constant-DocumentSource.json      |  18 +
 .../Invoice/Constant-FailedPaymentReason.json |  22 +
 .../Invoice/Constant-InvoiceDocumentType.json |  34 +
 .../Invoice/Constant-InvoiceStatus.json       |  30 +
 .../Invoice/Constant-InvoiceType.json         |  22 +
 .../Invoice/Constant-PaymentMethodFamily.json |  38 ++
 .../Invoice/Constant-RefundReasonCode.json    |  30 +
 .../Invoice/Constant-RefundStatus.json        |  34 +
 .../Invoice/Constant-SpecialTaxationType.json |  14 +
 .../2024-04-01/Invoice/Model-Amount.json      |  31 +
 .../Model-DocumentDownloadRequest.json        |  31 +
 .../Invoice/Model-DocumentDownloadResult.json |  31 +
 .../Invoice/Model-FailedPayment.json          |  32 +
 .../2024-04-01/Invoice/Model-Invoice.json     |  83 +++
 .../Invoice/Model-InvoiceDocument.json        |  87 +++
 .../Invoice/Model-InvoiceProperties.json      | 398 ++++++++++++
 .../2024-04-01/Invoice/Model-Payment.json     |  84 +++
 .../Invoice/Model-RebillDetails.json          |  44 ++
 .../Invoice/Model-RefundDetailsSummary.json   | 138 ++++
 .../2024-04-01/Invoice/Operation-Amend.json   |  11 +
 .../Operation-DownloadByBillingAccount.json   |  28 +
 ...eration-DownloadByBillingSubscription.json |  28 +
 ...ion-DownloadDocumentsByBillingAccount.json |  24 +
 ...ownloadDocumentsByBillingSubscription.json |  24 +
 ...ation-DownloadSummaryByBillingAccount.json |  16 +
 .../2024-04-01/Invoice/Operation-Get.json     |  14 +
 .../Operation-GetByBillingAccount.json        |  14 +
 .../Operation-GetByBillingSubscription.json   |  14 +
 .../Operation-ListByBillingAccount.json       |  98 +++
 .../Operation-ListByBillingProfile.json       |  98 +++
 .../Operation-ListByBillingSubscription.json  |  98 +++
 .../Invoice/ResourceId-BillingAccountId.json  |  25 +
 .../ResourceId-BillingAccountInvoiceId.json   |  34 +
 .../Invoice/ResourceId-BillingProfileId.json  |  34 +
 .../ResourceId-BillingSubscriptionId.json     |  35 +
 ...sourceId-BillingSubscriptionInvoiceId.json |  44 ++
 .../Invoice/ResourceId-InvoiceId.json         |  35 +
 ...t-DeleteInvoiceSectionEligibilityCode.json |  26 +
 ...DeleteInvoiceSectionEligibilityStatus.json |  14 +
 .../Constant-InvoiceSectionState.json         |  34 +
 ...onstant-InvoiceSectionStateReasonCode.json |  26 +
 .../Constant-ProvisioningState.json           |  30 +
 .../InvoiceSection/Constant-TargetCloud.json  |  26 +
 ...DeleteInvoiceSectionEligibilityDetail.json |  31 +
 ...DeleteInvoiceSectionEligibilityResult.json |  35 +
 .../InvoiceSection/Model-InvoiceSection.json  |  83 +++
 .../Model-InvoiceSectionProperties.json       |  96 +++
 .../Operation-CreateOrUpdate.json             |  20 +
 .../InvoiceSection/Operation-Delete.json      |  11 +
 .../InvoiceSection/Operation-Get.json         |  14 +
 .../Operation-ListByBillingProfile.json       |  88 +++
 .../Operation-ValidateDeleteEligibility.json  |  15 +
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Constant-PaymentMethodFamily.json         |  38 ++
 .../Constant-PaymentMethodStatus.json         |  14 +
 .../PaymentMethods/Model-PaymentMethod.json   |  83 +++
 .../Model-PaymentMethodLink.json              |  83 +++
 .../Model-PaymentMethodLinkProperties.json    | 139 ++++
 .../Model-PaymentMethodLogo.json              |  31 +
 .../Model-PaymentMethodProperties.json        | 139 ++++
 .../Operation-DeleteAtBillingProfile.json     |  11 +
 .../Operation-DeleteByUser.json               |  11 +
 .../Operation-GetByBillingAccount.json        |  14 +
 .../Operation-GetByBillingProfile.json        |  14 +
 .../PaymentMethods/Operation-GetByUser.json   |  14 +
 .../Operation-ListByBillingAccount.json       |  16 +
 .../Operation-ListByBillingProfile.json       |  16 +
 .../PaymentMethods/Operation-ListByUser.json  |  15 +
 .../ResourceId-BillingAccountId.json          |  25 +
 ...ourceId-BillingAccountPaymentMethodId.json |  34 +
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-PaymentMethodId.json           |  25 +
 .../ResourceId-PaymentMethodLinkId.json       |  43 ++
 ...ant-EnrollmentAccountOwnerViewCharges.json |  22 +
 .../Constant-EnrollmentAuthLevelState.json    |  26 +
 ...-EnrollmentDepartmentAdminViewCharges.json |  22 +
 ...t-InvoiceSectionLabelManagementPolicy.json |  18 +
 .../Constant-MarketplacePurchasesPolicy.json  |  26 +
 .../Policy/Constant-PolicyType.json           |  18 +
 .../Policy/Constant-ProvisioningState.json    |  30 +
 .../Constant-ReservationPurchasesPolicy.json  |  22 +
 .../Constant-SavingsPlanPurchasesPolicy.json  |  22 +
 .../Policy/Constant-ViewChargesPolicy.json    |  18 +
 .../Policy/Model-BillingAccountPolicy.json    |  83 +++
 .../Model-BillingAccountPolicyProperties.json |  87 +++
 .../Policy/Model-BillingProfilePolicy.json    |  83 +++
 .../Model-BillingProfilePolicyProperties.json | 113 ++++
 .../Policy/Model-CustomerPolicy.json          |  83 +++
 .../Model-CustomerPolicyProperties.json       |  48 ++
 .../Model-EnterpriseAgreementPolicies.json    |  44 ++
 .../Policy/Model-PolicySummary.json           |  57 ++
 .../Policy/Model-SubscriptionPolicy.json      |  83 +++
 .../Model-SubscriptionPolicyProperties.json   |  35 +
 ...oliciesCreateOrUpdateByBillingAccount.json |  20 +
 ...oliciesCreateOrUpdateByBillingProfile.json |  20 +
 ...tion-PoliciesCreateOrUpdateByCustomer.json |  20 +
 ...ateOrUpdateByCustomerAtBillingAccount.json |  20 +
 ...Operation-PoliciesGetByBillingAccount.json |  15 +
 ...Operation-PoliciesGetByBillingProfile.json |  15 +
 .../Operation-PoliciesGetByCustomer.json      |  15 +
 ...PoliciesGetByCustomerAtBillingAccount.json |  15 +
 .../Operation-PoliciesGetBySubscription.json  |  15 +
 .../Policy/ResourceId-BillingAccountId.json   |  25 +
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../Policy/ResourceId-BillingProfileId.json   |  34 +
 .../Policy/ResourceId-CustomerId.json         |  34 +
 .../Policy/ResourceId-SubscriptionId.json     |  16 +
 .../Product/Constant-AutoRenew.json           |  14 +
 .../Constant-MoveValidationErrorCode.json     |  74 +++
 .../Product/Constant-ProductStatus.json       |  46 ++
 .../2024-04-01/Product/Model-Amount.json      |  31 +
 .../Model-MoveProductEligibilityResult.json   |  31 +
 .../Model-MoveProductErrorDetails.json        |  44 ++
 .../Product/Model-MoveProductRequest.json     |  18 +
 .../2024-04-01/Product/Model-Product.json     |  83 +++
 .../Product/Model-ProductPatch.json           |  83 +++
 .../Product/Model-ProductProperties.json      | 291 +++++++++
 .../2024-04-01/Product/Model-Reseller.json    |  31 +
 .../2024-04-01/Product/Operation-Get.json     |  14 +
 .../Operation-ListByBillingAccount.json       |  78 +++
 .../Operation-ListByBillingProfile.json       |  78 +++
 .../Product/Operation-ListByCustomer.json     |  78 +++
 .../Operation-ListByInvoiceSection.json       |  78 +++
 .../2024-04-01/Product/Operation-Move.json    |  20 +
 .../2024-04-01/Product/Operation-Update.json  |  18 +
 .../Operation-ValidateMoveEligibility.json    |  19 +
 .../Product/ResourceId-BillingAccountId.json  |  25 +
 .../Product/ResourceId-BillingProfileId.json  |  34 +
 .../Product/ResourceId-CustomerId.json        |  34 +
 .../Product/ResourceId-InvoiceSectionId.json  |  43 ++
 .../Product/ResourceId-ProductId.json         |  34 +
 .../Constant-EligibleProductType.json         |  18 +
 .../Constant-InitiatorCustomerType.json       |  14 +
 .../Constant-ProductTransferStatus.json       |  22 +
 .../Constant-ProductType.json                 |  26 +
 .../Constant-SupportedAccountType.json        |  22 +
 .../Constant-TransferStatus.json              |  38 ++
 .../Model-AcceptTransferProperties.json       |  22 +
 .../Model-AcceptTransferRequest.json          |  18 +
 .../Model-DetailedTransferStatus.json         |  83 +++
 .../Model-ProductDetails.json                 |  31 +
 .../Model-RecipientTransferDetails.json       |  83 +++
 .../Model-RecipientTransferProperties.json    | 174 +++++
 .../Model-TransferError.json                  |  31 +
 .../Model-ValidateTransferListResponse.json   |  22 +
 .../Model-ValidateTransferResponse.json       |  18 +
 ...el-ValidateTransferResponseProperties.json |  48 ++
 .../Model-ValidationResultProperties.json     |  44 ++
 .../RecipientTransfers/Operation-Accept.json  |  19 +
 .../RecipientTransfers/Operation-Decline.json |  15 +
 .../RecipientTransfers/Operation-Get.json     |  14 +
 .../RecipientTransfers/Operation-List.json    |  15 +
 .../Operation-Validate.json                   |  19 +
 .../ResourceId-TransferId.json                |  25 +
 .../Constant-AppliedScopeType.json            |  18 +
 .../Constant-InstanceFlexibility.json         |  14 +
 .../Constant-ReservationBillingPlan.json      |  14 +
 .../Constant-ReservationStatusCode.json       |  86 +++
 ...el-ExtendedStatusDefinitionProperties.json |  18 +
 .../2024-04-01/Reservation/Model-Patch.json   |  44 ++
 .../Reservation/Model-PatchProperties.json    |  97 +++
 .../Model-PatchPropertiesRenewProperties.json |  18 +
 .../2024-04-01/Reservation/Model-Price.json   |  31 +
 .../Model-RenewPropertiesResponse.json        |  44 ++
 .../Reservation/Model-Reservation.json        | 122 ++++
 ...del-ReservationAppliedScopeProperties.json |  70 ++
 .../Model-ReservationExtendedStatusInfo.json  |  44 ++
 .../Model-ReservationMergeProperties.json     |  35 +
 .../Model-ReservationProperty.json            | 483 ++++++++++++++
 .../Model-ReservationPropertyUtilization.json |  35 +
 .../Model-ReservationPurchaseRequest.json     |  44 ++
 ...-ReservationPurchaseRequestProperties.json | 179 ++++++
 ...tPropertiesReservedResourceProperties.json |  18 +
 .../Model-ReservationSkuProperty.json         |  18 +
 .../Model-ReservationSplitProperties.json     |  35 +
 .../Model-ReservationSwapProperties.json      |  31 +
 ...odel-ReservationUtilizationAggregates.json |  57 ++
 .../2024-04-01/Reservation/Model-SkuName.json |  18 +
 .../Operation-GetByReservationOrder.json      |  26 +
 .../Operation-UpdateByBillingAccount.json     |  19 +
 .../Reservation/ResourceId-ReservationId.json |  43 ++
 .../Constant-AppliedScopeType.json            |  18 +
 .../Constant-InstanceFlexibility.json         |  14 +
 .../Constant-PaymentStatus.json               |  30 +
 .../Constant-ReservationBillingPlan.json      |  14 +
 .../Constant-ReservationStatusCode.json       |  86 +++
 ...el-ExtendedStatusDefinitionProperties.json |  18 +
 .../ReservationOrder/Model-Price.json         |  31 +
 .../Model-RenewPropertiesResponse.json        |  44 ++
 .../ReservationOrder/Model-Reservation.json   | 122 ++++
 ...del-ReservationAppliedScopeProperties.json |  70 ++
 .../Model-ReservationExtendedStatusInfo.json  |  44 ++
 .../Model-ReservationMergeProperties.json     |  35 +
 .../Model-ReservationOrder.json               |  96 +++
 ...eservationOrderBillingPlanInformation.json |  61 ++
 .../Model-ReservationOrderProperty.json       | 261 ++++++++
 .../Model-ReservationPaymentDetail.json       |  96 +++
 .../Model-ReservationProperty.json            | 483 ++++++++++++++
 .../Model-ReservationPropertyUtilization.json |  35 +
 .../Model-ReservationPurchaseRequest.json     |  44 ++
 ...-ReservationPurchaseRequestProperties.json | 179 ++++++
 ...tPropertiesReservedResourceProperties.json |  18 +
 .../Model-ReservationSkuProperty.json         |  18 +
 .../Model-ReservationSplitProperties.json     |  35 +
 .../Model-ReservationSwapProperties.json      |  31 +
 ...odel-ReservationUtilizationAggregates.json |  57 ++
 .../ReservationOrder/Model-SkuName.json       |  18 +
 .../Operation-GetByBillingAccount.json        |  26 +
 .../ResourceId-ReservationOrderId.json        |  34 +
 .../Constant-AppliedScopeType.json            |  18 +
 .../Constant-InstanceFlexibility.json         |  14 +
 .../Constant-PaymentStatus.json               |  30 +
 .../Constant-ReservationBillingPlan.json      |  14 +
 .../Constant-ReservationStatusCode.json       |  86 +++
 ...el-ExtendedStatusDefinitionProperties.json |  18 +
 .../ReservationOrders/Model-Price.json        |  31 +
 .../Model-RenewPropertiesResponse.json        |  44 ++
 .../ReservationOrders/Model-Reservation.json  | 122 ++++
 ...del-ReservationAppliedScopeProperties.json |  70 ++
 .../Model-ReservationExtendedStatusInfo.json  |  44 ++
 .../Model-ReservationMergeProperties.json     |  35 +
 .../Model-ReservationOrder.json               |  96 +++
 ...eservationOrderBillingPlanInformation.json |  61 ++
 .../Model-ReservationOrderProperty.json       | 261 ++++++++
 .../Model-ReservationPaymentDetail.json       |  96 +++
 .../Model-ReservationProperty.json            | 483 ++++++++++++++
 .../Model-ReservationPropertyUtilization.json |  35 +
 .../Model-ReservationPurchaseRequest.json     |  44 ++
 ...-ReservationPurchaseRequestProperties.json | 179 ++++++
 ...tPropertiesReservedResourceProperties.json |  18 +
 .../Model-ReservationSkuProperty.json         |  18 +
 .../Model-ReservationSplitProperties.json     |  35 +
 .../Model-ReservationSwapProperties.json      |  31 +
 ...odel-ReservationUtilizationAggregates.json |  57 ++
 .../ReservationOrders/Model-SkuName.json      |  18 +
 .../Operation-ListByBillingAccount.json       |  48 ++
 .../ResourceId-BillingAccountId.json          |  25 +
 .../Constant-AppliedScopeType.json            |  18 +
 .../Constant-InstanceFlexibility.json         |  14 +
 .../Constant-ReservationBillingPlan.json      |  14 +
 .../Constant-ReservationStatusCode.json       |  86 +++
 ...el-ExtendedStatusDefinitionProperties.json |  18 +
 .../2024-04-01/Reservations/Model-Price.json  |  31 +
 .../Model-RenewPropertiesResponse.json        |  44 ++
 .../Reservations/Model-Reservation.json       | 122 ++++
 ...del-ReservationAppliedScopeProperties.json |  70 ++
 .../Model-ReservationExtendedStatusInfo.json  |  44 ++
 .../Model-ReservationMergeProperties.json     |  35 +
 .../Model-ReservationProperty.json            | 483 ++++++++++++++
 .../Model-ReservationPropertyUtilization.json |  35 +
 .../Model-ReservationPurchaseRequest.json     |  44 ++
 ...-ReservationPurchaseRequestProperties.json | 179 ++++++
 ...tPropertiesReservedResourceProperties.json |  18 +
 .../Model-ReservationSkuProperty.json         |  18 +
 .../Model-ReservationSplitProperties.json     |  35 +
 .../Model-ReservationSwapProperties.json      |  31 +
 ...odel-ReservationUtilizationAggregates.json |  57 ++
 .../Reservations/Model-SkuName.json           |  18 +
 .../Operation-ListByBillingAccount.json       |  78 +++
 .../Operation-ListByBillingProfile.json       |  78 +++
 .../Operation-ListByReservationOrder.json     |  16 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-ReservationOrderId.json        |  34 +
 .../Constant-AppliedScopeType.json            |  18 +
 .../SavingsPlan/Constant-BillingPlan.json     |  10 +
 .../SavingsPlan/Constant-CommitmentGrain.json |  10 +
 .../Constant-ProvisioningState.json           |  38 ++
 .../SavingsPlan/Constant-SavingsPlanTerm.json |  18 +
 .../Model-AppliedScopeProperties.json         |  70 ++
 .../SavingsPlan/Model-Commitment.json         |  44 ++
 .../SavingsPlan/Model-ExtendedStatusInfo.json |  44 ++
 .../Model-ExtendedStatusInfoProperties.json   |  18 +
 .../SavingsPlan/Model-PurchaseRequest.json    |  31 +
 .../Model-PurchaseRequestProperties.json      | 109 ++++
 .../SavingsPlan/Model-RenewProperties.json    |  18 +
 .../SavingsPlan/Model-SavingsPlanModel.json   |  96 +++
 .../Model-SavingsPlanModelProperties.json     | 334 ++++++++++
 .../Model-SavingsPlanUpdateRequest.json       |  44 ++
 ...el-SavingsPlanUpdateRequestProperties.json |  70 ++
 ...odel-SavingsPlanUpdateValidateRequest.json |  22 +
 ...odel-SavingsPlanValidResponseProperty.json |  44 ++
 .../Model-SavingsPlanValidateResponse.json    |  35 +
 .../2024-04-01/SavingsPlan/Model-Sku.json     |  18 +
 .../SavingsPlan/Model-Utilization.json        |  35 +
 .../Model-UtilizationAggregates.json          |  57 ++
 .../Operation-GetByBillingAccount.json        |  26 +
 .../Operation-ListByBillingAccount.json       |  78 +++
 .../Operation-ListBySavingsPlanOrder.json     |  16 +
 .../Operation-UpdateByBillingAccount.json     |  19 +
 ...ration-ValidateUpdateByBillingAccount.json |  19 +
 .../ResourceId-BillingAccountId.json          |  25 +
 .../SavingsPlan/ResourceId-SavingsPlanId.json |  43 ++
 .../ResourceId-SavingsPlanOrderId.json        |  34 +
 .../Constant-BillingPlan.json                 |  10 +
 .../Constant-PaymentStatus.json               |  30 +
 .../Constant-SavingsPlanTerm.json             |  18 +
 .../Model-BillingPlanInformation.json         |  61 ++
 .../Model-ExtendedStatusInfo.json             |  44 ++
 .../Model-ExtendedStatusInfoProperties.json   |  18 +
 .../SavingsPlanOrder/Model-PaymentDetail.json |  83 +++
 .../SavingsPlanOrder/Model-Price.json         |  31 +
 .../Model-SavingsPlanOrderModel.json          |  96 +++
 ...Model-SavingsPlanOrderModelProperties.json | 206 ++++++
 .../SavingsPlanOrder/Model-Sku.json           |  18 +
 .../Operation-GetByBillingAccount.json        |  26 +
 .../Operation-ListByBillingAccount.json       |  48 ++
 .../ResourceId-BillingAccountId.json          |  25 +
 .../ResourceId-SavingsPlanOrderId.json        |  34 +
 .../Transaction/Constant-CreditType.json      |  26 +
 .../Constant-SpecialTaxationType.json         |  14 +
 .../Transaction/Constant-TransactionKind.json |  18 +
 .../Transaction/Constant-TransactionType.json |  18 +
 .../2024-04-01/Transaction/Model-Amount.json  |  31 +
 .../Model-DocumentDownloadResult.json         |  31 +
 .../Model-RefundTransactionDetails.json       |  44 ++
 .../Transaction/Model-Transaction.json        |  83 +++
 .../Model-TransactionProperties.json          | 515 +++++++++++++++
 .../Transaction/Model-TransactionSummary.json |  83 +++
 ...ration-GetTransactionSummaryByInvoice.json |  37 ++
 .../Operation-ListByBillingProfile.json       | 108 ++++
 .../Transaction/Operation-ListByCustomer.json | 108 ++++
 .../Transaction/Operation-ListByInvoice.json  |  78 +++
 .../Operation-ListByInvoiceSection.json       | 108 ++++
 ...eration-TransactionsDownloadByInvoice.json |  16 +
 .../ResourceId-BillingAccountInvoiceId.json   |  34 +
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-BillingProfileId.json          |  34 +
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../Constant-InitiatorCustomerType.json       |  14 +
 .../Constant-ProductTransferStatus.json       |  22 +
 .../Transfers/Constant-ProductType.json       |  26 +
 .../Transfers/Constant-TransferStatus.json    |  38 ++
 .../Model-DetailedTransferStatus.json         |  83 +++
 .../Model-InitiateTransferProperties.json     |  18 +
 .../Model-InitiateTransferRequest.json        |  18 +
 ...del-PartnerInitiateTransferProperties.json |  31 +
 .../Model-PartnerInitiateTransferRequest.json |  18 +
 .../Model-PartnerTransferDetails.json         |  83 +++
 .../Model-PartnerTransferProperties.json      | 127 ++++
 .../Transfers/Model-TransferDetails.json      |  83 +++
 .../Transfers/Model-TransferError.json        |  31 +
 .../Transfers/Model-TransferProperties.json   |  88 +++
 .../Transfers/Operation-Cancel.json           |  15 +
 .../2024-04-01/Transfers/Operation-Get.json   |  14 +
 .../Transfers/Operation-Initiate.json         |  19 +
 .../2024-04-01/Transfers/Operation-List.json  |  16 +
 .../Operation-PartnerTransfersCancel.json     |  15 +
 .../Operation-PartnerTransfersGet.json        |  14 +
 .../Operation-PartnerTransfersInitiate.json   |  19 +
 .../Operation-PartnerTransfersList.json       |  16 +
 .../ResourceId-BillingProfileCustomerId.json  |  43 ++
 .../ResourceId-CustomerTransferId.json        |  52 ++
 .../ResourceId-InvoiceSectionId.json          |  43 ++
 .../ResourceId-InvoiceSectionTransferId.json  |  52 ++
 681 files changed, 34803 insertions(+)
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-AcceptanceMode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-Category.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Agreement.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-AgreementProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-BillingProfileInfo.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Participant.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-Get.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-AgreementId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ApiVersionDefinition.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-BillingManagementTenantState.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningState.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningTenantState.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenant.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenantProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-CreateOrUpdate.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Delete.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Get.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-AssociatedTenantId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Constant-PaymentMethodFamily.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-Amount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalance.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalanceProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-PaymentOnAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingProfile.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingProfileId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountSubType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AddressValidationStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AgreementType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingAccountStatusReasonCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatusReasonCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingRelationshipType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ExtendedTermOption.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-MarkupStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ProvisioningState.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SpendingLimit.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SupportLevel.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressDetails.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressValidationResponse.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AzurePlan.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountPatch.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-EnrollmentDetails.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-IndirectRelationshipInfo.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-InvoiceSectionWithCreateSubPermission.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTerm.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityDetail.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityResult.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-RegistrationNumber.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TaxIdentifier.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TransitionDetails.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddPaymentTerms.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddressValidate.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-CancelPaymentTerms.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ConfirmTransition.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Get.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-List.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ListInvoiceSectionsByCreateSubscriptionPermission.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Update.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ValidatePaymentTerms.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Constant-AccessDecision.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-BillingPermission.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessResponse.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingProfile.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByCustomer.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByDepartment.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByEnrollmentAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByInvoiceSection.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingProfile.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomer.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomerAtBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByDepartment.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByEnrollmentAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByInvoiceSection.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileCustomerId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-CustomerId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-DepartmentId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-EnrollmentAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-InvoiceSectionId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatusReasonCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingRelationshipType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityStatus.json
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 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimit.json
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 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationStatusCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ExtendedStatusDefinitionProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Price.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-RenewPropertiesResponse.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Reservation.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationAppliedScopeProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationExtendedStatusInfo.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationMergeProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrder.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderBillingPlanInformation.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderProperty.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPaymentDetail.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationProperty.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPropertyUtilization.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSkuProperty.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSplitProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSwapProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationUtilizationAggregates.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-SkuName.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-AppliedScopeType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-InstanceFlexibility.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationBillingPlan.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationStatusCode.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ExtendedStatusDefinitionProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Price.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-RenewPropertiesResponse.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Reservation.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationAppliedScopeProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationExtendedStatusInfo.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationMergeProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationProperty.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPropertyUtilization.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSkuProperty.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSplitProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSwapProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationUtilizationAggregates.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-SkuName.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingProfile.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByReservationOrder.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingProfileId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-ReservationOrderId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-AppliedScopeType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-BillingPlan.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-CommitmentGrain.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-ProvisioningState.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-SavingsPlanTerm.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-AppliedScopeProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Commitment.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfo.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfoProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequestProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-RenewProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModel.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModelProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequestProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateValidateRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidResponseProperty.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidateResponse.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Sku.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Utilization.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-UtilizationAggregates.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-GetByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListBySavingsPlanOrder.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-UpdateByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ValidateUpdateByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanOrderId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-BillingPlan.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-PaymentStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-SavingsPlanTerm.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-BillingPlanInformation.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfo.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfoProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-PaymentDetail.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Price.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModel.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModelProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Sku.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-GetByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-ListByBillingAccount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-BillingAccountId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-SavingsPlanOrderId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-CreditType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-SpecialTaxationType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionKind.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Amount.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-DocumentDownloadResult.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-RefundTransactionDetails.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Transaction.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionSummary.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-GetTransactionSummaryByInvoice.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByBillingProfile.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByCustomer.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoice.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoiceSection.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-TransactionsDownloadByInvoice.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingAccountInvoiceId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileCustomerId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-InvoiceSectionId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-InitiatorCustomerType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductTransferStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductType.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-TransferStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-DetailedTransferStatus.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferRequest.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferDetails.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferDetails.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferError.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferProperties.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Cancel.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Get.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Initiate.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-List.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersCancel.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersGet.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersInitiate.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersList.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-BillingProfileCustomerId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-CustomerTransferId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionId.json
 create mode 100644 api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionTransferId.json

diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-AcceptanceMode.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-AcceptanceMode.json
new file mode 100644
index 00000000000..72059f10bbe
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-AcceptanceMode.json
@@ -0,0 +1,34 @@
+{
+  "name": "AcceptanceMode",
+  "type": "String",
+  "values": [
+    {
+      "key": "ClickToAccept",
+      "value": "ClickToAccept"
+    },
+    {
+      "key": "ESignEmbedded",
+      "value": "ESignEmbedded"
+    },
+    {
+      "key": "ESignOffline",
+      "value": "ESignOffline"
+    },
+    {
+      "key": "Implicit",
+      "value": "Implicit"
+    },
+    {
+      "key": "Offline",
+      "value": "Offline"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PhysicalSign",
+      "value": "PhysicalSign"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-Category.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-Category.json
new file mode 100644
index 00000000000..d22929abdc5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Constant-Category.json
@@ -0,0 +1,30 @@
+{
+  "name": "Category",
+  "type": "String",
+  "values": [
+    {
+      "key": "AffiliatePurchaseTerms",
+      "value": "AffiliatePurchaseTerms"
+    },
+    {
+      "key": "IndirectForGovernmentAgreement",
+      "value": "IndirectForGovernmentAgreement"
+    },
+    {
+      "key": "MicrosoftCustomerAgreement",
+      "value": "MicrosoftCustomerAgreement"
+    },
+    {
+      "key": "MicrosoftPartnerAgreement",
+      "value": "MicrosoftPartnerAgreement"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "UKCloudComputeFramework",
+      "value": "UKCloudComputeFramework"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Agreement.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Agreement.json
new file mode 100644
index 00000000000..e1dd7a36575
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Agreement.json
@@ -0,0 +1,83 @@
+{
+  "name": "Agreement",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AgreementProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-AgreementProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-AgreementProperties.json
new file mode 100644
index 00000000000..3f6fe332c73
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-AgreementProperties.json
@@ -0,0 +1,145 @@
+{
+  "name": "AgreementProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "acceptanceMode",
+      "name": "AcceptanceMode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AcceptanceMode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "agreementLink",
+      "name": "AgreementLink",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileInfo",
+      "name": "BillingProfileInfo",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "BillingProfileInfo"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "category",
+      "name": "Category",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Category"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDate",
+      "name": "EffectiveDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expirationDate",
+      "name": "ExpirationDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "leadBillingAccountName",
+      "name": "LeadBillingAccountName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "participants",
+      "name": "Participants",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "Participant"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-BillingProfileInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-BillingProfileInfo.json
new file mode 100644
index 00000000000..3db9c51b34e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-BillingProfileInfo.json
@@ -0,0 +1,70 @@
+{
+  "name": "BillingProfileInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileSystemId",
+      "name": "BillingProfileSystemId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "indirectRelationshipOrganizationName",
+      "name": "IndirectRelationshipOrganizationName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Participant.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Participant.json
new file mode 100644
index 00000000000..09faccbeca1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Model-Participant.json
@@ -0,0 +1,45 @@
+{
+  "name": "Participant",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "email",
+      "name": "Email",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "statusDate",
+      "name": "StatusDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-Get.json
new file mode 100644
index 00000000000..23cdc47546f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "AgreementId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Agreement"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..8b81a08748f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/Operation-ListByBillingAccount.json
@@ -0,0 +1,28 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Agreement"
+  },
+  "uriSuffix": "/agreements"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-AgreementId.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-AgreementId.json
new file mode 100644
index 00000000000..af23e53d022
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-AgreementId.json
@@ -0,0 +1,34 @@
+{
+  "name": "AgreementId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/agreements/{agreementName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticAgreements",
+      "type": "Static",
+      "value": "agreements"
+    },
+    {
+      "name": "agreementName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Agreement/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ApiVersionDefinition.json b/api-definitions/resource-manager/Billing/2024-04-01/ApiVersionDefinition.json
new file mode 100644
index 00000000000..257dfe8102e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ApiVersionDefinition.json
@@ -0,0 +1,36 @@
+{
+  "apiVersion": "2024-04-01",
+  "isPreview": false,
+  "generate": true,
+  "resources": [
+    "Agreement",
+    "AssociatedTenant",
+    "AvailableBalance",
+    "BillingAccount",
+    "BillingPermission",
+    "BillingProfile",
+    "BillingProperty",
+    "BillingRequest",
+    "BillingRoleAssignment",
+    "BillingRoleDefinition",
+    "BillingSubscription",
+    "Customer",
+    "Department",
+    "EnrollmentAccount",
+    "Invoice",
+    "InvoiceSection",
+    "PaymentMethods",
+    "Policy",
+    "Product",
+    "RecipientTransfers",
+    "Reservation",
+    "ReservationOrder",
+    "ReservationOrders",
+    "Reservations",
+    "SavingsPlan",
+    "SavingsPlanOrder",
+    "Transaction",
+    "Transfers"
+  ],
+  "source": "Azure/azure-rest-api-specs"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-BillingManagementTenantState.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-BillingManagementTenantState.json
new file mode 100644
index 00000000000..be7f21eebc7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-BillingManagementTenantState.json
@@ -0,0 +1,22 @@
+{
+  "name": "BillingManagementTenantState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Revoked",
+      "value": "Revoked"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningTenantState.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningTenantState.json
new file mode 100644
index 00000000000..659208d8944
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Constant-ProvisioningTenantState.json
@@ -0,0 +1,34 @@
+{
+  "name": "ProvisioningTenantState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "BillingRequestDeclined",
+      "value": "BillingRequestDeclined"
+    },
+    {
+      "key": "BillingRequestExpired",
+      "value": "BillingRequestExpired"
+    },
+    {
+      "key": "NotRequested",
+      "value": "NotRequested"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Revoked",
+      "value": "Revoked"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenant.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenant.json
new file mode 100644
index 00000000000..1df9f23078b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenant.json
@@ -0,0 +1,83 @@
+{
+  "name": "AssociatedTenant",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AssociatedTenantProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenantProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenantProperties.json
new file mode 100644
index 00000000000..fe7092e83ac
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Model-AssociatedTenantProperties.json
@@ -0,0 +1,83 @@
+{
+  "name": "AssociatedTenantProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingManagementState",
+      "name": "BillingManagementState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingManagementTenantState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningBillingRequestId",
+      "name": "ProvisioningBillingRequestId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningManagementState",
+      "name": "ProvisioningManagementState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningTenantState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-CreateOrUpdate.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-CreateOrUpdate.json
new file mode 100644
index 00000000000..37ff890a626
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-CreateOrUpdate.json
@@ -0,0 +1,19 @@
+{
+  "name": "CreateOrUpdate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "AssociatedTenantId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "AssociatedTenant"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "AssociatedTenant"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Delete.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Delete.json
new file mode 100644
index 00000000000..5fa5d0508d5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Delete.json
@@ -0,0 +1,11 @@
+{
+  "name": "Delete",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202,
+    204
+  ],
+  "longRunning": true,
+  "httpMethod": "DELETE",
+  "resourceIdName": "AssociatedTenantId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Get.json
new file mode 100644
index 00000000000..09019e833ef
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "AssociatedTenantId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "AssociatedTenant"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..c527169b5bd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/Operation-ListByBillingAccount.json
@@ -0,0 +1,88 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeRevoked",
+      "required": false,
+      "field": "IncludeRevoked",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "AssociatedTenant"
+  },
+  "uriSuffix": "/associatedTenants"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-AssociatedTenantId.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-AssociatedTenantId.json
new file mode 100644
index 00000000000..34bb887b53a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-AssociatedTenantId.json
@@ -0,0 +1,34 @@
+{
+  "name": "AssociatedTenantId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/associatedTenants/{associatedTenantName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticAssociatedTenants",
+      "type": "Static",
+      "value": "associatedTenants"
+    },
+    {
+      "name": "associatedTenantName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AssociatedTenant/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Constant-PaymentMethodFamily.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Constant-PaymentMethodFamily.json
new file mode 100644
index 00000000000..4d287429026
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Constant-PaymentMethodFamily.json
@@ -0,0 +1,38 @@
+{
+  "name": "PaymentMethodFamily",
+  "type": "String",
+  "values": [
+    {
+      "key": "CheckWire",
+      "value": "CheckWire"
+    },
+    {
+      "key": "CreditCard",
+      "value": "CreditCard"
+    },
+    {
+      "key": "Credits",
+      "value": "Credits"
+    },
+    {
+      "key": "DirectDebit",
+      "value": "DirectDebit"
+    },
+    {
+      "key": "EWallet",
+      "value": "EWallet"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "TaskOrder",
+      "value": "TaskOrder"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-Amount.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-Amount.json
new file mode 100644
index 00000000000..e0b18577397
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-Amount.json
@@ -0,0 +1,31 @@
+{
+  "name": "Amount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalance.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalance.json
new file mode 100644
index 00000000000..d9d7bb5bbfa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalance.json
@@ -0,0 +1,83 @@
+{
+  "name": "AvailableBalance",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AvailableBalanceProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalanceProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalanceProperties.json
new file mode 100644
index 00000000000..9d8ce93aece
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-AvailableBalanceProperties.json
@@ -0,0 +1,48 @@
+{
+  "name": "AvailableBalanceProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentsOnAccount",
+      "name": "PaymentsOnAccount",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PaymentOnAccount"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "totalPaymentsOnAccount",
+      "name": "TotalPaymentsOnAccount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-PaymentOnAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-PaymentOnAccount.json
new file mode 100644
index 00000000000..3e037f63baf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Model-PaymentOnAccount.json
@@ -0,0 +1,97 @@
+{
+  "name": "PaymentOnAccount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "date",
+      "name": "Date",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceId",
+      "name": "InvoiceId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceName",
+      "name": "InvoiceName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodFamily"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..4a3f445aeb4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingAccount.json
@@ -0,0 +1,15 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "AvailableBalance"
+  },
+  "uriSuffix": "/availableBalance/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingProfile.json
new file mode 100644
index 00000000000..dd9e7bb1182
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/Operation-GetByBillingProfile.json
@@ -0,0 +1,15 @@
+{
+  "name": "GetByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "AvailableBalance"
+  },
+  "uriSuffix": "/availableBalance/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/AvailableBalance/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountStatus.json
new file mode 100644
index 00000000000..c43eb5d16f6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountStatus.json
@@ -0,0 +1,50 @@
+{
+  "name": "AccountStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Extended",
+      "value": "Extended"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Terminated",
+      "value": "Terminated"
+    },
+    {
+      "key": "Transferred",
+      "value": "Transferred"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountSubType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountSubType.json
new file mode 100644
index 00000000000..06443e5f592
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountSubType.json
@@ -0,0 +1,26 @@
+{
+  "name": "AccountSubType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Enterprise",
+      "value": "Enterprise"
+    },
+    {
+      "key": "Individual",
+      "value": "Individual"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Professional",
+      "value": "Professional"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountType.json
new file mode 100644
index 00000000000..b7ed2a2426d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AccountType.json
@@ -0,0 +1,42 @@
+{
+  "name": "AccountType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Business",
+      "value": "Business"
+    },
+    {
+      "key": "ClassicPartner",
+      "value": "ClassicPartner"
+    },
+    {
+      "key": "Enterprise",
+      "value": "Enterprise"
+    },
+    {
+      "key": "Individual",
+      "value": "Individual"
+    },
+    {
+      "key": "Internal",
+      "value": "Internal"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Partner",
+      "value": "Partner"
+    },
+    {
+      "key": "Reseller",
+      "value": "Reseller"
+    },
+    {
+      "key": "Tenant",
+      "value": "Tenant"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AddressValidationStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AddressValidationStatus.json
new file mode 100644
index 00000000000..e407352bfef
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AddressValidationStatus.json
@@ -0,0 +1,18 @@
+{
+  "name": "AddressValidationStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Invalid",
+      "value": "Invalid"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Valid",
+      "value": "Valid"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AgreementType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AgreementType.json
new file mode 100644
index 00000000000..9060694644c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-AgreementType.json
@@ -0,0 +1,26 @@
+{
+  "name": "AgreementType",
+  "type": "String",
+  "values": [
+    {
+      "key": "EnterpriseAgreement",
+      "value": "EnterpriseAgreement"
+    },
+    {
+      "key": "MicrosoftCustomerAgreement",
+      "value": "MicrosoftCustomerAgreement"
+    },
+    {
+      "key": "MicrosoftOnlineServicesProgram",
+      "value": "MicrosoftOnlineServicesProgram"
+    },
+    {
+      "key": "MicrosoftPartnerAgreement",
+      "value": "MicrosoftPartnerAgreement"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingAccountStatusReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingAccountStatusReasonCode.json
new file mode 100644
index 00000000000..c66c051d765
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingAccountStatusReasonCode.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingAccountStatusReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "ManuallyTerminated",
+      "value": "ManuallyTerminated"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "TerminateProcessing",
+      "value": "TerminateProcessing"
+    },
+    {
+      "key": "Transferred",
+      "value": "Transferred"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatus.json
new file mode 100644
index 00000000000..c5a40376775
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingProfileStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatusReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatusReasonCode.json
new file mode 100644
index 00000000000..2242109ed40
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingProfileStatusReasonCode.json
@@ -0,0 +1,26 @@
+{
+  "name": "BillingProfileStatusReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "SpendingLimitExpired",
+      "value": "SpendingLimitExpired"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingRelationshipType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingRelationshipType.json
new file mode 100644
index 00000000000..e55598eed67
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-BillingRelationshipType.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingRelationshipType",
+  "type": "String",
+  "values": [
+    {
+      "key": "CSPCustomer",
+      "value": "CSPCustomer"
+    },
+    {
+      "key": "CSPPartner",
+      "value": "CSPPartner"
+    },
+    {
+      "key": "Direct",
+      "value": "Direct"
+    },
+    {
+      "key": "IndirectCustomer",
+      "value": "IndirectCustomer"
+    },
+    {
+      "key": "IndirectPartner",
+      "value": "IndirectPartner"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ExtendedTermOption.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ExtendedTermOption.json
new file mode 100644
index 00000000000..cdb5491d5ae
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ExtendedTermOption.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedTermOption",
+  "type": "String",
+  "values": [
+    {
+      "key": "OptedNegativeIn",
+      "value": "Opted-In"
+    },
+    {
+      "key": "OptedNegativeOut",
+      "value": "Opted-Out"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-MarkupStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-MarkupStatus.json
new file mode 100644
index 00000000000..3022faea8c2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-MarkupStatus.json
@@ -0,0 +1,26 @@
+{
+  "name": "MarkupStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Locked",
+      "value": "Locked"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Preview",
+      "value": "Preview"
+    },
+    {
+      "key": "Published",
+      "value": "Published"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityCode.json
new file mode 100644
index 00000000000..2436cb00559
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityCode.json
@@ -0,0 +1,46 @@
+{
+  "name": "PaymentTermsEligibilityCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "BillingAccountNotFound",
+      "value": "BillingAccountNotFound"
+    },
+    {
+      "key": "InactiveBillingAccount",
+      "value": "InactiveBillingAccount"
+    },
+    {
+      "key": "IneligibleBillingAccountStatus",
+      "value": "IneligibleBillingAccountStatus"
+    },
+    {
+      "key": "InvalidBillingAccountType",
+      "value": "InvalidBillingAccountType"
+    },
+    {
+      "key": "InvalidDateFormat",
+      "value": "InvalidDateFormat"
+    },
+    {
+      "key": "InvalidDateRange",
+      "value": "InvalidDateRange"
+    },
+    {
+      "key": "InvalidTerms",
+      "value": "InvalidTerms"
+    },
+    {
+      "key": "NullOrEmptyPaymentTerms",
+      "value": "NullOrEmptyPaymentTerms"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "OverlappingPaymentTerms",
+      "value": "OverlappingPaymentTerms"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityStatus.json
new file mode 100644
index 00000000000..2f4d051d931
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-PaymentTermsEligibilityStatus.json
@@ -0,0 +1,18 @@
+{
+  "name": "PaymentTermsEligibilityStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Invalid",
+      "value": "Invalid"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Valid",
+      "value": "Valid"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SpendingLimit.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SpendingLimit.json
new file mode 100644
index 00000000000..4f8f59119a6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SpendingLimit.json
@@ -0,0 +1,14 @@
+{
+  "name": "SpendingLimit",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SupportLevel.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SupportLevel.json
new file mode 100644
index 00000000000..e17bfa909da
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-SupportLevel.json
@@ -0,0 +1,22 @@
+{
+  "name": "SupportLevel",
+  "type": "String",
+  "values": [
+    {
+      "key": "Developer",
+      "value": "Developer"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "ProNegativeDirect",
+      "value": "Pro-Direct"
+    },
+    {
+      "key": "Standard",
+      "value": "Standard"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierStatus.json
new file mode 100644
index 00000000000..d7560a5d225
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierStatus.json
@@ -0,0 +1,18 @@
+{
+  "name": "TaxIdentifierStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Invalid",
+      "value": "Invalid"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Valid",
+      "value": "Valid"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierType.json
new file mode 100644
index 00000000000..20e08fea47c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Constant-TaxIdentifierType.json
@@ -0,0 +1,86 @@
+{
+  "name": "TaxIdentifierType",
+  "type": "String",
+  "values": [
+    {
+      "key": "BrazilCcmId",
+      "value": "BrazilCcmId"
+    },
+    {
+      "key": "BrazilCnpjId",
+      "value": "BrazilCnpjId"
+    },
+    {
+      "key": "BrazilCpfId",
+      "value": "BrazilCpfId"
+    },
+    {
+      "key": "CanadianFederalExempt",
+      "value": "CanadianFederalExempt"
+    },
+    {
+      "key": "CanadianProvinceExempt",
+      "value": "CanadianProvinceExempt"
+    },
+    {
+      "key": "ExternalTaxation",
+      "value": "ExternalTaxation"
+    },
+    {
+      "key": "IndiaFederalServiceTaxId",
+      "value": "IndiaFederalServiceTaxId"
+    },
+    {
+      "key": "IndiaFederalTanId",
+      "value": "IndiaFederalTanId"
+    },
+    {
+      "key": "IndiaPanId",
+      "value": "IndiaPanId"
+    },
+    {
+      "key": "IndiaStateCstId",
+      "value": "IndiaStateCstId"
+    },
+    {
+      "key": "IndiaStateGstINId",
+      "value": "IndiaStateGstINId"
+    },
+    {
+      "key": "IndiaStateVatId",
+      "value": "IndiaStateVatId"
+    },
+    {
+      "key": "IntlExempt",
+      "value": "IntlExempt"
+    },
+    {
+      "key": "LoveCode",
+      "value": "LoveCode"
+    },
+    {
+      "key": "MobileBarCode",
+      "value": "MobileBarCode"
+    },
+    {
+      "key": "NationalIdentificationNumber",
+      "value": "NationalIdentificationNumber"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PublicSectorId",
+      "value": "PublicSectorId"
+    },
+    {
+      "key": "USExempt",
+      "value": "USExempt"
+    },
+    {
+      "key": "VatId",
+      "value": "VatId"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressDetails.json
new file mode 100644
index 00000000000..37704e3046e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressDetails.json
@@ -0,0 +1,200 @@
+{
+  "name": "AddressDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine1",
+      "name": "AddressLine1",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine2",
+      "name": "AddressLine2",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine3",
+      "name": "AddressLine3",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "city",
+      "name": "City",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "companyName",
+      "name": "CompanyName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "country",
+      "name": "Country",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "district",
+      "name": "District",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "email",
+      "name": "Email",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "firstName",
+      "name": "FirstName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isValidAddress",
+      "name": "IsValidAddress",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastName",
+      "name": "LastName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "middleName",
+      "name": "MiddleName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "phoneNumber",
+      "name": "PhoneNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "postalCode",
+      "name": "PostalCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "region",
+      "name": "Region",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressValidationResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressValidationResponse.json
new file mode 100644
index 00000000000..3e48f1df8b1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AddressValidationResponse.json
@@ -0,0 +1,48 @@
+{
+  "name": "AddressValidationResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AddressValidationStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "suggestedAddresses",
+      "name": "SuggestedAddresses",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "AddressDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "validationMessage",
+      "name": "ValidationMessage",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AzurePlan.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AzurePlan.json
new file mode 100644
index 00000000000..ad0673e2fcb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-AzurePlan.json
@@ -0,0 +1,44 @@
+{
+  "name": "AzurePlan",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccount.json
new file mode 100644
index 00000000000..d659480a533
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccount.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingAccount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingAccountProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountPatch.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountPatch.json
new file mode 100644
index 00000000000..a241f2c7594
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountPatch.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingAccountPatch",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingAccountProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountProperties.json
new file mode 100644
index 00000000000..47b1e7c7b87
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-BillingAccountProperties.json
@@ -0,0 +1,238 @@
+{
+  "name": "BillingAccountProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountStatus",
+      "name": "AccountStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccountStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountStatusReasonCode",
+      "name": "AccountStatusReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingAccountStatusReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountSubType",
+      "name": "AccountSubType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccountSubType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountType",
+      "name": "AccountType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccountType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "agreementType",
+      "name": "AgreementType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AgreementType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingRelationshipTypes",
+      "name": "BillingRelationshipTypes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "BillingRelationshipType"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentDetails",
+      "name": "EnrollmentDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "hasNoBillingProfiles",
+      "name": "HasNoBillingProfiles",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "hasReadAccess",
+      "name": "HasReadAccess",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "notificationEmailAddress",
+      "name": "NotificationEmailAddress",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "primaryBillingTenantId",
+      "name": "PrimaryBillingTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "qualifications",
+      "name": "Qualifications",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "registrationNumber",
+      "name": "RegistrationNumber",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RegistrationNumber"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "soldTo",
+      "name": "SoldTo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AddressDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "taxIds",
+      "name": "TaxIds",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "TaxIdentifier"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-EnrollmentDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-EnrollmentDetails.json
new file mode 100644
index 00000000000..5231005d320
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-EnrollmentDetails.json
@@ -0,0 +1,202 @@
+{
+  "name": "EnrollmentDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCycle",
+      "name": "BillingCycle",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "channel",
+      "name": "Channel",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "cloud",
+      "name": "Cloud",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "countryCode",
+      "name": "CountryCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedTermOption",
+      "name": "ExtendedTermOption",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedTermOption"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "indirectRelationshipInfo",
+      "name": "IndirectRelationshipInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "IndirectRelationshipInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceRecipient",
+      "name": "InvoiceRecipient",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "language",
+      "name": "Language",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "markupStatus",
+      "name": "MarkupStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "MarkupStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "poNumber",
+      "name": "PoNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "supportCoverage",
+      "name": "SupportCoverage",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "supportLevel",
+      "name": "SupportLevel",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SupportLevel"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-IndirectRelationshipInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-IndirectRelationshipInfo.json
new file mode 100644
index 00000000000..6d0b66f490e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-IndirectRelationshipInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "IndirectRelationshipInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountName",
+      "name": "BillingAccountName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileName",
+      "name": "BillingProfileName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-InvoiceSectionWithCreateSubPermission.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-InvoiceSectionWithCreateSubPermission.json
new file mode 100644
index 00000000000..3f637e9ea76
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-InvoiceSectionWithCreateSubPermission.json
@@ -0,0 +1,139 @@
+{
+  "name": "InvoiceSectionWithCreateSubPermission",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileSpendingLimit",
+      "name": "BillingProfileSpendingLimit",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimit"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileStatus",
+      "name": "BillingProfileStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileStatusReasonCode",
+      "name": "BillingProfileStatusReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileStatusReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileSystemId",
+      "name": "BillingProfileSystemId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enabledAzurePlans",
+      "name": "EnabledAzurePlans",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "AzurePlan"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionSystemId",
+      "name": "InvoiceSectionSystemId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTerm.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTerm.json
new file mode 100644
index 00000000000..eed52add483
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTerm.json
@@ -0,0 +1,59 @@
+{
+  "name": "PaymentTerm",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isDefault",
+      "name": "IsDefault",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityDetail.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityDetail.json
new file mode 100644
index 00000000000..aa0523e3144
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityDetail.json
@@ -0,0 +1,31 @@
+{
+  "name": "PaymentTermsEligibilityDetail",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentTermsEligibilityCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityResult.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityResult.json
new file mode 100644
index 00000000000..719c2f9278f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-PaymentTermsEligibilityResult.json
@@ -0,0 +1,35 @@
+{
+  "name": "PaymentTermsEligibilityResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "eligibilityDetails",
+      "name": "EligibilityDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PaymentTermsEligibilityDetail"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "eligibilityStatus",
+      "name": "EligibilityStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentTermsEligibilityStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-RegistrationNumber.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-RegistrationNumber.json
new file mode 100644
index 00000000000..50212467727
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-RegistrationNumber.json
@@ -0,0 +1,48 @@
+{
+  "name": "RegistrationNumber",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "required",
+      "name": "Required",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TaxIdentifier.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TaxIdentifier.json
new file mode 100644
index 00000000000..0220bf36611
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TaxIdentifier.json
@@ -0,0 +1,70 @@
+{
+  "name": "TaxIdentifier",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "country",
+      "name": "Country",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "scope",
+      "name": "Scope",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TaxIdentifierStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TaxIdentifierType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TransitionDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TransitionDetails.json
new file mode 100644
index 00000000000..d138a466b60
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Model-TransitionDetails.json
@@ -0,0 +1,32 @@
+{
+  "name": "TransitionDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "anniversaryDay",
+      "name": "AnniversaryDay",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "transitionDate",
+      "name": "TransitionDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddPaymentTerms.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddPaymentTerms.json
new file mode 100644
index 00000000000..5ee283c86f9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddPaymentTerms.json
@@ -0,0 +1,24 @@
+{
+  "name": "AddPaymentTerms",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "PaymentTerm"
+    }
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccount"
+  },
+  "uriSuffix": "/addPaymentTerms"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddressValidate.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddressValidate.json
new file mode 100644
index 00000000000..0872dfa5ac0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-AddressValidate.json
@@ -0,0 +1,18 @@
+{
+  "name": "AddressValidate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "AddressDetails"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "AddressValidationResponse"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/validateAddress"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-CancelPaymentTerms.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-CancelPaymentTerms.json
new file mode 100644
index 00000000000..0663ccdfbe2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-CancelPaymentTerms.json
@@ -0,0 +1,20 @@
+{
+  "name": "CancelPaymentTerms",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "DateTime",
+    "referenceName": null
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccount"
+  },
+  "uriSuffix": "/cancelPaymentTerms"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ConfirmTransition.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ConfirmTransition.json
new file mode 100644
index 00000000000..86bad6486a1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ConfirmTransition.json
@@ -0,0 +1,15 @@
+{
+  "name": "ConfirmTransition",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "TransitionDetails"
+  },
+  "uriSuffix": "/confirmTransition"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Get.json
new file mode 100644
index 00000000000..e87a55ad44d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccount"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-List.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-List.json
new file mode 100644
index 00000000000..8cc12712f95
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-List.json
@@ -0,0 +1,137 @@
+{
+  "name": "List",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeAll",
+      "required": false,
+      "field": "IncludeAll",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeAllWithoutBillingProfiles",
+      "required": false,
+      "field": "IncludeAllWithoutBillingProfiles",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includePendingAgreement",
+      "required": false,
+      "field": "IncludePendingAgreement",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeResellee",
+      "required": false,
+      "field": "IncludeResellee",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "legalOwnerOID",
+      "required": false,
+      "field": "LegalOwnerOID",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "legalOwnerTID",
+      "required": false,
+      "field": "LegalOwnerTID",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccount"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/billingAccounts"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ListInvoiceSectionsByCreateSubscriptionPermission.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ListInvoiceSectionsByCreateSubscriptionPermission.json
new file mode 100644
index 00000000000..cbf35729f21
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ListInvoiceSectionsByCreateSubscriptionPermission.json
@@ -0,0 +1,28 @@
+{
+  "name": "ListInvoiceSectionsByCreateSubscriptionPermission",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "InvoiceSectionWithCreateSubPermission"
+  },
+  "uriSuffix": "/listInvoiceSectionsWithCreateSubscriptionPermission"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Update.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Update.json
new file mode 100644
index 00000000000..f3993080348
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-Update.json
@@ -0,0 +1,19 @@
+{
+  "name": "Update",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PATCH",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccountPatch"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccount"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ValidatePaymentTerms.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ValidatePaymentTerms.json
new file mode 100644
index 00000000000..f59c59275ee
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/Operation-ValidatePaymentTerms.json
@@ -0,0 +1,23 @@
+{
+  "name": "ValidatePaymentTerms",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "PaymentTerm"
+    }
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentTermsEligibilityResult"
+  },
+  "uriSuffix": "/validatePaymentTerms"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingAccount/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Constant-AccessDecision.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Constant-AccessDecision.json
new file mode 100644
index 00000000000..906a6b639d4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Constant-AccessDecision.json
@@ -0,0 +1,18 @@
+{
+  "name": "AccessDecision",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-BillingPermission.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-BillingPermission.json
new file mode 100644
index 00000000000..03bfe908dec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-BillingPermission.json
@@ -0,0 +1,39 @@
+{
+  "name": "BillingPermission",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "actions",
+      "name": "Actions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "notActions",
+      "name": "NotActions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessRequest.json
new file mode 100644
index 00000000000..9e2ffe858d6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessRequest.json
@@ -0,0 +1,22 @@
+{
+  "name": "CheckAccessRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "actions",
+      "name": "Actions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessResponse.json
new file mode 100644
index 00000000000..bb2d3b497cc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Model-CheckAccessResponse.json
@@ -0,0 +1,31 @@
+{
+  "name": "CheckAccessResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accessDecision",
+      "name": "AccessDecision",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccessDecision"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "action",
+      "name": "Action",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingAccount.json
new file mode 100644
index 00000000000..44dbf34581f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingAccount.json
@@ -0,0 +1,23 @@
+{
+  "name": "CheckAccessByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CheckAccessRequest"
+  },
+  "responseObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "CheckAccessResponse"
+    }
+  },
+  "uriSuffix": "/checkAccess"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingProfile.json
new file mode 100644
index 00000000000..f88fdf3f77b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByBillingProfile.json
@@ -0,0 +1,23 @@
+{
+  "name": "CheckAccessByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingProfileId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CheckAccessRequest"
+  },
+  "responseObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "CheckAccessResponse"
+    }
+  },
+  "uriSuffix": "/checkAccess"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByCustomer.json
new file mode 100644
index 00000000000..bc8768dd96f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByCustomer.json
@@ -0,0 +1,23 @@
+{
+  "name": "CheckAccessByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingProfileCustomerId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CheckAccessRequest"
+  },
+  "responseObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "CheckAccessResponse"
+    }
+  },
+  "uriSuffix": "/checkAccess"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByDepartment.json
new file mode 100644
index 00000000000..956791ef4e7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByDepartment.json
@@ -0,0 +1,23 @@
+{
+  "name": "CheckAccessByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "DepartmentId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CheckAccessRequest"
+  },
+  "responseObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "CheckAccessResponse"
+    }
+  },
+  "uriSuffix": "/checkAccess"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByEnrollmentAccount.json
new file mode 100644
index 00000000000..5e092355c1e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByEnrollmentAccount.json
@@ -0,0 +1,23 @@
+{
+  "name": "CheckAccessByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "EnrollmentAccountId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CheckAccessRequest"
+  },
+  "responseObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "CheckAccessResponse"
+    }
+  },
+  "uriSuffix": "/checkAccess"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByInvoiceSection.json
new file mode 100644
index 00000000000..801df01d2a3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-CheckAccessByInvoiceSection.json
@@ -0,0 +1,23 @@
+{
+  "name": "CheckAccessByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "InvoiceSectionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CheckAccessRequest"
+  },
+  "responseObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "CheckAccessResponse"
+    }
+  },
+  "uriSuffix": "/checkAccess"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..632dab20371
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..b8afcffd1d3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByBillingProfile.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..6f29cf09506
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomer.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomerAtBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomerAtBillingAccount.json
new file mode 100644
index 00000000000..7bfb8e35ff0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByCustomerAtBillingAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByCustomerAtBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "CustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByDepartment.json
new file mode 100644
index 00000000000..06f0f35dd20
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByDepartment.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByEnrollmentAccount.json
new file mode 100644
index 00000000000..2641a80ee10
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByEnrollmentAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "EnrollmentAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..fbcea465999
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/Operation-ListByInvoiceSection.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingPermission"
+  },
+  "uriSuffix": "/billingPermissions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-CustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-CustomerId.json
new file mode 100644
index 00000000000..236dcecf27d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-CustomerId.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-DepartmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-DepartmentId.json
new file mode 100644
index 00000000000..f6da0e8a764
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-DepartmentId.json
@@ -0,0 +1,34 @@
+{
+  "name": "DepartmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-EnrollmentAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-EnrollmentAccountId.json
new file mode 100644
index 00000000000..19764041ca7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-EnrollmentAccountId.json
@@ -0,0 +1,34 @@
+{
+  "name": "EnrollmentAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingPermission/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatus.json
new file mode 100644
index 00000000000..c5a40376775
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingProfileStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatusReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatusReasonCode.json
new file mode 100644
index 00000000000..2242109ed40
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingProfileStatusReasonCode.json
@@ -0,0 +1,26 @@
+{
+  "name": "BillingProfileStatusReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "SpendingLimitExpired",
+      "value": "SpendingLimitExpired"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingRelationshipType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingRelationshipType.json
new file mode 100644
index 00000000000..e55598eed67
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-BillingRelationshipType.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingRelationshipType",
+  "type": "String",
+  "values": [
+    {
+      "key": "CSPCustomer",
+      "value": "CSPCustomer"
+    },
+    {
+      "key": "CSPPartner",
+      "value": "CSPPartner"
+    },
+    {
+      "key": "Direct",
+      "value": "Direct"
+    },
+    {
+      "key": "IndirectCustomer",
+      "value": "IndirectCustomer"
+    },
+    {
+      "key": "IndirectPartner",
+      "value": "IndirectPartner"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityCode.json
new file mode 100644
index 00000000000..e19ff27ee0a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityCode.json
@@ -0,0 +1,42 @@
+{
+  "name": "DeleteBillingProfileEligibilityCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "ActiveBillingSubscriptions",
+      "value": "ActiveBillingSubscriptions"
+    },
+    {
+      "key": "ActiveCreditCard",
+      "value": "ActiveCreditCard"
+    },
+    {
+      "key": "ActiveCredits",
+      "value": "ActiveCredits"
+    },
+    {
+      "key": "LastBillingProfile",
+      "value": "LastBillingProfile"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "NotSupported",
+      "value": "NotSupported"
+    },
+    {
+      "key": "OutstandingCharges",
+      "value": "OutstandingCharges"
+    },
+    {
+      "key": "PendingCharges",
+      "value": "PendingCharges"
+    },
+    {
+      "key": "ReservedInstances",
+      "value": "ReservedInstances"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityStatus.json
new file mode 100644
index 00000000000..390133f530a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-DeleteBillingProfileEligibilityStatus.json
@@ -0,0 +1,14 @@
+{
+  "name": "DeleteBillingProfileEligibilityStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimit.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimit.json
new file mode 100644
index 00000000000..4f8f59119a6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimit.json
@@ -0,0 +1,14 @@
+{
+  "name": "SpendingLimit",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimitStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimitStatus.json
new file mode 100644
index 00000000000..385a5e01545
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimitStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "SpendingLimitStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "LimitReached",
+      "value": "LimitReached"
+    },
+    {
+      "key": "LimitRemoved",
+      "value": "LimitRemoved"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimitType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimitType.json
new file mode 100644
index 00000000000..24c8e960baf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-SpendingLimitType.json
@@ -0,0 +1,66 @@
+{
+  "name": "SpendingLimitType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AcademicSponsorship",
+      "value": "AcademicSponsorship"
+    },
+    {
+      "key": "AzureConsumptionCredit",
+      "value": "AzureConsumptionCredit"
+    },
+    {
+      "key": "AzureForStudents",
+      "value": "AzureForStudents"
+    },
+    {
+      "key": "AzureForStudentsStarter",
+      "value": "AzureForStudentsStarter"
+    },
+    {
+      "key": "AzurePassSponsorship",
+      "value": "AzurePassSponsorship"
+    },
+    {
+      "key": "FreeAccount",
+      "value": "FreeAccount"
+    },
+    {
+      "key": "MSDN",
+      "value": "MSDN"
+    },
+    {
+      "key": "MpnSponsorship",
+      "value": "MpnSponsorship"
+    },
+    {
+      "key": "NonProfitSponsorship",
+      "value": "NonProfitSponsorship"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Sandbox",
+      "value": "Sandbox"
+    },
+    {
+      "key": "Sponsorship",
+      "value": "Sponsorship"
+    },
+    {
+      "key": "StartupSponsorship",
+      "value": "StartupSponsorship"
+    },
+    {
+      "key": "VisualStudio",
+      "value": "VisualStudio"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-TargetCloud.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-TargetCloud.json
new file mode 100644
index 00000000000..0d146408411
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Constant-TargetCloud.json
@@ -0,0 +1,26 @@
+{
+  "name": "TargetCloud",
+  "type": "String",
+  "values": [
+    {
+      "key": "Internal",
+      "value": "Internal"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "USGov",
+      "value": "USGov"
+    },
+    {
+      "key": "USNat",
+      "value": "USNat"
+    },
+    {
+      "key": "USSec",
+      "value": "USSec"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-AddressDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-AddressDetails.json
new file mode 100644
index 00000000000..37704e3046e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-AddressDetails.json
@@ -0,0 +1,200 @@
+{
+  "name": "AddressDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine1",
+      "name": "AddressLine1",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine2",
+      "name": "AddressLine2",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine3",
+      "name": "AddressLine3",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "city",
+      "name": "City",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "companyName",
+      "name": "CompanyName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "country",
+      "name": "Country",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "district",
+      "name": "District",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "email",
+      "name": "Email",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "firstName",
+      "name": "FirstName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isValidAddress",
+      "name": "IsValidAddress",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastName",
+      "name": "LastName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "middleName",
+      "name": "MiddleName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "phoneNumber",
+      "name": "PhoneNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "postalCode",
+      "name": "PostalCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "region",
+      "name": "Region",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-AzurePlan.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-AzurePlan.json
new file mode 100644
index 00000000000..ad0673e2fcb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-AzurePlan.json
@@ -0,0 +1,44 @@
+{
+  "name": "AzurePlan",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-BillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-BillingProfile.json
new file mode 100644
index 00000000000..ddfafc646c1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-BillingProfile.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingProfile",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-BillingProfileProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-BillingProfileProperties.json
new file mode 100644
index 00000000000..a5e6e1d658f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-BillingProfileProperties.json
@@ -0,0 +1,324 @@
+{
+  "name": "BillingProfileProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billTo",
+      "name": "BillTo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AddressDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingRelationshipType",
+      "name": "BillingRelationshipType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingRelationshipType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currentPaymentTerm",
+      "name": "CurrentPaymentTerm",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentTerm"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enabledAzurePlans",
+      "name": "EnabledAzurePlans",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "AzurePlan"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "hasReadAccess",
+      "name": "HasReadAccess",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "indirectRelationshipInfo",
+      "name": "IndirectRelationshipInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "IndirectRelationshipInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceDay",
+      "name": "InvoiceDay",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceEmailOptIn",
+      "name": "InvoiceEmailOptIn",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceRecipients",
+      "name": "InvoiceRecipients",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "otherPaymentTerms",
+      "name": "OtherPaymentTerms",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PaymentTerm"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "poNumber",
+      "name": "PoNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "shipTo",
+      "name": "ShipTo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AddressDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "soldTo",
+      "name": "SoldTo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AddressDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "spendingLimit",
+      "name": "SpendingLimit",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimit"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "spendingLimitDetails",
+      "name": "SpendingLimitDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "SpendingLimitDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusReasonCode",
+      "name": "StatusReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileStatusReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemId",
+      "name": "SystemId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "targetClouds",
+      "name": "TargetClouds",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "TargetCloud"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-DeleteBillingProfileEligibilityDetail.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-DeleteBillingProfileEligibilityDetail.json
new file mode 100644
index 00000000000..e632a17e34c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-DeleteBillingProfileEligibilityDetail.json
@@ -0,0 +1,31 @@
+{
+  "name": "DeleteBillingProfileEligibilityDetail",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "DeleteBillingProfileEligibilityCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-DeleteBillingProfileEligibilityResult.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-DeleteBillingProfileEligibilityResult.json
new file mode 100644
index 00000000000..e7940a80ee0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-DeleteBillingProfileEligibilityResult.json
@@ -0,0 +1,35 @@
+{
+  "name": "DeleteBillingProfileEligibilityResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "eligibilityDetails",
+      "name": "EligibilityDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "DeleteBillingProfileEligibilityDetail"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "eligibilityStatus",
+      "name": "EligibilityStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "DeleteBillingProfileEligibilityStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-IndirectRelationshipInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-IndirectRelationshipInfo.json
new file mode 100644
index 00000000000..6d0b66f490e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-IndirectRelationshipInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "IndirectRelationshipInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountName",
+      "name": "BillingAccountName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileName",
+      "name": "BillingProfileName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-PaymentTerm.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-PaymentTerm.json
new file mode 100644
index 00000000000..eed52add483
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-PaymentTerm.json
@@ -0,0 +1,59 @@
+{
+  "name": "PaymentTerm",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isDefault",
+      "name": "IsDefault",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-SpendingLimitDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-SpendingLimitDetails.json
new file mode 100644
index 00000000000..caffdcab80f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Model-SpendingLimitDetails.json
@@ -0,0 +1,85 @@
+{
+  "name": "SpendingLimitDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimitStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimitType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-CreateOrUpdate.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-CreateOrUpdate.json
new file mode 100644
index 00000000000..e735e19b84c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-CreateOrUpdate.json
@@ -0,0 +1,20 @@
+{
+  "name": "CreateOrUpdate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingProfileId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfile"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfile"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-Delete.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-Delete.json
new file mode 100644
index 00000000000..c158cb1268c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-Delete.json
@@ -0,0 +1,11 @@
+{
+  "name": "Delete",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202,
+    204
+  ],
+  "longRunning": true,
+  "httpMethod": "DELETE",
+  "resourceIdName": "BillingProfileId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-Get.json
new file mode 100644
index 00000000000..9f2161f2c09
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfile"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..a8e221b82c9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-ListByBillingAccount.json
@@ -0,0 +1,88 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfile"
+  },
+  "uriSuffix": "/billingProfiles"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-ValidateDeleteEligibility.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-ValidateDeleteEligibility.json
new file mode 100644
index 00000000000..a8c3277958f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/Operation-ValidateDeleteEligibility.json
@@ -0,0 +1,15 @@
+{
+  "name": "ValidateDeleteEligibility",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DeleteBillingProfileEligibilityResult"
+  },
+  "uriSuffix": "/validateDeleteEligibility"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProfile/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountStatus.json
new file mode 100644
index 00000000000..c43eb5d16f6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountStatus.json
@@ -0,0 +1,50 @@
+{
+  "name": "AccountStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Extended",
+      "value": "Extended"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Terminated",
+      "value": "Terminated"
+    },
+    {
+      "key": "Transferred",
+      "value": "Transferred"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountSubType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountSubType.json
new file mode 100644
index 00000000000..06443e5f592
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountSubType.json
@@ -0,0 +1,26 @@
+{
+  "name": "AccountSubType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Enterprise",
+      "value": "Enterprise"
+    },
+    {
+      "key": "Individual",
+      "value": "Individual"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Professional",
+      "value": "Professional"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountType.json
new file mode 100644
index 00000000000..b7ed2a2426d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AccountType.json
@@ -0,0 +1,42 @@
+{
+  "name": "AccountType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Business",
+      "value": "Business"
+    },
+    {
+      "key": "ClassicPartner",
+      "value": "ClassicPartner"
+    },
+    {
+      "key": "Enterprise",
+      "value": "Enterprise"
+    },
+    {
+      "key": "Individual",
+      "value": "Individual"
+    },
+    {
+      "key": "Internal",
+      "value": "Internal"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Partner",
+      "value": "Partner"
+    },
+    {
+      "key": "Reseller",
+      "value": "Reseller"
+    },
+    {
+      "key": "Tenant",
+      "value": "Tenant"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AgreementType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AgreementType.json
new file mode 100644
index 00000000000..9060694644c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-AgreementType.json
@@ -0,0 +1,26 @@
+{
+  "name": "AgreementType",
+  "type": "String",
+  "values": [
+    {
+      "key": "EnterpriseAgreement",
+      "value": "EnterpriseAgreement"
+    },
+    {
+      "key": "MicrosoftCustomerAgreement",
+      "value": "MicrosoftCustomerAgreement"
+    },
+    {
+      "key": "MicrosoftOnlineServicesProgram",
+      "value": "MicrosoftOnlineServicesProgram"
+    },
+    {
+      "key": "MicrosoftPartnerAgreement",
+      "value": "MicrosoftPartnerAgreement"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingAccountStatusReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingAccountStatusReasonCode.json
new file mode 100644
index 00000000000..c66c051d765
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingAccountStatusReasonCode.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingAccountStatusReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "ManuallyTerminated",
+      "value": "ManuallyTerminated"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "TerminateProcessing",
+      "value": "TerminateProcessing"
+    },
+    {
+      "key": "Transferred",
+      "value": "Transferred"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingProfileStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingProfileStatus.json
new file mode 100644
index 00000000000..c5a40376775
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingProfileStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "BillingProfileStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingProfileStatusReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingProfileStatusReasonCode.json
new file mode 100644
index 00000000000..2242109ed40
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingProfileStatusReasonCode.json
@@ -0,0 +1,26 @@
+{
+  "name": "BillingProfileStatusReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "SpendingLimitExpired",
+      "value": "SpendingLimitExpired"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingSubscriptionStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingSubscriptionStatus.json
new file mode 100644
index 00000000000..f9d8093a86d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-BillingSubscriptionStatus.json
@@ -0,0 +1,54 @@
+{
+  "name": "BillingSubscriptionStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "AutoRenew",
+      "value": "AutoRenew"
+    },
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Expiring",
+      "value": "Expiring"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Suspended",
+      "value": "Suspended"
+    },
+    {
+      "key": "Unknown",
+      "value": "Unknown"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-CustomerStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-CustomerStatus.json
new file mode 100644
index 00000000000..7cecc02b497
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-CustomerStatus.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-InvoiceSectionState.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-InvoiceSectionState.json
new file mode 100644
index 00000000000..1a880108004
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-InvoiceSectionState.json
@@ -0,0 +1,34 @@
+{
+  "name": "InvoiceSectionState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Restricted",
+      "value": "Restricted"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-InvoiceSectionStateReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-InvoiceSectionStateReasonCode.json
new file mode 100644
index 00000000000..9477efde527
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-InvoiceSectionStateReasonCode.json
@@ -0,0 +1,26 @@
+{
+  "name": "InvoiceSectionStateReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "SpendingLimitExpired",
+      "value": "SpendingLimitExpired"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-PaymentMethodFamily.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-PaymentMethodFamily.json
new file mode 100644
index 00000000000..4d287429026
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-PaymentMethodFamily.json
@@ -0,0 +1,38 @@
+{
+  "name": "PaymentMethodFamily",
+  "type": "String",
+  "values": [
+    {
+      "key": "CheckWire",
+      "value": "CheckWire"
+    },
+    {
+      "key": "CreditCard",
+      "value": "CreditCard"
+    },
+    {
+      "key": "Credits",
+      "value": "Credits"
+    },
+    {
+      "key": "DirectDebit",
+      "value": "DirectDebit"
+    },
+    {
+      "key": "EWallet",
+      "value": "EWallet"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "TaskOrder",
+      "value": "TaskOrder"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimit.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimit.json
new file mode 100644
index 00000000000..4f8f59119a6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimit.json
@@ -0,0 +1,14 @@
+{
+  "name": "SpendingLimit",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimitStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimitStatus.json
new file mode 100644
index 00000000000..385a5e01545
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimitStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "SpendingLimitStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "LimitReached",
+      "value": "LimitReached"
+    },
+    {
+      "key": "LimitRemoved",
+      "value": "LimitRemoved"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimitType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimitType.json
new file mode 100644
index 00000000000..24c8e960baf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SpendingLimitType.json
@@ -0,0 +1,66 @@
+{
+  "name": "SpendingLimitType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AcademicSponsorship",
+      "value": "AcademicSponsorship"
+    },
+    {
+      "key": "AzureConsumptionCredit",
+      "value": "AzureConsumptionCredit"
+    },
+    {
+      "key": "AzureForStudents",
+      "value": "AzureForStudents"
+    },
+    {
+      "key": "AzureForStudentsStarter",
+      "value": "AzureForStudentsStarter"
+    },
+    {
+      "key": "AzurePassSponsorship",
+      "value": "AzurePassSponsorship"
+    },
+    {
+      "key": "FreeAccount",
+      "value": "FreeAccount"
+    },
+    {
+      "key": "MSDN",
+      "value": "MSDN"
+    },
+    {
+      "key": "MpnSponsorship",
+      "value": "MpnSponsorship"
+    },
+    {
+      "key": "NonProfitSponsorship",
+      "value": "NonProfitSponsorship"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Sandbox",
+      "value": "Sandbox"
+    },
+    {
+      "key": "Sponsorship",
+      "value": "Sponsorship"
+    },
+    {
+      "key": "StartupSponsorship",
+      "value": "StartupSponsorship"
+    },
+    {
+      "key": "VisualStudio",
+      "value": "VisualStudio"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionBillingType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionBillingType.json
new file mode 100644
index 00000000000..6eac8459b69
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionBillingType.json
@@ -0,0 +1,26 @@
+{
+  "name": "SubscriptionBillingType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Benefit",
+      "value": "Benefit"
+    },
+    {
+      "key": "Free",
+      "value": "Free"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Paid",
+      "value": "Paid"
+    },
+    {
+      "key": "PrePaid",
+      "value": "PrePaid"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionStatusReason.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionStatusReason.json
new file mode 100644
index 00000000000..587b0a2d47d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionStatusReason.json
@@ -0,0 +1,42 @@
+{
+  "name": "SubscriptionStatusReason",
+  "type": "String",
+  "values": [
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "PolicyViolation",
+      "value": "PolicyViolation"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "SuspiciousActivity",
+      "value": "SuspiciousActivity"
+    },
+    {
+      "key": "Transferred",
+      "value": "Transferred"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionWorkloadType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionWorkloadType.json
new file mode 100644
index 00000000000..1b9e26e4c2f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Constant-SubscriptionWorkloadType.json
@@ -0,0 +1,22 @@
+{
+  "name": "SubscriptionWorkloadType",
+  "type": "String",
+  "values": [
+    {
+      "key": "DevTest",
+      "value": "DevTest"
+    },
+    {
+      "key": "Internal",
+      "value": "Internal"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Production",
+      "value": "Production"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-AddressDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-AddressDetails.json
new file mode 100644
index 00000000000..37704e3046e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-AddressDetails.json
@@ -0,0 +1,200 @@
+{
+  "name": "AddressDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine1",
+      "name": "AddressLine1",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine2",
+      "name": "AddressLine2",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "addressLine3",
+      "name": "AddressLine3",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "city",
+      "name": "City",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "companyName",
+      "name": "CompanyName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "country",
+      "name": "Country",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "district",
+      "name": "District",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "email",
+      "name": "Email",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "firstName",
+      "name": "FirstName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isValidAddress",
+      "name": "IsValidAddress",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastName",
+      "name": "LastName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "middleName",
+      "name": "MiddleName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "phoneNumber",
+      "name": "PhoneNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "postalCode",
+      "name": "PostalCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "region",
+      "name": "Region",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingProperty.json
new file mode 100644
index 00000000000..e3bcae2d808
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingProperty.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingPropertyProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingPropertyProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingPropertyProperties.json
new file mode 100644
index 00000000000..6a94152668e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingPropertyProperties.json
@@ -0,0 +1,520 @@
+{
+  "name": "BillingPropertyProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountAdminNotificationEmailAddress",
+      "name": "AccountAdminNotificationEmailAddress",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountAgreementType",
+      "name": "BillingAccountAgreementType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AgreementType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountDisplayName",
+      "name": "BillingAccountDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountSoldToCountry",
+      "name": "BillingAccountSoldToCountry",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountStatus",
+      "name": "BillingAccountStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccountStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountStatusReasonCode",
+      "name": "BillingAccountStatusReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingAccountStatusReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountSubType",
+      "name": "BillingAccountSubType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccountSubType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountType",
+      "name": "BillingAccountType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AccountType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrency",
+      "name": "BillingCurrency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfilePaymentMethodFamily",
+      "name": "BillingProfilePaymentMethodFamily",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodFamily"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfilePaymentMethodType",
+      "name": "BillingProfilePaymentMethodType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileSpendingLimit",
+      "name": "BillingProfileSpendingLimit",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimit"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileSpendingLimitDetails",
+      "name": "BillingProfileSpendingLimitDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "SpendingLimitDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileStatus",
+      "name": "BillingProfileStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileStatusReasonCode",
+      "name": "BillingProfileStatusReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfileStatusReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingTenantId",
+      "name": "BillingTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "costCenter",
+      "name": "CostCenter",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerStatus",
+      "name": "CustomerStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CustomerStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentDetails",
+      "name": "EnrollmentDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionEnrollmentDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionStatus",
+      "name": "InvoiceSectionStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceSectionState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionStatusReasonCode",
+      "name": "InvoiceSectionStatusReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceSectionStateReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isAccountAdmin",
+      "name": "IsAccountAdmin",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isTransitionedBillingAccount",
+      "name": "IsTransitionedBillingAccount",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productName",
+      "name": "ProductName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionBillingStatus",
+      "name": "SubscriptionBillingStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionBillingStatusDetails",
+      "name": "SubscriptionBillingStatusDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "BillingSubscriptionStatusDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionBillingType",
+      "name": "SubscriptionBillingType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionBillingType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionServiceUsageAddress",
+      "name": "SubscriptionServiceUsageAddress",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AddressDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionWorkloadType",
+      "name": "SubscriptionWorkloadType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionWorkloadType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingSubscriptionStatusDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingSubscriptionStatusDetails.json
new file mode 100644
index 00000000000..fe0e67dee11
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-BillingSubscriptionStatusDetails.json
@@ -0,0 +1,32 @@
+{
+  "name": "BillingSubscriptionStatusDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDate",
+      "name": "EffectiveDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reason",
+      "name": "Reason",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionStatusReason"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-SpendingLimitDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-SpendingLimitDetails.json
new file mode 100644
index 00000000000..caffdcab80f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-SpendingLimitDetails.json
@@ -0,0 +1,85 @@
+{
+  "name": "SpendingLimitDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimitStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpendingLimitType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-SubscriptionEnrollmentDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-SubscriptionEnrollmentDetails.json
new file mode 100644
index 00000000000..0dd5929d836
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Model-SubscriptionEnrollmentDetails.json
@@ -0,0 +1,70 @@
+{
+  "name": "SubscriptionEnrollmentDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "departmentDisplayName",
+      "name": "DepartmentDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "departmentId",
+      "name": "DepartmentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountDisplayName",
+      "name": "EnrollmentAccountDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountId",
+      "name": "EnrollmentAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountStatus",
+      "name": "EnrollmentAccountStatus",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Operation-Get.json
new file mode 100644
index 00000000000..ac32f3f0ccd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Operation-Get.json
@@ -0,0 +1,37 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "includeBillingCountry",
+      "required": false,
+      "field": "IncludeBillingCountry",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeTransitionStatus",
+      "required": false,
+      "field": "IncludeTransitionStatus",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "SubscriptionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProperty"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/billingProperty/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Operation-Update.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Operation-Update.json
new file mode 100644
index 00000000000..9c400658d5b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/Operation-Update.json
@@ -0,0 +1,19 @@
+{
+  "name": "Update",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "PATCH",
+  "resourceIdName": "SubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingProperty"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProperty"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/billingProperty/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/ResourceId-SubscriptionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/ResourceId-SubscriptionId.json
new file mode 100644
index 00000000000..25706667298
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingProperty/ResourceId-SubscriptionId.json
@@ -0,0 +1,16 @@
+{
+  "name": "SubscriptionId",
+  "commonAlias": "Subscription",
+  "id": "/subscriptions/{subscriptionId}",
+  "segments": [
+    {
+      "name": "subscriptions",
+      "type": "Static",
+      "value": "subscriptions"
+    },
+    {
+      "name": "subscriptionId",
+      "type": "SubscriptionId"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-BillingRequestStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-BillingRequestStatus.json
new file mode 100644
index 00000000000..51c57e030a9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-BillingRequestStatus.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingRequestStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Approved",
+      "value": "Approved"
+    },
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Declined",
+      "value": "Declined"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-BillingRequestType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-BillingRequestType.json
new file mode 100644
index 00000000000..3ded358fcdc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-BillingRequestType.json
@@ -0,0 +1,26 @@
+{
+  "name": "BillingRequestType",
+  "type": "String",
+  "values": [
+    {
+      "key": "InvoiceAccess",
+      "value": "InvoiceAccess"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "ProvisioningAccess",
+      "value": "ProvisioningAccess"
+    },
+    {
+      "key": "RoleAssignment",
+      "value": "RoleAssignment"
+    },
+    {
+      "key": "UpdateBillingPolicy",
+      "value": "UpdateBillingPolicy"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-BillingRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-BillingRequest.json
new file mode 100644
index 00000000000..57dd3f8d532
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-BillingRequest.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-BillingRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-BillingRequestProperties.json
new file mode 100644
index 00000000000..563211c5d1b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-BillingRequestProperties.json
@@ -0,0 +1,433 @@
+{
+  "name": "BillingRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "additionalInformation",
+      "name": "AdditionalInformation",
+      "objectDefinition": {
+        "type": "Dictionary",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountDisplayName",
+      "name": "BillingAccountDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountName",
+      "name": "BillingAccountName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountPrimaryBillingTenantId",
+      "name": "BillingAccountPrimaryBillingTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileName",
+      "name": "BillingProfileName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScope",
+      "name": "BillingScope",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "createdBy",
+      "name": "CreatedBy",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Principal"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "creationDate",
+      "name": "CreationDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerName",
+      "name": "CustomerName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "decisionReason",
+      "name": "DecisionReason",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expirationDate",
+      "name": "ExpirationDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionName",
+      "name": "InvoiceSectionName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "justification",
+      "name": "Justification",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastUpdatedBy",
+      "name": "LastUpdatedBy",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Principal"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "lastUpdatedDate",
+      "name": "LastUpdatedDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "recipients",
+      "name": "Recipients",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "Principal"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "requestScope",
+      "name": "RequestScope",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewalDate",
+      "name": "ReviewalDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reviewedBy",
+      "name": "ReviewedBy",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Principal"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingRequestStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionDisplayName",
+      "name": "SubscriptionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionName",
+      "name": "SubscriptionName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingRequestType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-Principal.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-Principal.json
new file mode 100644
index 00000000000..773a7504bfa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Model-Principal.json
@@ -0,0 +1,44 @@
+{
+  "name": "Principal",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "objectId",
+      "name": "ObjectId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "upn",
+      "name": "Upn",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-CreateOrUpdate.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-CreateOrUpdate.json
new file mode 100644
index 00000000000..68a5fdcc57a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-CreateOrUpdate.json
@@ -0,0 +1,19 @@
+{
+  "name": "CreateOrUpdate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingRequestId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-Get.json
new file mode 100644
index 00000000000..f59bced4804
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingRequestId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..31ca56a4e27
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByBillingAccount.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  },
+  "uriSuffix": "/billingRequests"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..867d2f1152e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByBillingProfile.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  },
+  "uriSuffix": "/billingRequests"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..62c45f43f58
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByCustomer.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  },
+  "uriSuffix": "/billingRequests"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..16e4e3e2b0f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByInvoiceSection.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  },
+  "uriSuffix": "/billingRequests"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByUser.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByUser.json
new file mode 100644
index 00000000000..84fc6d6e5ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/Operation-ListByUser.json
@@ -0,0 +1,77 @@
+{
+  "name": "ListByUser",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRequest"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/billingRequests"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingRequestId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingRequestId.json
new file mode 100644
index 00000000000..5c9f2635e09
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-BillingRequestId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingRequestId",
+  "id": "/providers/Microsoft.Billing/billingRequests/{billingRequestName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingRequests",
+      "type": "Static",
+      "value": "billingRequests"
+    },
+    {
+      "name": "billingRequestName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRequest/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Constant-PrincipalType.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Constant-PrincipalType.json
new file mode 100644
index 00000000000..7a703767835
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Constant-PrincipalType.json
@@ -0,0 +1,34 @@
+{
+  "name": "PrincipalType",
+  "type": "String",
+  "values": [
+    {
+      "key": "DirectoryRole",
+      "value": "DirectoryRole"
+    },
+    {
+      "key": "Everyone",
+      "value": "Everyone"
+    },
+    {
+      "key": "Group",
+      "value": "Group"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "ServicePrincipal",
+      "value": "ServicePrincipal"
+    },
+    {
+      "key": "Unknown",
+      "value": "Unknown"
+    },
+    {
+      "key": "User",
+      "value": "User"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Model-BillingRoleAssignment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Model-BillingRoleAssignment.json
new file mode 100644
index 00000000000..932007052be
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Model-BillingRoleAssignment.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingRoleAssignment",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingRoleAssignmentProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Model-BillingRoleAssignmentProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Model-BillingRoleAssignmentProperties.json
new file mode 100644
index 00000000000..511b9d283e0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Model-BillingRoleAssignmentProperties.json
@@ -0,0 +1,397 @@
+{
+  "name": "BillingRoleAssignmentProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountDisplayName",
+      "name": "BillingAccountDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingRequestId",
+      "name": "BillingRequestId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "createdByPrincipalId",
+      "name": "CreatedByPrincipalId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "createdByPrincipalPuid",
+      "name": "CreatedByPrincipalPuid",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "createdByPrincipalTenantId",
+      "name": "CreatedByPrincipalTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "createdByUserEmailAddress",
+      "name": "CreatedByUserEmailAddress",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "createdOn",
+      "name": "CreatedOn",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "modifiedByPrincipalId",
+      "name": "ModifiedByPrincipalId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "modifiedByPrincipalPuid",
+      "name": "ModifiedByPrincipalPuid",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "modifiedByPrincipalTenantId",
+      "name": "ModifiedByPrincipalTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "modifiedByUserEmailAddress",
+      "name": "ModifiedByUserEmailAddress",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "modifiedOn",
+      "name": "ModifiedOn",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "principalDisplayName",
+      "name": "PrincipalDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "principalId",
+      "name": "PrincipalId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "principalPuid",
+      "name": "PrincipalPuid",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "principalTenantId",
+      "name": "PrincipalTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "principalTenantName",
+      "name": "PrincipalTenantName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "principalType",
+      "name": "PrincipalType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PrincipalType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "roleDefinitionId",
+      "name": "RoleDefinitionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "scope",
+      "name": "Scope",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userAuthenticationType",
+      "name": "UserAuthenticationType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userEmailAddress",
+      "name": "UserEmailAddress",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByBillingAccount.json
new file mode 100644
index 00000000000..f1b2b9f1228
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByBillingAccount.json
@@ -0,0 +1,20 @@
+{
+  "name": "CreateByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignmentProperties"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/createBillingRoleAssignment"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByBillingProfile.json
new file mode 100644
index 00000000000..3ae12b73244
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByBillingProfile.json
@@ -0,0 +1,20 @@
+{
+  "name": "CreateByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingProfileId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignmentProperties"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/createBillingRoleAssignment"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByCustomer.json
new file mode 100644
index 00000000000..5fbc9d4befd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByCustomer.json
@@ -0,0 +1,20 @@
+{
+  "name": "CreateByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingProfileCustomerId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignmentProperties"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/createBillingRoleAssignment"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByInvoiceSection.json
new file mode 100644
index 00000000000..94191d8e5fd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateByInvoiceSection.json
@@ -0,0 +1,20 @@
+{
+  "name": "CreateByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "InvoiceSectionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignmentProperties"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/createBillingRoleAssignment"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByBillingAccount.json
new file mode 100644
index 00000000000..27bd5e39e5b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByBillingAccount.json
@@ -0,0 +1,19 @@
+{
+  "name": "CreateOrUpdateByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingRoleAssignmentId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByDepartment.json
new file mode 100644
index 00000000000..0c43a7482e8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByDepartment.json
@@ -0,0 +1,19 @@
+{
+  "name": "CreateOrUpdateByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "DepartmentBillingRoleAssignmentId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByEnrollmentAccount.json
new file mode 100644
index 00000000000..2bb2e4a8f4b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-CreateOrUpdateByEnrollmentAccount.json
@@ -0,0 +1,19 @@
+{
+  "name": "CreateOrUpdateByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "EnrollmentAccountBillingRoleAssignmentId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByBillingAccount.json
new file mode 100644
index 00000000000..74fc56b74eb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByBillingAccount.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "BillingRoleAssignmentId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByBillingProfile.json
new file mode 100644
index 00000000000..0eca324bb32
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByBillingProfile.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "BillingProfileBillingRoleAssignmentId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByCustomer.json
new file mode 100644
index 00000000000..f3cec29bb92
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByCustomer.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "CustomerBillingRoleAssignmentId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByDepartment.json
new file mode 100644
index 00000000000..c58cd4c33f7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByDepartment.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "DepartmentBillingRoleAssignmentId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByEnrollmentAccount.json
new file mode 100644
index 00000000000..20378299040
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByEnrollmentAccount.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "EnrollmentAccountBillingRoleAssignmentId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByInvoiceSection.json
new file mode 100644
index 00000000000..34b9048c62b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-DeleteByInvoiceSection.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "InvoiceSectionBillingRoleAssignmentId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..d15d6924c0a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByBillingAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingRoleAssignmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByBillingProfile.json
new file mode 100644
index 00000000000..a94df07e2a4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByBillingProfile.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileBillingRoleAssignmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByCustomer.json
new file mode 100644
index 00000000000..b882f8c8fbd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByCustomer.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "CustomerBillingRoleAssignmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByDepartment.json
new file mode 100644
index 00000000000..17a9690888b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByDepartment.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentBillingRoleAssignmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByEnrollmentAccount.json
new file mode 100644
index 00000000000..76b3d7dd6df
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByEnrollmentAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "EnrollmentAccountBillingRoleAssignmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByInvoiceSection.json
new file mode 100644
index 00000000000..e931fd23fed
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-GetByInvoiceSection.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionBillingRoleAssignmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..0778e92c8ae
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByBillingAccount.json
@@ -0,0 +1,48 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/billingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..181775b0589
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByBillingProfile.json
@@ -0,0 +1,48 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/billingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..08239ffbaaa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByCustomer.json
@@ -0,0 +1,48 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/billingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByDepartment.json
new file mode 100644
index 00000000000..b72588b4386
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByDepartment.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/billingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByEnrollmentAccount.json
new file mode 100644
index 00000000000..f2b94bd27ea
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByEnrollmentAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "EnrollmentAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/billingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..1b9a658a446
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ListByInvoiceSection.json
@@ -0,0 +1,48 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/billingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByBillingAccount.json
new file mode 100644
index 00000000000..56a77e8e01c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByBillingAccount.json
@@ -0,0 +1,39 @@
+{
+  "name": "ResolveByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": true,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "resolveScopeDisplayNames",
+      "required": false,
+      "field": "ResolveScopeDisplayNames",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/resolveBillingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByBillingProfile.json
new file mode 100644
index 00000000000..093617525b5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByBillingProfile.json
@@ -0,0 +1,39 @@
+{
+  "name": "ResolveByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": true,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "resolveScopeDisplayNames",
+      "required": false,
+      "field": "ResolveScopeDisplayNames",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/resolveBillingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByCustomer.json
new file mode 100644
index 00000000000..3accbf65c0f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByCustomer.json
@@ -0,0 +1,39 @@
+{
+  "name": "ResolveByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": true,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "resolveScopeDisplayNames",
+      "required": false,
+      "field": "ResolveScopeDisplayNames",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/resolveBillingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByInvoiceSection.json
new file mode 100644
index 00000000000..59a5399e5d2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/Operation-ResolveByInvoiceSection.json
@@ -0,0 +1,39 @@
+{
+  "name": "ResolveByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": true,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "resolveScopeDisplayNames",
+      "required": false,
+      "field": "ResolveScopeDisplayNames",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleAssignment"
+  },
+  "uriSuffix": "/resolveBillingRoleAssignments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileBillingRoleAssignmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileBillingRoleAssignmentId.json
new file mode 100644
index 00000000000..2ac93b801f2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileBillingRoleAssignmentId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileBillingRoleAssignmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/billingRoleAssignments/{billingRoleAssignmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleAssignments",
+      "type": "Static",
+      "value": "billingRoleAssignments"
+    },
+    {
+      "name": "billingRoleAssignmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingRoleAssignmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingRoleAssignmentId.json
new file mode 100644
index 00000000000..00581dfe81b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-BillingRoleAssignmentId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingRoleAssignmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingRoleAssignments/{billingRoleAssignmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleAssignments",
+      "type": "Static",
+      "value": "billingRoleAssignments"
+    },
+    {
+      "name": "billingRoleAssignmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-CustomerBillingRoleAssignmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-CustomerBillingRoleAssignmentId.json
new file mode 100644
index 00000000000..5b494497a40
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-CustomerBillingRoleAssignmentId.json
@@ -0,0 +1,52 @@
+{
+  "name": "CustomerBillingRoleAssignmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}/billingRoleAssignments/{billingRoleAssignmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleAssignments",
+      "type": "Static",
+      "value": "billingRoleAssignments"
+    },
+    {
+      "name": "billingRoleAssignmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-DepartmentBillingRoleAssignmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-DepartmentBillingRoleAssignmentId.json
new file mode 100644
index 00000000000..f867c8b0342
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-DepartmentBillingRoleAssignmentId.json
@@ -0,0 +1,43 @@
+{
+  "name": "DepartmentBillingRoleAssignmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}/billingRoleAssignments/{billingRoleAssignmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleAssignments",
+      "type": "Static",
+      "value": "billingRoleAssignments"
+    },
+    {
+      "name": "billingRoleAssignmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-DepartmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-DepartmentId.json
new file mode 100644
index 00000000000..f6da0e8a764
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-DepartmentId.json
@@ -0,0 +1,34 @@
+{
+  "name": "DepartmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-EnrollmentAccountBillingRoleAssignmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-EnrollmentAccountBillingRoleAssignmentId.json
new file mode 100644
index 00000000000..c709ddb2fa0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-EnrollmentAccountBillingRoleAssignmentId.json
@@ -0,0 +1,43 @@
+{
+  "name": "EnrollmentAccountBillingRoleAssignmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}/billingRoleAssignments/{billingRoleAssignmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleAssignments",
+      "type": "Static",
+      "value": "billingRoleAssignments"
+    },
+    {
+      "name": "billingRoleAssignmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-EnrollmentAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-EnrollmentAccountId.json
new file mode 100644
index 00000000000..19764041ca7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-EnrollmentAccountId.json
@@ -0,0 +1,34 @@
+{
+  "name": "EnrollmentAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-InvoiceSectionBillingRoleAssignmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-InvoiceSectionBillingRoleAssignmentId.json
new file mode 100644
index 00000000000..805e0a773c4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-InvoiceSectionBillingRoleAssignmentId.json
@@ -0,0 +1,52 @@
+{
+  "name": "InvoiceSectionBillingRoleAssignmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}/billingRoleAssignments/{billingRoleAssignmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleAssignments",
+      "type": "Static",
+      "value": "billingRoleAssignments"
+    },
+    {
+      "name": "billingRoleAssignmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleAssignment/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingPermission.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingPermission.json
new file mode 100644
index 00000000000..03bfe908dec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingPermission.json
@@ -0,0 +1,39 @@
+{
+  "name": "BillingPermission",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "actions",
+      "name": "Actions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "notActions",
+      "name": "NotActions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingRoleDefinition.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingRoleDefinition.json
new file mode 100644
index 00000000000..71cd188cec6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingRoleDefinition.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingRoleDefinition",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingRoleDefinitionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingRoleDefinitionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingRoleDefinitionProperties.json
new file mode 100644
index 00000000000..1f88cddd076
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Model-BillingRoleDefinitionProperties.json
@@ -0,0 +1,48 @@
+{
+  "name": "BillingRoleDefinitionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "description",
+      "name": "Description",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "permissions",
+      "name": "Permissions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "BillingPermission"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "roleName",
+      "name": "RoleName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..2615f58af3f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByBillingAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingRoleDefinitionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByBillingProfile.json
new file mode 100644
index 00000000000..518557015b5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByBillingProfile.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileBillingRoleDefinitionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByCustomer.json
new file mode 100644
index 00000000000..d4e1cc0946a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByCustomer.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "CustomerBillingRoleDefinitionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByDepartment.json
new file mode 100644
index 00000000000..c2ef5a45656
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByDepartment.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentBillingRoleDefinitionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByEnrollmentAccount.json
new file mode 100644
index 00000000000..3fcd2288027
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByEnrollmentAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "EnrollmentAccountBillingRoleDefinitionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByInvoiceSection.json
new file mode 100644
index 00000000000..b792c98cb47
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-GetByInvoiceSection.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionBillingRoleDefinitionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..a6cf652854c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByBillingAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  },
+  "uriSuffix": "/billingRoleDefinitions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..18969ba4906
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByBillingProfile.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  },
+  "uriSuffix": "/billingRoleDefinitions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..6aa63cdb792
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByCustomer.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  },
+  "uriSuffix": "/billingRoleDefinitions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByDepartment.json
new file mode 100644
index 00000000000..f0267595afd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByDepartment.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  },
+  "uriSuffix": "/billingRoleDefinitions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByEnrollmentAccount.json
new file mode 100644
index 00000000000..eb94ba7390d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByEnrollmentAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "EnrollmentAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  },
+  "uriSuffix": "/billingRoleDefinitions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..e19b1f3259f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/Operation-ListByInvoiceSection.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingRoleDefinition"
+  },
+  "uriSuffix": "/billingRoleDefinitions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileBillingRoleDefinitionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileBillingRoleDefinitionId.json
new file mode 100644
index 00000000000..a8ec244836c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileBillingRoleDefinitionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileBillingRoleDefinitionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/billingRoleDefinitions/{billingRoleDefinitionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleDefinitions",
+      "type": "Static",
+      "value": "billingRoleDefinitions"
+    },
+    {
+      "name": "billingRoleDefinitionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingRoleDefinitionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingRoleDefinitionId.json
new file mode 100644
index 00000000000..fe0664eba17
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-BillingRoleDefinitionId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingRoleDefinitionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingRoleDefinitions/{billingRoleDefinitionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleDefinitions",
+      "type": "Static",
+      "value": "billingRoleDefinitions"
+    },
+    {
+      "name": "billingRoleDefinitionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-CustomerBillingRoleDefinitionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-CustomerBillingRoleDefinitionId.json
new file mode 100644
index 00000000000..15a143cf682
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-CustomerBillingRoleDefinitionId.json
@@ -0,0 +1,52 @@
+{
+  "name": "CustomerBillingRoleDefinitionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}/billingRoleDefinitions/{billingRoleDefinitionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleDefinitions",
+      "type": "Static",
+      "value": "billingRoleDefinitions"
+    },
+    {
+      "name": "billingRoleDefinitionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-DepartmentBillingRoleDefinitionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-DepartmentBillingRoleDefinitionId.json
new file mode 100644
index 00000000000..8cfb5fdab26
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-DepartmentBillingRoleDefinitionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "DepartmentBillingRoleDefinitionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}/billingRoleDefinitions/{billingRoleDefinitionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleDefinitions",
+      "type": "Static",
+      "value": "billingRoleDefinitions"
+    },
+    {
+      "name": "billingRoleDefinitionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-DepartmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-DepartmentId.json
new file mode 100644
index 00000000000..f6da0e8a764
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-DepartmentId.json
@@ -0,0 +1,34 @@
+{
+  "name": "DepartmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-EnrollmentAccountBillingRoleDefinitionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-EnrollmentAccountBillingRoleDefinitionId.json
new file mode 100644
index 00000000000..99137123167
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-EnrollmentAccountBillingRoleDefinitionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "EnrollmentAccountBillingRoleDefinitionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}/billingRoleDefinitions/{billingRoleDefinitionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleDefinitions",
+      "type": "Static",
+      "value": "billingRoleDefinitions"
+    },
+    {
+      "name": "billingRoleDefinitionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-EnrollmentAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-EnrollmentAccountId.json
new file mode 100644
index 00000000000..19764041ca7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-EnrollmentAccountId.json
@@ -0,0 +1,34 @@
+{
+  "name": "EnrollmentAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-InvoiceSectionBillingRoleDefinitionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-InvoiceSectionBillingRoleDefinitionId.json
new file mode 100644
index 00000000000..7a55b578be4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-InvoiceSectionBillingRoleDefinitionId.json
@@ -0,0 +1,52 @@
+{
+  "name": "InvoiceSectionBillingRoleDefinitionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}/billingRoleDefinitions/{billingRoleDefinitionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingRoleDefinitions",
+      "type": "Static",
+      "value": "billingRoleDefinitions"
+    },
+    {
+      "name": "billingRoleDefinitionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingRoleDefinition/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-AutoRenew.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-AutoRenew.json
new file mode 100644
index 00000000000..0fda369ebc6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-AutoRenew.json
@@ -0,0 +1,14 @@
+{
+  "name": "AutoRenew",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-BillingSubscriptionOperationStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-BillingSubscriptionOperationStatus.json
new file mode 100644
index 00000000000..dbd0e925acf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-BillingSubscriptionOperationStatus.json
@@ -0,0 +1,18 @@
+{
+  "name": "BillingSubscriptionOperationStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "LockedForUpdate",
+      "value": "LockedForUpdate"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-BillingSubscriptionStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-BillingSubscriptionStatus.json
new file mode 100644
index 00000000000..f9d8093a86d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-BillingSubscriptionStatus.json
@@ -0,0 +1,54 @@
+{
+  "name": "BillingSubscriptionStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "AutoRenew",
+      "value": "AutoRenew"
+    },
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Expiring",
+      "value": "Expiring"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Suspended",
+      "value": "Suspended"
+    },
+    {
+      "key": "Unknown",
+      "value": "Unknown"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-Cancellation.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-Cancellation.json
new file mode 100644
index 00000000000..3d3eb3b2c7d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-Cancellation.json
@@ -0,0 +1,14 @@
+{
+  "name": "Cancellation",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-CancellationReason.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-CancellationReason.json
new file mode 100644
index 00000000000..12e2d69fa47
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-CancellationReason.json
@@ -0,0 +1,18 @@
+{
+  "name": "CancellationReason",
+  "type": "String",
+  "values": [
+    {
+      "key": "Compromise",
+      "value": "Compromise"
+    },
+    {
+      "key": "Dispute",
+      "value": "Dispute"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionEnrollmentAccountStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionEnrollmentAccountStatus.json
new file mode 100644
index 00000000000..08bf625d58b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionEnrollmentAccountStatus.json
@@ -0,0 +1,34 @@
+{
+  "name": "SubscriptionEnrollmentAccountStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Inactive",
+      "value": "Inactive"
+    },
+    {
+      "key": "TransferredOut",
+      "value": "TransferredOut"
+    },
+    {
+      "key": "Transferring",
+      "value": "Transferring"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionStatusReason.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionStatusReason.json
new file mode 100644
index 00000000000..587b0a2d47d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionStatusReason.json
@@ -0,0 +1,42 @@
+{
+  "name": "SubscriptionStatusReason",
+  "type": "String",
+  "values": [
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "PolicyViolation",
+      "value": "PolicyViolation"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "SuspiciousActivity",
+      "value": "SuspiciousActivity"
+    },
+    {
+      "key": "Transferred",
+      "value": "Transferred"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionTransferValidationErrorCode.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionTransferValidationErrorCode.json
new file mode 100644
index 00000000000..b679ec6df3c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Constant-SubscriptionTransferValidationErrorCode.json
@@ -0,0 +1,118 @@
+{
+  "name": "SubscriptionTransferValidationErrorCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "AccountIsLocked",
+      "value": "AccountIsLocked"
+    },
+    {
+      "key": "AssetHasCap",
+      "value": "AssetHasCap"
+    },
+    {
+      "key": "AssetNotActive",
+      "value": "AssetNotActive"
+    },
+    {
+      "key": "BillingAccountInactive",
+      "value": "BillingAccountInactive"
+    },
+    {
+      "key": "BillingProfilePastDue",
+      "value": "BillingProfilePastDue"
+    },
+    {
+      "key": "CrossBillingAccountNotAllowed",
+      "value": "CrossBillingAccountNotAllowed"
+    },
+    {
+      "key": "DestinationBillingProfileInactive",
+      "value": "DestinationBillingProfileInactive"
+    },
+    {
+      "key": "DestinationBillingProfileNotFound",
+      "value": "DestinationBillingProfileNotFound"
+    },
+    {
+      "key": "DestinationBillingProfilePastDue",
+      "value": "DestinationBillingProfilePastDue"
+    },
+    {
+      "key": "DestinationInvoiceSectionInactive",
+      "value": "DestinationInvoiceSectionInactive"
+    },
+    {
+      "key": "DestinationInvoiceSectionNotFound",
+      "value": "DestinationInvoiceSectionNotFound"
+    },
+    {
+      "key": "InsufficientPermissionOnDestination",
+      "value": "InsufficientPermissionOnDestination"
+    },
+    {
+      "key": "InsufficientPermissionOnSource",
+      "value": "InsufficientPermissionOnSource"
+    },
+    {
+      "key": "InvalidDestination",
+      "value": "InvalidDestination"
+    },
+    {
+      "key": "InvalidSource",
+      "value": "InvalidSource"
+    },
+    {
+      "key": "InvoiceSectionIsRestricted",
+      "value": "InvoiceSectionIsRestricted"
+    },
+    {
+      "key": "MarketplaceNotEnabledOnDestination",
+      "value": "MarketplaceNotEnabledOnDestination"
+    },
+    {
+      "key": "NoActiveAzurePlan",
+      "value": "NoActiveAzurePlan"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "ProductInactive",
+      "value": "ProductInactive"
+    },
+    {
+      "key": "ProductNotFound",
+      "value": "ProductNotFound"
+    },
+    {
+      "key": "ProductTypeNotSupported",
+      "value": "ProductTypeNotSupported"
+    },
+    {
+      "key": "SourceBillingProfilePastDue",
+      "value": "SourceBillingProfilePastDue"
+    },
+    {
+      "key": "SourceInvoiceSectionInactive",
+      "value": "SourceInvoiceSectionInactive"
+    },
+    {
+      "key": "SubscriptionHasReservations",
+      "value": "SubscriptionHasReservations"
+    },
+    {
+      "key": "SubscriptionNotActive",
+      "value": "SubscriptionNotActive"
+    },
+    {
+      "key": "SubscriptionTypeNotSupported",
+      "value": "SubscriptionTypeNotSupported"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Amount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Amount.json
new file mode 100644
index 00000000000..e0b18577397
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Amount.json
@@ -0,0 +1,31 @@
+{
+  "name": "Amount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Beneficiary.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Beneficiary.json
new file mode 100644
index 00000000000..360492f38fc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Beneficiary.json
@@ -0,0 +1,31 @@
+{
+  "name": "Beneficiary",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "objectId",
+      "name": "ObjectId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscription.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscription.json
new file mode 100644
index 00000000000..ec9cb5ab2c7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscription.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingSubscription",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionAlias.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionAlias.json
new file mode 100644
index 00000000000..5e57a24f48c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionAlias.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingSubscriptionAlias",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionAliasProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionAliasProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionAliasProperties.json
new file mode 100644
index 00000000000..34a9bd4b5b3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionAliasProperties.json
@@ -0,0 +1,605 @@
+{
+  "name": "BillingSubscriptionAliasProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "autoRenew",
+      "name": "AutoRenew",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AutoRenew"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "beneficiary",
+      "name": "Beneficiary",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Beneficiary"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "beneficiaryTenantId",
+      "name": "BeneficiaryTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingFrequency",
+      "name": "BillingFrequency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPolicies",
+      "name": "BillingPolicies",
+      "objectDefinition": {
+        "type": "Dictionary",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileName",
+      "name": "BillingProfileName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingSubscriptionId",
+      "name": "BillingSubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "consumptionCostCenter",
+      "name": "ConsumptionCostCenter",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerName",
+      "name": "CustomerName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountDisplayName",
+      "name": "EnrollmentAccountDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountId",
+      "name": "EnrollmentAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountSubscriptionDetails",
+      "name": "EnrollmentAccountSubscriptionDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentAccountSubscriptionDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionName",
+      "name": "InvoiceSectionName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastMonthCharges",
+      "name": "LastMonthCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "monthToDateCharges",
+      "name": "MonthToDateCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "nextBillingCycleDetails",
+      "name": "NextBillingCycleDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "NextBillingCycleDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "offerId",
+      "name": "OfferId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "operationStatus",
+      "name": "OperationStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionOperationStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCategory",
+      "name": "ProductCategory",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productTypeId",
+      "name": "ProductTypeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningTenantId",
+      "name": "ProvisioningTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewalTermDetails",
+      "name": "RenewalTermDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewalTermDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reseller",
+      "name": "Reseller",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Reseller"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceUri",
+      "name": "ResourceUri",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "suspensionReasonDetails",
+      "name": "SuspensionReasonDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "BillingSubscriptionStatusDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "suspensionReasons",
+      "name": "SuspensionReasons",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemOverrides",
+      "name": "SystemOverrides",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SystemOverrides"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "termDuration",
+      "name": "TermDuration",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "termEndDate",
+      "name": "TermEndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "termStartDate",
+      "name": "TermStartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionMergeRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionMergeRequest.json
new file mode 100644
index 00000000000..5f3670a1ad3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionMergeRequest.json
@@ -0,0 +1,31 @@
+{
+  "name": "BillingSubscriptionMergeRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "targetBillingSubscriptionName",
+      "name": "TargetBillingSubscriptionName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionPatch.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionPatch.json
new file mode 100644
index 00000000000..75cc530ab19
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionPatch.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingSubscriptionPatch",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionProperties.json
new file mode 100644
index 00000000000..a568590f107
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionProperties.json
@@ -0,0 +1,592 @@
+{
+  "name": "BillingSubscriptionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "autoRenew",
+      "name": "AutoRenew",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AutoRenew"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "beneficiary",
+      "name": "Beneficiary",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Beneficiary"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "beneficiaryTenantId",
+      "name": "BeneficiaryTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingFrequency",
+      "name": "BillingFrequency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPolicies",
+      "name": "BillingPolicies",
+      "objectDefinition": {
+        "type": "Dictionary",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileName",
+      "name": "BillingProfileName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "consumptionCostCenter",
+      "name": "ConsumptionCostCenter",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerName",
+      "name": "CustomerName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountDisplayName",
+      "name": "EnrollmentAccountDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountId",
+      "name": "EnrollmentAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentAccountSubscriptionDetails",
+      "name": "EnrollmentAccountSubscriptionDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentAccountSubscriptionDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionName",
+      "name": "InvoiceSectionName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastMonthCharges",
+      "name": "LastMonthCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "monthToDateCharges",
+      "name": "MonthToDateCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "nextBillingCycleDetails",
+      "name": "NextBillingCycleDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "NextBillingCycleDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "offerId",
+      "name": "OfferId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "operationStatus",
+      "name": "OperationStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionOperationStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCategory",
+      "name": "ProductCategory",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productTypeId",
+      "name": "ProductTypeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningTenantId",
+      "name": "ProvisioningTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewalTermDetails",
+      "name": "RenewalTermDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewalTermDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reseller",
+      "name": "Reseller",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Reseller"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceUri",
+      "name": "ResourceUri",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingSubscriptionStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "suspensionReasonDetails",
+      "name": "SuspensionReasonDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "BillingSubscriptionStatusDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "suspensionReasons",
+      "name": "SuspensionReasons",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemOverrides",
+      "name": "SystemOverrides",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SystemOverrides"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "termDuration",
+      "name": "TermDuration",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "termEndDate",
+      "name": "TermEndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "termStartDate",
+      "name": "TermStartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionSplitRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionSplitRequest.json
new file mode 100644
index 00000000000..d4e64313f55
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionSplitRequest.json
@@ -0,0 +1,70 @@
+{
+  "name": "BillingSubscriptionSplitRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingFrequency",
+      "name": "BillingFrequency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "targetProductTypeId",
+      "name": "TargetProductTypeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "targetSkuId",
+      "name": "TargetSkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "termDuration",
+      "name": "TermDuration",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionStatusDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionStatusDetails.json
new file mode 100644
index 00000000000..fe0e67dee11
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-BillingSubscriptionStatusDetails.json
@@ -0,0 +1,32 @@
+{
+  "name": "BillingSubscriptionStatusDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDate",
+      "name": "EffectiveDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reason",
+      "name": "Reason",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionStatusReason"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-CancelSubscriptionRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-CancelSubscriptionRequest.json
new file mode 100644
index 00000000000..cf2754ab80d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-CancelSubscriptionRequest.json
@@ -0,0 +1,31 @@
+{
+  "name": "CancelSubscriptionRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "cancellationReason",
+      "name": "CancellationReason",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CancellationReason"
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-EnrollmentAccountSubscriptionDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-EnrollmentAccountSubscriptionDetails.json
new file mode 100644
index 00000000000..9f15024dfbf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-EnrollmentAccountSubscriptionDetails.json
@@ -0,0 +1,32 @@
+{
+  "name": "EnrollmentAccountSubscriptionDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "enrollmentAccountStartDate",
+      "name": "EnrollmentAccountStartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionEnrollmentAccountStatus",
+      "name": "SubscriptionEnrollmentAccountStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionEnrollmentAccountStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionEligibilityResult.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionEligibilityResult.json
new file mode 100644
index 00000000000..95847d8b220
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionEligibilityResult.json
@@ -0,0 +1,31 @@
+{
+  "name": "MoveBillingSubscriptionEligibilityResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "errorDetails",
+      "name": "ErrorDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "MoveBillingSubscriptionErrorDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isMoveEligible",
+      "name": "IsMoveEligible",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionErrorDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionErrorDetails.json
new file mode 100644
index 00000000000..58370604417
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionErrorDetails.json
@@ -0,0 +1,44 @@
+{
+  "name": "MoveBillingSubscriptionErrorDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionTransferValidationErrorCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "details",
+      "name": "Details",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionRequest.json
new file mode 100644
index 00000000000..31061e52a81
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-MoveBillingSubscriptionRequest.json
@@ -0,0 +1,31 @@
+{
+  "name": "MoveBillingSubscriptionRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "destinationEnrollmentAccountId",
+      "name": "DestinationEnrollmentAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "destinationInvoiceSectionId",
+      "name": "DestinationInvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-NextBillingCycleDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-NextBillingCycleDetails.json
new file mode 100644
index 00000000000..e2ef8760b4a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-NextBillingCycleDetails.json
@@ -0,0 +1,18 @@
+{
+  "name": "NextBillingCycleDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingFrequency",
+      "name": "BillingFrequency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-RenewalTermDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-RenewalTermDetails.json
new file mode 100644
index 00000000000..b192489ae29
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-RenewalTermDetails.json
@@ -0,0 +1,97 @@
+{
+  "name": "RenewalTermDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingFrequency",
+      "name": "BillingFrequency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productTypeId",
+      "name": "ProductTypeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "termDuration",
+      "name": "TermDuration",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "termEndDate",
+      "name": "TermEndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Reseller.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Reseller.json
new file mode 100644
index 00000000000..2a08fa80cc7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-Reseller.json
@@ -0,0 +1,31 @@
+{
+  "name": "Reseller",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "description",
+      "name": "Description",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerId",
+      "name": "ResellerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-SystemOverrides.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-SystemOverrides.json
new file mode 100644
index 00000000000..7a59428936a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Model-SystemOverrides.json
@@ -0,0 +1,32 @@
+{
+  "name": "SystemOverrides",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "cancellation",
+      "name": "Cancellation",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Cancellation"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "cancellationAllowedEndDate",
+      "name": "CancellationAllowedEndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesCreateOrUpdate.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesCreateOrUpdate.json
new file mode 100644
index 00000000000..a26eefcf15d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesCreateOrUpdate.json
@@ -0,0 +1,20 @@
+{
+  "name": "AliasesCreateOrUpdate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingSubscriptionAliasId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionAlias"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionAlias"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesGet.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesGet.json
new file mode 100644
index 00000000000..14fde3e84cb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesGet.json
@@ -0,0 +1,14 @@
+{
+  "name": "AliasesGet",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingSubscriptionAliasId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionAlias"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesListByBillingAccount.json
new file mode 100644
index 00000000000..05c2e52e295
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-AliasesListByBillingAccount.json
@@ -0,0 +1,88 @@
+{
+  "name": "AliasesListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionAlias"
+  },
+  "uriSuffix": "/billingSubscriptionAliases"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Cancel.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Cancel.json
new file mode 100644
index 00000000000..bdf740c1c13
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Cancel.json
@@ -0,0 +1,15 @@
+{
+  "name": "Cancel",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CancelSubscriptionRequest"
+  },
+  "uriSuffix": "/cancel"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Delete.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Delete.json
new file mode 100644
index 00000000000..374c12534f6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Delete.json
@@ -0,0 +1,11 @@
+{
+  "name": "Delete",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202,
+    204
+  ],
+  "longRunning": true,
+  "httpMethod": "DELETE",
+  "resourceIdName": "BillingAccountBillingSubscriptionId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Get.json
new file mode 100644
index 00000000000..6c83de22288
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Get.json
@@ -0,0 +1,26 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-GetByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-GetByBillingProfile.json
new file mode 100644
index 00000000000..b04d4110538
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-GetByBillingProfile.json
@@ -0,0 +1,26 @@
+{
+  "name": "GetByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileBillingSubscriptionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..7ea68e62b39
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByBillingAccount.json
@@ -0,0 +1,118 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeFailed",
+      "required": false,
+      "field": "IncludeFailed",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeTenantSubscriptions",
+      "required": false,
+      "field": "IncludeTenantSubscriptions",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/billingSubscriptions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..3cdc8847ed4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByBillingProfile.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/billingSubscriptions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..c4a2637c2d5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByCustomer.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/billingSubscriptions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByCustomerAtBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByCustomerAtBillingAccount.json
new file mode 100644
index 00000000000..ecff3fad8c6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByCustomerAtBillingAccount.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByCustomerAtBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "CustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/billingSubscriptions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByEnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByEnrollmentAccount.json
new file mode 100644
index 00000000000..b5bbad8d086
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByEnrollmentAccount.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByEnrollmentAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "EnrollmentAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/billingSubscriptions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..d68ce369ff1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ListByInvoiceSection.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/billingSubscriptions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Merge.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Merge.json
new file mode 100644
index 00000000000..0f561394ab9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Merge.json
@@ -0,0 +1,20 @@
+{
+  "name": "Merge",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionMergeRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/merge"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Move.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Move.json
new file mode 100644
index 00000000000..fd13c65920f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Move.json
@@ -0,0 +1,20 @@
+{
+  "name": "Move",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "MoveBillingSubscriptionRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/move"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Split.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Split.json
new file mode 100644
index 00000000000..cd20ab23e8a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Split.json
@@ -0,0 +1,20 @@
+{
+  "name": "Split",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionSplitRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  },
+  "uriSuffix": "/split"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Update.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Update.json
new file mode 100644
index 00000000000..6bdb9e97322
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-Update.json
@@ -0,0 +1,19 @@
+{
+  "name": "Update",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PATCH",
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscriptionPatch"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingSubscription"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ValidateMoveEligibility.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ValidateMoveEligibility.json
new file mode 100644
index 00000000000..f9f61f0fa52
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/Operation-ValidateMoveEligibility.json
@@ -0,0 +1,19 @@
+{
+  "name": "ValidateMoveEligibility",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountBillingSubscriptionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "MoveBillingSubscriptionRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "MoveBillingSubscriptionEligibilityResult"
+  },
+  "uriSuffix": "/validateMoveEligibility"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingAccountBillingSubscriptionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingAccountBillingSubscriptionId.json
new file mode 100644
index 00000000000..e5c8d60e4fb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingAccountBillingSubscriptionId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingAccountBillingSubscriptionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingSubscriptions/{billingSubscriptionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingSubscriptions",
+      "type": "Static",
+      "value": "billingSubscriptions"
+    },
+    {
+      "name": "billingSubscriptionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileBillingSubscriptionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileBillingSubscriptionId.json
new file mode 100644
index 00000000000..329ec7c5f15
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileBillingSubscriptionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileBillingSubscriptionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/billingSubscriptions/{billingSubscriptionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingSubscriptions",
+      "type": "Static",
+      "value": "billingSubscriptions"
+    },
+    {
+      "name": "billingSubscriptionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingSubscriptionAliasId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingSubscriptionAliasId.json
new file mode 100644
index 00000000000..5413a4ee52b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-BillingSubscriptionAliasId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingSubscriptionAliasId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingSubscriptionAliases/{billingSubscriptionAliasName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingSubscriptionAliases",
+      "type": "Static",
+      "value": "billingSubscriptionAliases"
+    },
+    {
+      "name": "billingSubscriptionAliasName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-CustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-CustomerId.json
new file mode 100644
index 00000000000..236dcecf27d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-CustomerId.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-EnrollmentAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-EnrollmentAccountId.json
new file mode 100644
index 00000000000..19764041ca7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-EnrollmentAccountId.json
@@ -0,0 +1,34 @@
+{
+  "name": "EnrollmentAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/BillingSubscription/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Constant-CustomerStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Constant-CustomerStatus.json
new file mode 100644
index 00000000000..7cecc02b497
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Constant-CustomerStatus.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-AzurePlan.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-AzurePlan.json
new file mode 100644
index 00000000000..ad0673e2fcb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-AzurePlan.json
@@ -0,0 +1,44 @@
+{
+  "name": "AzurePlan",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-Customer.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-Customer.json
new file mode 100644
index 00000000000..4603c8fa5dd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-Customer.json
@@ -0,0 +1,83 @@
+{
+  "name": "Customer",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CustomerProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-CustomerProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-CustomerProperties.json
new file mode 100644
index 00000000000..55df9b85803
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-CustomerProperties.json
@@ -0,0 +1,117 @@
+{
+  "name": "CustomerProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enabledAzurePlans",
+      "name": "EnabledAzurePlans",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "AzurePlan"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellers",
+      "name": "Resellers",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "Reseller"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CustomerStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemId",
+      "name": "SystemId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-Reseller.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-Reseller.json
new file mode 100644
index 00000000000..2a08fa80cc7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Model-Reseller.json
@@ -0,0 +1,31 @@
+{
+  "name": "Reseller",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "description",
+      "name": "Description",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerId",
+      "name": "ResellerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-Get.json
new file mode 100644
index 00000000000..6445159a8b7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Customer"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..5f786d465cb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-GetByBillingAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "CustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Customer"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..c927e18b066
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-ListByBillingAccount.json
@@ -0,0 +1,88 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Customer"
+  },
+  "uriSuffix": "/customers"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..2fad24964ad
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/Operation-ListByBillingProfile.json
@@ -0,0 +1,88 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Customer"
+  },
+  "uriSuffix": "/customers"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-CustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-CustomerId.json
new file mode 100644
index 00000000000..236dcecf27d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Customer/ResourceId-CustomerId.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Department/Model-Department.json b/api-definitions/resource-manager/Billing/2024-04-01/Department/Model-Department.json
new file mode 100644
index 00000000000..e3d7e585bb6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Department/Model-Department.json
@@ -0,0 +1,83 @@
+{
+  "name": "Department",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "DepartmentProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Department/Model-DepartmentProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Department/Model-DepartmentProperties.json
new file mode 100644
index 00000000000..6cad6f09425
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Department/Model-DepartmentProperties.json
@@ -0,0 +1,57 @@
+{
+  "name": "DepartmentProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "costCenter",
+      "name": "CostCenter",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Department/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/Department/Operation-Get.json
new file mode 100644
index 00000000000..87098944930
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Department/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Department"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Department/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Department/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..546f7aa1815
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Department/Operation-ListByBillingAccount.json
@@ -0,0 +1,68 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Department"
+  },
+  "uriSuffix": "/departments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Department/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Department/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Department/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Department/ResourceId-DepartmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/Department/ResourceId-DepartmentId.json
new file mode 100644
index 00000000000..f6da0e8a764
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Department/ResourceId-DepartmentId.json
@@ -0,0 +1,34 @@
+{
+  "name": "DepartmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Model-EnrollmentAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Model-EnrollmentAccount.json
new file mode 100644
index 00000000000..69092e10cb7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Model-EnrollmentAccount.json
@@ -0,0 +1,83 @@
+{
+  "name": "EnrollmentAccount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentAccountProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Model-EnrollmentAccountProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Model-EnrollmentAccountProperties.json
new file mode 100644
index 00000000000..9da3fac0810
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Model-EnrollmentAccountProperties.json
@@ -0,0 +1,137 @@
+{
+  "name": "EnrollmentAccountProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountOwner",
+      "name": "AccountOwner",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "authType",
+      "name": "AuthType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "costCenter",
+      "name": "CostCenter",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "departmentDisplayName",
+      "name": "DepartmentDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "departmentId",
+      "name": "DepartmentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isDevTestEnabled",
+      "name": "IsDevTestEnabled",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-Get.json
new file mode 100644
index 00000000000..6b0cb4bda71
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "EnrollmentAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "EnrollmentAccount"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-GetByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-GetByDepartment.json
new file mode 100644
index 00000000000..d170518896b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-GetByDepartment.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "DepartmentEnrollmentAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "EnrollmentAccount"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..8dd2913a896
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-ListByBillingAccount.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "EnrollmentAccount"
+  },
+  "uriSuffix": "/enrollmentAccounts"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-ListByDepartment.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-ListByDepartment.json
new file mode 100644
index 00000000000..6820334a17b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/Operation-ListByDepartment.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByDepartment",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "DepartmentId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "EnrollmentAccount"
+  },
+  "uriSuffix": "/enrollmentAccounts"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-DepartmentEnrollmentAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-DepartmentEnrollmentAccountId.json
new file mode 100644
index 00000000000..e548f264f53
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-DepartmentEnrollmentAccountId.json
@@ -0,0 +1,43 @@
+{
+  "name": "DepartmentEnrollmentAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}/enrollmentAccounts/{enrollmentAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-DepartmentId.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-DepartmentId.json
new file mode 100644
index 00000000000..f6da0e8a764
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-DepartmentId.json
@@ -0,0 +1,34 @@
+{
+  "name": "DepartmentId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/departments/{departmentName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticDepartments",
+      "type": "Static",
+      "value": "departments"
+    },
+    {
+      "name": "departmentName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-EnrollmentAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-EnrollmentAccountId.json
new file mode 100644
index 00000000000..19764041ca7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/EnrollmentAccount/ResourceId-EnrollmentAccountId.json
@@ -0,0 +1,34 @@
+{
+  "name": "EnrollmentAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/enrollmentAccounts/{enrollmentAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticEnrollmentAccounts",
+      "type": "Static",
+      "value": "enrollmentAccounts"
+    },
+    {
+      "name": "enrollmentAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-DocumentSource.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-DocumentSource.json
new file mode 100644
index 00000000000..da7bcbf99bc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-DocumentSource.json
@@ -0,0 +1,18 @@
+{
+  "name": "DocumentSource",
+  "type": "String",
+  "values": [
+    {
+      "key": "DRS",
+      "value": "DRS"
+    },
+    {
+      "key": "ENF",
+      "value": "ENF"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-FailedPaymentReason.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-FailedPaymentReason.json
new file mode 100644
index 00000000000..436093a53a3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-FailedPaymentReason.json
@@ -0,0 +1,22 @@
+{
+  "name": "FailedPaymentReason",
+  "type": "String",
+  "values": [
+    {
+      "key": "BankDeclined",
+      "value": "BankDeclined"
+    },
+    {
+      "key": "CardExpired",
+      "value": "CardExpired"
+    },
+    {
+      "key": "IncorrectCardDetails",
+      "value": "IncorrectCardDetails"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceDocumentType.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceDocumentType.json
new file mode 100644
index 00000000000..db6d8097177
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceDocumentType.json
@@ -0,0 +1,34 @@
+{
+  "name": "InvoiceDocumentType",
+  "type": "String",
+  "values": [
+    {
+      "key": "CreditNote",
+      "value": "CreditNote"
+    },
+    {
+      "key": "Invoice",
+      "value": "Invoice"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Summary",
+      "value": "Summary"
+    },
+    {
+      "key": "TaxReceipt",
+      "value": "TaxReceipt"
+    },
+    {
+      "key": "Transactions",
+      "value": "Transactions"
+    },
+    {
+      "key": "VoidNote",
+      "value": "VoidNote"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceStatus.json
new file mode 100644
index 00000000000..eb5e6abb72c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "InvoiceStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Due",
+      "value": "Due"
+    },
+    {
+      "key": "Locked",
+      "value": "Locked"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "OverDue",
+      "value": "OverDue"
+    },
+    {
+      "key": "Paid",
+      "value": "Paid"
+    },
+    {
+      "key": "Void",
+      "value": "Void"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceType.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceType.json
new file mode 100644
index 00000000000..787cdc34ed5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-InvoiceType.json
@@ -0,0 +1,22 @@
+{
+  "name": "InvoiceType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AzureMarketplace",
+      "value": "AzureMarketplace"
+    },
+    {
+      "key": "AzureServices",
+      "value": "AzureServices"
+    },
+    {
+      "key": "AzureSupport",
+      "value": "AzureSupport"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-PaymentMethodFamily.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-PaymentMethodFamily.json
new file mode 100644
index 00000000000..4d287429026
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-PaymentMethodFamily.json
@@ -0,0 +1,38 @@
+{
+  "name": "PaymentMethodFamily",
+  "type": "String",
+  "values": [
+    {
+      "key": "CheckWire",
+      "value": "CheckWire"
+    },
+    {
+      "key": "CreditCard",
+      "value": "CreditCard"
+    },
+    {
+      "key": "Credits",
+      "value": "Credits"
+    },
+    {
+      "key": "DirectDebit",
+      "value": "DirectDebit"
+    },
+    {
+      "key": "EWallet",
+      "value": "EWallet"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "TaskOrder",
+      "value": "TaskOrder"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-RefundReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-RefundReasonCode.json
new file mode 100644
index 00000000000..6649c6ee232
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-RefundReasonCode.json
@@ -0,0 +1,30 @@
+{
+  "name": "RefundReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "AccidentalConversion",
+      "value": "AccidentalConversion"
+    },
+    {
+      "key": "AccidentalPurchase",
+      "value": "AccidentalPurchase"
+    },
+    {
+      "key": "ForgotToCancel",
+      "value": "ForgotToCancel"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "UnclearDocumentation",
+      "value": "UnclearDocumentation"
+    },
+    {
+      "key": "UnclearPricing",
+      "value": "UnclearPricing"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-RefundStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-RefundStatus.json
new file mode 100644
index 00000000000..c96a2e04b40
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-RefundStatus.json
@@ -0,0 +1,34 @@
+{
+  "name": "RefundStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Approved",
+      "value": "Approved"
+    },
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Declined",
+      "value": "Declined"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-SpecialTaxationType.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-SpecialTaxationType.json
new file mode 100644
index 00000000000..ccb8508bb43
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Constant-SpecialTaxationType.json
@@ -0,0 +1,14 @@
+{
+  "name": "SpecialTaxationType",
+  "type": "String",
+  "values": [
+    {
+      "key": "InvoiceLevel",
+      "value": "InvoiceLevel"
+    },
+    {
+      "key": "SubtotalLevel",
+      "value": "SubtotalLevel"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Amount.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Amount.json
new file mode 100644
index 00000000000..e0b18577397
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Amount.json
@@ -0,0 +1,31 @@
+{
+  "name": "Amount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-DocumentDownloadRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-DocumentDownloadRequest.json
new file mode 100644
index 00000000000..3a28bcea1c0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-DocumentDownloadRequest.json
@@ -0,0 +1,31 @@
+{
+  "name": "DocumentDownloadRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "documentName",
+      "name": "DocumentName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceName",
+      "name": "InvoiceName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-DocumentDownloadResult.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-DocumentDownloadResult.json
new file mode 100644
index 00000000000..f2ec34aece6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-DocumentDownloadResult.json
@@ -0,0 +1,31 @@
+{
+  "name": "DocumentDownloadResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryTime",
+      "name": "ExpiryTime",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "url",
+      "name": "Url",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-FailedPayment.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-FailedPayment.json
new file mode 100644
index 00000000000..138cadafa88
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-FailedPayment.json
@@ -0,0 +1,32 @@
+{
+  "name": "FailedPayment",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "date",
+      "name": "Date",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "failedPaymentReason",
+      "name": "FailedPaymentReason",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "FailedPaymentReason"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Invoice.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Invoice.json
new file mode 100644
index 00000000000..7542c1646de
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Invoice.json
@@ -0,0 +1,83 @@
+{
+  "name": "Invoice",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-InvoiceDocument.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-InvoiceDocument.json
new file mode 100644
index 00000000000..fd4d75309f8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-InvoiceDocument.json
@@ -0,0 +1,87 @@
+{
+  "name": "InvoiceDocument",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "documentNumbers",
+      "name": "DocumentNumbers",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "externalUrl",
+      "name": "ExternalUrl",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "kind",
+      "name": "Kind",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceDocumentType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "source",
+      "name": "Source",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "DocumentSource"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "url",
+      "name": "Url",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-InvoiceProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-InvoiceProperties.json
new file mode 100644
index 00000000000..69d02f1d653
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-InvoiceProperties.json
@@ -0,0 +1,398 @@
+{
+  "name": "InvoiceProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amountDue",
+      "name": "AmountDue",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "azurePrepaymentApplied",
+      "name": "AzurePrepaymentApplied",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billedAmount",
+      "name": "BilledAmount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billedDocumentId",
+      "name": "BilledDocumentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "creditAmount",
+      "name": "CreditAmount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "creditForDocumentId",
+      "name": "CreditForDocumentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "documentType",
+      "name": "DocumentType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceDocumentType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "documents",
+      "name": "Documents",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "InvoiceDocument"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "dueDate",
+      "name": "DueDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "failedPayments",
+      "name": "FailedPayments",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "FailedPayment"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "freeAzureCreditApplied",
+      "name": "FreeAzureCreditApplied",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "invoiceDate",
+      "name": "InvoiceDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "invoicePeriodEndDate",
+      "name": "InvoicePeriodEndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "invoicePeriodStartDate",
+      "name": "InvoicePeriodStartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceType",
+      "name": "InvoiceType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isMonthlyInvoice",
+      "name": "IsMonthlyInvoice",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "payments",
+      "name": "Payments",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "Payment"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseOrderNumber",
+      "name": "PurchaseOrderNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "rebillDetails",
+      "name": "RebillDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RebillDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "refundDetails",
+      "name": "RefundDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RefundDetailsSummary"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "specialTaxationType",
+      "name": "SpecialTaxationType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpecialTaxationType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subTotal",
+      "name": "SubTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionDisplayName",
+      "name": "SubscriptionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "taxAmount",
+      "name": "TaxAmount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "totalAmount",
+      "name": "TotalAmount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Payment.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Payment.json
new file mode 100644
index 00000000000..9fab9eb2333
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-Payment.json
@@ -0,0 +1,84 @@
+{
+  "name": "Payment",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "date",
+      "name": "Date",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethodFamily",
+      "name": "PaymentMethodFamily",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodFamily"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethodId",
+      "name": "PaymentMethodId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethodType",
+      "name": "PaymentMethodType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentType",
+      "name": "PaymentType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-RebillDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-RebillDetails.json
new file mode 100644
index 00000000000..6183e3cf5df
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-RebillDetails.json
@@ -0,0 +1,44 @@
+{
+  "name": "RebillDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "creditNoteDocumentId",
+      "name": "CreditNoteDocumentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceDocumentId",
+      "name": "InvoiceDocumentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "rebillDetails",
+      "name": "RebillDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RebillDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-RefundDetailsSummary.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-RefundDetailsSummary.json
new file mode 100644
index 00000000000..3afb5aeb61b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Model-RefundDetailsSummary.json
@@ -0,0 +1,138 @@
+{
+  "name": "RefundDetailsSummary",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amountRefunded",
+      "name": "AmountRefunded",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amountRequested",
+      "name": "AmountRequested",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "approvedOn",
+      "name": "ApprovedOn",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "completedOn",
+      "name": "CompletedOn",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "rebillInvoiceId",
+      "name": "RebillInvoiceId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "refundOperationId",
+      "name": "RefundOperationId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "refundReason",
+      "name": "RefundReason",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RefundReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "refundStatus",
+      "name": "RefundStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RefundStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "requestedOn",
+      "name": "RequestedOn",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transactionCount",
+      "name": "TransactionCount",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-Amend.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-Amend.json
new file mode 100644
index 00000000000..c40c99dd7fc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-Amend.json
@@ -0,0 +1,11 @@
+{
+  "name": "Amend",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountInvoiceId",
+  "uriSuffix": "/amend"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadByBillingAccount.json
new file mode 100644
index 00000000000..7fa2b8ed569
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadByBillingAccount.json
@@ -0,0 +1,28 @@
+{
+  "name": "DownloadByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "documentName",
+      "required": false,
+      "field": "DocumentName",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DocumentDownloadResult"
+  },
+  "uriSuffix": "/download"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadByBillingSubscription.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadByBillingSubscription.json
new file mode 100644
index 00000000000..1918abb03d6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadByBillingSubscription.json
@@ -0,0 +1,28 @@
+{
+  "name": "DownloadByBillingSubscription",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "documentName",
+      "required": false,
+      "field": "DocumentName",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingSubscriptionInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DocumentDownloadResult"
+  },
+  "uriSuffix": "/download"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadDocumentsByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadDocumentsByBillingAccount.json
new file mode 100644
index 00000000000..bfe188bd089
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadDocumentsByBillingAccount.json
@@ -0,0 +1,24 @@
+{
+  "name": "DownloadDocumentsByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "DocumentDownloadRequest"
+    }
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DocumentDownloadResult"
+  },
+  "uriSuffix": "/downloadDocuments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadDocumentsByBillingSubscription.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadDocumentsByBillingSubscription.json
new file mode 100644
index 00000000000..6929d06e592
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadDocumentsByBillingSubscription.json
@@ -0,0 +1,24 @@
+{
+  "name": "DownloadDocumentsByBillingSubscription",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingSubscriptionId",
+  "requestObject": {
+    "type": "List",
+    "referenceName": null,
+    "nestedItem": {
+      "type": "Reference",
+      "referenceName": "DocumentDownloadRequest"
+    }
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DocumentDownloadResult"
+  },
+  "uriSuffix": "/downloadDocuments"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadSummaryByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadSummaryByBillingAccount.json
new file mode 100644
index 00000000000..a81691fa4fd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-DownloadSummaryByBillingAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "DownloadSummaryByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DocumentDownloadResult"
+  },
+  "uriSuffix": "/downloadSummary"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-Get.json
new file mode 100644
index 00000000000..302d611d078
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Invoice"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..adc257b6c7c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-GetByBillingAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Invoice"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-GetByBillingSubscription.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-GetByBillingSubscription.json
new file mode 100644
index 00000000000..1a42ead3b2a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-GetByBillingSubscription.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingSubscription",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingSubscriptionInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Invoice"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..e127a90a10d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingAccount.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "periodEndDate",
+      "required": false,
+      "field": "PeriodEndDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "periodStartDate",
+      "required": false,
+      "field": "PeriodStartDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Invoice"
+  },
+  "uriSuffix": "/invoices"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..0cf128ab025
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingProfile.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "periodEndDate",
+      "required": false,
+      "field": "PeriodEndDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "periodStartDate",
+      "required": false,
+      "field": "PeriodStartDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Invoice"
+  },
+  "uriSuffix": "/invoices"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingSubscription.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingSubscription.json
new file mode 100644
index 00000000000..918f6a83e1a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/Operation-ListByBillingSubscription.json
@@ -0,0 +1,98 @@
+{
+  "name": "ListByBillingSubscription",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "periodEndDate",
+      "required": false,
+      "field": "PeriodEndDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "periodStartDate",
+      "required": false,
+      "field": "PeriodStartDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingSubscriptionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Invoice"
+  },
+  "uriSuffix": "/invoices"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingAccountInvoiceId.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingAccountInvoiceId.json
new file mode 100644
index 00000000000..75e6ae3ab98
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingAccountInvoiceId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingAccountInvoiceId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoices",
+      "type": "Static",
+      "value": "invoices"
+    },
+    {
+      "name": "invoiceName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingSubscriptionId.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingSubscriptionId.json
new file mode 100644
index 00000000000..cd6fc83b79d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingSubscriptionId.json
@@ -0,0 +1,35 @@
+{
+  "name": "BillingSubscriptionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "staticDefault",
+      "type": "Static",
+      "value": "default"
+    },
+    {
+      "name": "staticBillingSubscriptions",
+      "type": "Static",
+      "value": "billingSubscriptions"
+    },
+    {
+      "name": "subscriptionId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingSubscriptionInvoiceId.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingSubscriptionInvoiceId.json
new file mode 100644
index 00000000000..22b68ac214c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-BillingSubscriptionInvoiceId.json
@@ -0,0 +1,44 @@
+{
+  "name": "BillingSubscriptionInvoiceId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "staticDefault",
+      "type": "Static",
+      "value": "default"
+    },
+    {
+      "name": "staticBillingSubscriptions",
+      "type": "Static",
+      "value": "billingSubscriptions"
+    },
+    {
+      "name": "subscriptionId",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoices",
+      "type": "Static",
+      "value": "invoices"
+    },
+    {
+      "name": "invoiceName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-InvoiceId.json b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-InvoiceId.json
new file mode 100644
index 00000000000..8f8d68f4f3d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Invoice/ResourceId-InvoiceId.json
@@ -0,0 +1,35 @@
+{
+  "name": "InvoiceId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/default/invoices/{invoiceName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "staticDefault",
+      "type": "Static",
+      "value": "default"
+    },
+    {
+      "name": "staticInvoices",
+      "type": "Static",
+      "value": "invoices"
+    },
+    {
+      "name": "invoiceName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-DeleteInvoiceSectionEligibilityCode.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-DeleteInvoiceSectionEligibilityCode.json
new file mode 100644
index 00000000000..29b374c9b98
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-DeleteInvoiceSectionEligibilityCode.json
@@ -0,0 +1,26 @@
+{
+  "name": "DeleteInvoiceSectionEligibilityCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "ActiveAzurePlans",
+      "value": "ActiveAzurePlans"
+    },
+    {
+      "key": "ActiveBillingSubscriptions",
+      "value": "ActiveBillingSubscriptions"
+    },
+    {
+      "key": "LastInvoiceSection",
+      "value": "LastInvoiceSection"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "ReservedInstances",
+      "value": "ReservedInstances"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-DeleteInvoiceSectionEligibilityStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-DeleteInvoiceSectionEligibilityStatus.json
new file mode 100644
index 00000000000..c626cd9ef7d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-DeleteInvoiceSectionEligibilityStatus.json
@@ -0,0 +1,14 @@
+{
+  "name": "DeleteInvoiceSectionEligibilityStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-InvoiceSectionState.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-InvoiceSectionState.json
new file mode 100644
index 00000000000..1a880108004
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-InvoiceSectionState.json
@@ -0,0 +1,34 @@
+{
+  "name": "InvoiceSectionState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Restricted",
+      "value": "Restricted"
+    },
+    {
+      "key": "UnderReview",
+      "value": "UnderReview"
+    },
+    {
+      "key": "Warned",
+      "value": "Warned"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-InvoiceSectionStateReasonCode.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-InvoiceSectionStateReasonCode.json
new file mode 100644
index 00000000000..9477efde527
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-InvoiceSectionStateReasonCode.json
@@ -0,0 +1,26 @@
+{
+  "name": "InvoiceSectionStateReasonCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "SpendingLimitExpired",
+      "value": "SpendingLimitExpired"
+    },
+    {
+      "key": "SpendingLimitReached",
+      "value": "SpendingLimitReached"
+    },
+    {
+      "key": "UnusualActivity",
+      "value": "UnusualActivity"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-TargetCloud.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-TargetCloud.json
new file mode 100644
index 00000000000..0d146408411
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Constant-TargetCloud.json
@@ -0,0 +1,26 @@
+{
+  "name": "TargetCloud",
+  "type": "String",
+  "values": [
+    {
+      "key": "Internal",
+      "value": "Internal"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "USGov",
+      "value": "USGov"
+    },
+    {
+      "key": "USNat",
+      "value": "USNat"
+    },
+    {
+      "key": "USSec",
+      "value": "USSec"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-DeleteInvoiceSectionEligibilityDetail.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-DeleteInvoiceSectionEligibilityDetail.json
new file mode 100644
index 00000000000..6c5d5eb7ca4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-DeleteInvoiceSectionEligibilityDetail.json
@@ -0,0 +1,31 @@
+{
+  "name": "DeleteInvoiceSectionEligibilityDetail",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "DeleteInvoiceSectionEligibilityCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-DeleteInvoiceSectionEligibilityResult.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-DeleteInvoiceSectionEligibilityResult.json
new file mode 100644
index 00000000000..b207f6ea6f0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-DeleteInvoiceSectionEligibilityResult.json
@@ -0,0 +1,35 @@
+{
+  "name": "DeleteInvoiceSectionEligibilityResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "eligibilityDetails",
+      "name": "EligibilityDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "DeleteInvoiceSectionEligibilityDetail"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "eligibilityStatus",
+      "name": "EligibilityStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "DeleteInvoiceSectionEligibilityStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-InvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-InvoiceSection.json
new file mode 100644
index 00000000000..cd8eaf2f37a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-InvoiceSection.json
@@ -0,0 +1,83 @@
+{
+  "name": "InvoiceSection",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceSectionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-InvoiceSectionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-InvoiceSectionProperties.json
new file mode 100644
index 00000000000..300ed6d6f60
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Model-InvoiceSectionProperties.json
@@ -0,0 +1,96 @@
+{
+  "name": "InvoiceSectionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reasonCode",
+      "name": "ReasonCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceSectionStateReasonCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "state",
+      "name": "State",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceSectionState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemId",
+      "name": "SystemId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "targetCloud",
+      "name": "TargetCloud",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TargetCloud"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-CreateOrUpdate.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-CreateOrUpdate.json
new file mode 100644
index 00000000000..dcb69d2b1ef
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-CreateOrUpdate.json
@@ -0,0 +1,20 @@
+{
+  "name": "CreateOrUpdate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "InvoiceSectionId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "InvoiceSection"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "InvoiceSection"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-Delete.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-Delete.json
new file mode 100644
index 00000000000..214c6adef30
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-Delete.json
@@ -0,0 +1,11 @@
+{
+  "name": "Delete",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202,
+    204
+  ],
+  "longRunning": true,
+  "httpMethod": "DELETE",
+  "resourceIdName": "InvoiceSectionId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-Get.json
new file mode 100644
index 00000000000..e0b6debd41f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "InvoiceSection"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..e80c28d5c3e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-ListByBillingProfile.json
@@ -0,0 +1,88 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "includeDeleted",
+      "required": false,
+      "field": "IncludeDeleted",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "InvoiceSection"
+  },
+  "uriSuffix": "/invoiceSections"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-ValidateDeleteEligibility.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-ValidateDeleteEligibility.json
new file mode 100644
index 00000000000..04745d2ad6d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/Operation-ValidateDeleteEligibility.json
@@ -0,0 +1,15 @@
+{
+  "name": "ValidateDeleteEligibility",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DeleteInvoiceSectionEligibilityResult"
+  },
+  "uriSuffix": "/validateDeleteEligibility"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/InvoiceSection/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Constant-PaymentMethodFamily.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Constant-PaymentMethodFamily.json
new file mode 100644
index 00000000000..4d287429026
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Constant-PaymentMethodFamily.json
@@ -0,0 +1,38 @@
+{
+  "name": "PaymentMethodFamily",
+  "type": "String",
+  "values": [
+    {
+      "key": "CheckWire",
+      "value": "CheckWire"
+    },
+    {
+      "key": "CreditCard",
+      "value": "CreditCard"
+    },
+    {
+      "key": "Credits",
+      "value": "Credits"
+    },
+    {
+      "key": "DirectDebit",
+      "value": "DirectDebit"
+    },
+    {
+      "key": "EWallet",
+      "value": "EWallet"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "TaskOrder",
+      "value": "TaskOrder"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Constant-PaymentMethodStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Constant-PaymentMethodStatus.json
new file mode 100644
index 00000000000..fef20375e1a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Constant-PaymentMethodStatus.json
@@ -0,0 +1,14 @@
+{
+  "name": "PaymentMethodStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "active"
+    },
+    {
+      "key": "Inactive",
+      "value": "inactive"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethod.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethod.json
new file mode 100644
index 00000000000..bfcb6ac4329
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethod.json
@@ -0,0 +1,83 @@
+{
+  "name": "PaymentMethod",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLink.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLink.json
new file mode 100644
index 00000000000..43dd587afbe
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLink.json
@@ -0,0 +1,83 @@
+{
+  "name": "PaymentMethodLink",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodLinkProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLinkProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLinkProperties.json
new file mode 100644
index 00000000000..a18371effb5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLinkProperties.json
@@ -0,0 +1,139 @@
+{
+  "name": "PaymentMethodLinkProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountHolderName",
+      "name": "AccountHolderName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiration",
+      "name": "Expiration",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "family",
+      "name": "Family",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodFamily"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastFourDigits",
+      "name": "LastFourDigits",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "logos",
+      "name": "Logos",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PaymentMethodLogo"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethod",
+      "name": "PaymentMethod",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethodId",
+      "name": "PaymentMethodId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethodType",
+      "name": "PaymentMethodType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLogo.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLogo.json
new file mode 100644
index 00000000000..04784b911f1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodLogo.json
@@ -0,0 +1,31 @@
+{
+  "name": "PaymentMethodLogo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mimeType",
+      "name": "MimeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "url",
+      "name": "Url",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodProperties.json
new file mode 100644
index 00000000000..2df32dc0e80
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Model-PaymentMethodProperties.json
@@ -0,0 +1,139 @@
+{
+  "name": "PaymentMethodProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountHolderName",
+      "name": "AccountHolderName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiration",
+      "name": "Expiration",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "family",
+      "name": "Family",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodFamily"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastFourDigits",
+      "name": "LastFourDigits",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "logos",
+      "name": "Logos",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PaymentMethodLogo"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentMethodType",
+      "name": "PaymentMethodType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentMethodStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-DeleteAtBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-DeleteAtBillingProfile.json
new file mode 100644
index 00000000000..107de5cfe6e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-DeleteAtBillingProfile.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteAtBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    202,
+    204
+  ],
+  "longRunning": true,
+  "httpMethod": "DELETE",
+  "resourceIdName": "PaymentMethodLinkId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-DeleteByUser.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-DeleteByUser.json
new file mode 100644
index 00000000000..c0a3c4e72b6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-DeleteByUser.json
@@ -0,0 +1,11 @@
+{
+  "name": "DeleteByUser",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    204
+  ],
+  "longRunning": false,
+  "httpMethod": "DELETE",
+  "resourceIdName": "PaymentMethodId"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..e60a1f8dfe3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByBillingAccount.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountPaymentMethodId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentMethod"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByBillingProfile.json
new file mode 100644
index 00000000000..c06d4eb4b36
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByBillingProfile.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "PaymentMethodLinkId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentMethodLink"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByUser.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByUser.json
new file mode 100644
index 00000000000..0acc104e80e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-GetByUser.json
@@ -0,0 +1,14 @@
+{
+  "name": "GetByUser",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "PaymentMethodId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentMethod"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..e23f3dc278a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByBillingAccount.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentMethod"
+  },
+  "uriSuffix": "/paymentMethods"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..f04d03f1143
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByBillingProfile.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentMethodLink"
+  },
+  "uriSuffix": "/paymentMethodLinks"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByUser.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByUser.json
new file mode 100644
index 00000000000..db39f8cb8b8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/Operation-ListByUser.json
@@ -0,0 +1,15 @@
+{
+  "name": "ListByUser",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PaymentMethod"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/paymentMethods"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingAccountPaymentMethodId.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingAccountPaymentMethodId.json
new file mode 100644
index 00000000000..23df3bbde86
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingAccountPaymentMethodId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingAccountPaymentMethodId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/paymentMethods/{paymentMethodName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticPaymentMethods",
+      "type": "Static",
+      "value": "paymentMethods"
+    },
+    {
+      "name": "paymentMethodName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-PaymentMethodId.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-PaymentMethodId.json
new file mode 100644
index 00000000000..6c4532a842f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-PaymentMethodId.json
@@ -0,0 +1,25 @@
+{
+  "name": "PaymentMethodId",
+  "id": "/providers/Microsoft.Billing/paymentMethods/{paymentMethodName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticPaymentMethods",
+      "type": "Static",
+      "value": "paymentMethods"
+    },
+    {
+      "name": "paymentMethodName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-PaymentMethodLinkId.json b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-PaymentMethodLinkId.json
new file mode 100644
index 00000000000..ebd8dc9b34a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/PaymentMethods/ResourceId-PaymentMethodLinkId.json
@@ -0,0 +1,43 @@
+{
+  "name": "PaymentMethodLinkId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/paymentMethodLinks/{paymentMethodLinkName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticPaymentMethodLinks",
+      "type": "Static",
+      "value": "paymentMethodLinks"
+    },
+    {
+      "name": "paymentMethodLinkName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentAccountOwnerViewCharges.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentAccountOwnerViewCharges.json
new file mode 100644
index 00000000000..61c1a3ad541
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentAccountOwnerViewCharges.json
@@ -0,0 +1,22 @@
+{
+  "name": "EnrollmentAccountOwnerViewCharges",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentAuthLevelState.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentAuthLevelState.json
new file mode 100644
index 00000000000..a86a3637c5a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentAuthLevelState.json
@@ -0,0 +1,26 @@
+{
+  "name": "EnrollmentAuthLevelState",
+  "type": "String",
+  "values": [
+    {
+      "key": "MicrosoftAccountOnly",
+      "value": "MicrosoftAccountOnly"
+    },
+    {
+      "key": "MixedAccount",
+      "value": "MixedAccount"
+    },
+    {
+      "key": "OrganizationalAccountCrossTenant",
+      "value": "OrganizationalAccountCrossTenant"
+    },
+    {
+      "key": "OrganizationalAccountOnly",
+      "value": "OrganizationalAccountOnly"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentDepartmentAdminViewCharges.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentDepartmentAdminViewCharges.json
new file mode 100644
index 00000000000..91d5f4650eb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-EnrollmentDepartmentAdminViewCharges.json
@@ -0,0 +1,22 @@
+{
+  "name": "EnrollmentDepartmentAdminViewCharges",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-InvoiceSectionLabelManagementPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-InvoiceSectionLabelManagementPolicy.json
new file mode 100644
index 00000000000..7e75cd84a83
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-InvoiceSectionLabelManagementPolicy.json
@@ -0,0 +1,18 @@
+{
+  "name": "InvoiceSectionLabelManagementPolicy",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-MarketplacePurchasesPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-MarketplacePurchasesPolicy.json
new file mode 100644
index 00000000000..05e437a9fe3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-MarketplacePurchasesPolicy.json
@@ -0,0 +1,26 @@
+{
+  "name": "MarketplacePurchasesPolicy",
+  "type": "String",
+  "values": [
+    {
+      "key": "AllAllowed",
+      "value": "AllAllowed"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "OnlyFreeAllowed",
+      "value": "OnlyFreeAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-PolicyType.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-PolicyType.json
new file mode 100644
index 00000000000..3d7a891b479
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-PolicyType.json
@@ -0,0 +1,18 @@
+{
+  "name": "PolicyType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "SystemControlled",
+      "value": "SystemControlled"
+    },
+    {
+      "key": "UserControlled",
+      "value": "UserControlled"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..afd12260df4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ProvisioningState.json
@@ -0,0 +1,30 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "New",
+      "value": "New"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Provisioning",
+      "value": "Provisioning"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ReservationPurchasesPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ReservationPurchasesPolicy.json
new file mode 100644
index 00000000000..823be2058dd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ReservationPurchasesPolicy.json
@@ -0,0 +1,22 @@
+{
+  "name": "ReservationPurchasesPolicy",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-SavingsPlanPurchasesPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-SavingsPlanPurchasesPolicy.json
new file mode 100644
index 00000000000..341f44451b7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-SavingsPlanPurchasesPolicy.json
@@ -0,0 +1,22 @@
+{
+  "name": "SavingsPlanPurchasesPolicy",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ViewChargesPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ViewChargesPolicy.json
new file mode 100644
index 00000000000..fed94cb6af4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Constant-ViewChargesPolicy.json
@@ -0,0 +1,18 @@
+{
+  "name": "ViewChargesPolicy",
+  "type": "String",
+  "values": [
+    {
+      "key": "Allowed",
+      "value": "Allowed"
+    },
+    {
+      "key": "NotAllowed",
+      "value": "NotAllowed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingAccountPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingAccountPolicy.json
new file mode 100644
index 00000000000..5e3176b95ca
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingAccountPolicy.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingAccountPolicy",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingAccountPolicyProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingAccountPolicyProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingAccountPolicyProperties.json
new file mode 100644
index 00000000000..5c1d89346f9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingAccountPolicyProperties.json
@@ -0,0 +1,87 @@
+{
+  "name": "BillingAccountPolicyProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enterpriseAgreementPolicies",
+      "name": "EnterpriseAgreementPolicies",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnterpriseAgreementPolicies"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "marketplacePurchases",
+      "name": "MarketplacePurchases",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "MarketplacePurchasesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "policies",
+      "name": "Policies",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PolicySummary"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservationPurchases",
+      "name": "ReservationPurchases",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchasesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "savingsPlanPurchases",
+      "name": "SavingsPlanPurchases",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanPurchasesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingProfilePolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingProfilePolicy.json
new file mode 100644
index 00000000000..469d1c90d07
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingProfilePolicy.json
@@ -0,0 +1,83 @@
+{
+  "name": "BillingProfilePolicy",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingProfilePolicyProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingProfilePolicyProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingProfilePolicyProperties.json
new file mode 100644
index 00000000000..897762e0ac6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-BillingProfilePolicyProperties.json
@@ -0,0 +1,113 @@
+{
+  "name": "BillingProfilePolicyProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enterpriseAgreementPolicies",
+      "name": "EnterpriseAgreementPolicies",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnterpriseAgreementPolicies"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionLabelManagement",
+      "name": "InvoiceSectionLabelManagement",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InvoiceSectionLabelManagementPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "marketplacePurchases",
+      "name": "MarketplacePurchases",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "MarketplacePurchasesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "policies",
+      "name": "Policies",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PolicySummary"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservationPurchases",
+      "name": "ReservationPurchases",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchasesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "savingsPlanPurchases",
+      "name": "SavingsPlanPurchases",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanPurchasesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "viewCharges",
+      "name": "ViewCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ViewChargesPolicy"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-CustomerPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-CustomerPolicy.json
new file mode 100644
index 00000000000..3fdfeca4338
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-CustomerPolicy.json
@@ -0,0 +1,83 @@
+{
+  "name": "CustomerPolicy",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CustomerPolicyProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-CustomerPolicyProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-CustomerPolicyProperties.json
new file mode 100644
index 00000000000..d2c22077ac0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-CustomerPolicyProperties.json
@@ -0,0 +1,48 @@
+{
+  "name": "CustomerPolicyProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "policies",
+      "name": "Policies",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PolicySummary"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "viewCharges",
+      "name": "ViewCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ViewChargesPolicy"
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-EnterpriseAgreementPolicies.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-EnterpriseAgreementPolicies.json
new file mode 100644
index 00000000000..dc347a75fc2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-EnterpriseAgreementPolicies.json
@@ -0,0 +1,44 @@
+{
+  "name": "EnterpriseAgreementPolicies",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "accountOwnerViewCharges",
+      "name": "AccountOwnerViewCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentAccountOwnerViewCharges"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "authenticationType",
+      "name": "AuthenticationType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentAuthLevelState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "departmentAdminViewCharges",
+      "name": "DepartmentAdminViewCharges",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "EnrollmentDepartmentAdminViewCharges"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-PolicySummary.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-PolicySummary.json
new file mode 100644
index 00000000000..4c564d5400f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-PolicySummary.json
@@ -0,0 +1,57 @@
+{
+  "name": "PolicySummary",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "policyType",
+      "name": "PolicyType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PolicyType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "scope",
+      "name": "Scope",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-SubscriptionPolicy.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-SubscriptionPolicy.json
new file mode 100644
index 00000000000..52791d2ffdd
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-SubscriptionPolicy.json
@@ -0,0 +1,83 @@
+{
+  "name": "SubscriptionPolicy",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SubscriptionPolicyProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-SubscriptionPolicyProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-SubscriptionPolicyProperties.json
new file mode 100644
index 00000000000..01f00989843
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Model-SubscriptionPolicyProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "SubscriptionPolicyProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "policies",
+      "name": "Policies",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PolicySummary"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByBillingAccount.json
new file mode 100644
index 00000000000..f1966668661
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByBillingAccount.json
@@ -0,0 +1,20 @@
+{
+  "name": "PoliciesCreateOrUpdateByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingAccountId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccountPolicy"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccountPolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByBillingProfile.json
new file mode 100644
index 00000000000..6ea23095b4d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByBillingProfile.json
@@ -0,0 +1,20 @@
+{
+  "name": "PoliciesCreateOrUpdateByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingProfileId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfilePolicy"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfilePolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByCustomer.json
new file mode 100644
index 00000000000..99ff3fd900c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByCustomer.json
@@ -0,0 +1,20 @@
+{
+  "name": "PoliciesCreateOrUpdateByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "BillingProfileCustomerId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CustomerPolicy"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "CustomerPolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByCustomerAtBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByCustomerAtBillingAccount.json
new file mode 100644
index 00000000000..cd1fe1d8c91
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesCreateOrUpdateByCustomerAtBillingAccount.json
@@ -0,0 +1,20 @@
+{
+  "name": "PoliciesCreateOrUpdateByCustomerAtBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": true,
+  "httpMethod": "PUT",
+  "resourceIdName": "CustomerId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "CustomerPolicy"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "CustomerPolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByBillingAccount.json
new file mode 100644
index 00000000000..5c9d40ce9ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByBillingAccount.json
@@ -0,0 +1,15 @@
+{
+  "name": "PoliciesGetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingAccountPolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByBillingProfile.json
new file mode 100644
index 00000000000..0523a95cca2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByBillingProfile.json
@@ -0,0 +1,15 @@
+{
+  "name": "PoliciesGetByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "BillingProfilePolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByCustomer.json
new file mode 100644
index 00000000000..acd5fb4d923
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByCustomer.json
@@ -0,0 +1,15 @@
+{
+  "name": "PoliciesGetByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "CustomerPolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByCustomerAtBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByCustomerAtBillingAccount.json
new file mode 100644
index 00000000000..69dde45e69b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetByCustomerAtBillingAccount.json
@@ -0,0 +1,15 @@
+{
+  "name": "PoliciesGetByCustomerAtBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "CustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "CustomerPolicy"
+  },
+  "uriSuffix": "/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetBySubscription.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetBySubscription.json
new file mode 100644
index 00000000000..ccc1d34e4f1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/Operation-PoliciesGetBySubscription.json
@@ -0,0 +1,15 @@
+{
+  "name": "PoliciesGetBySubscription",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "SubscriptionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SubscriptionPolicy"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/policies/default"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-CustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-CustomerId.json
new file mode 100644
index 00000000000..236dcecf27d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-CustomerId.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-SubscriptionId.json b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-SubscriptionId.json
new file mode 100644
index 00000000000..25706667298
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Policy/ResourceId-SubscriptionId.json
@@ -0,0 +1,16 @@
+{
+  "name": "SubscriptionId",
+  "commonAlias": "Subscription",
+  "id": "/subscriptions/{subscriptionId}",
+  "segments": [
+    {
+      "name": "subscriptions",
+      "type": "Static",
+      "value": "subscriptions"
+    },
+    {
+      "name": "subscriptionId",
+      "type": "SubscriptionId"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-AutoRenew.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-AutoRenew.json
new file mode 100644
index 00000000000..0fda369ebc6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-AutoRenew.json
@@ -0,0 +1,14 @@
+{
+  "name": "AutoRenew",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-MoveValidationErrorCode.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-MoveValidationErrorCode.json
new file mode 100644
index 00000000000..7b3ba7a13f1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-MoveValidationErrorCode.json
@@ -0,0 +1,74 @@
+{
+  "name": "MoveValidationErrorCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "BillingAccountInactive",
+      "value": "BillingAccountInactive"
+    },
+    {
+      "key": "DestinationBillingProfileInactive",
+      "value": "DestinationBillingProfileInactive"
+    },
+    {
+      "key": "DestinationBillingProfileNotFound",
+      "value": "DestinationBillingProfileNotFound"
+    },
+    {
+      "key": "DestinationBillingProfilePastDue",
+      "value": "DestinationBillingProfilePastDue"
+    },
+    {
+      "key": "DestinationInvoiceSectionInactive",
+      "value": "DestinationInvoiceSectionInactive"
+    },
+    {
+      "key": "DestinationInvoiceSectionNotFound",
+      "value": "DestinationInvoiceSectionNotFound"
+    },
+    {
+      "key": "InsufficientPermissionOnDestination",
+      "value": "InsufficientPermissionOnDestination"
+    },
+    {
+      "key": "InsufficientPermissionOnSource",
+      "value": "InsufficientPermissionOnSource"
+    },
+    {
+      "key": "InvalidDestination",
+      "value": "InvalidDestination"
+    },
+    {
+      "key": "InvalidSource",
+      "value": "InvalidSource"
+    },
+    {
+      "key": "MarketplaceNotEnabledOnDestination",
+      "value": "MarketplaceNotEnabledOnDestination"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "ProductInactive",
+      "value": "ProductInactive"
+    },
+    {
+      "key": "ProductNotFound",
+      "value": "ProductNotFound"
+    },
+    {
+      "key": "ProductTypeNotSupported",
+      "value": "ProductTypeNotSupported"
+    },
+    {
+      "key": "SourceBillingProfilePastDue",
+      "value": "SourceBillingProfilePastDue"
+    },
+    {
+      "key": "SourceInvoiceSectionInactive",
+      "value": "SourceInvoiceSectionInactive"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-ProductStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-ProductStatus.json
new file mode 100644
index 00000000000..5aab261dabb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Constant-ProductStatus.json
@@ -0,0 +1,46 @@
+{
+  "name": "ProductStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "AutoRenew",
+      "value": "AutoRenew"
+    },
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Deleted",
+      "value": "Deleted"
+    },
+    {
+      "key": "Disabled",
+      "value": "Disabled"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Expiring",
+      "value": "Expiring"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "PastDue",
+      "value": "PastDue"
+    },
+    {
+      "key": "Suspended",
+      "value": "Suspended"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Amount.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Amount.json
new file mode 100644
index 00000000000..e0b18577397
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Amount.json
@@ -0,0 +1,31 @@
+{
+  "name": "Amount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductEligibilityResult.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductEligibilityResult.json
new file mode 100644
index 00000000000..b11535658bb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductEligibilityResult.json
@@ -0,0 +1,31 @@
+{
+  "name": "MoveProductEligibilityResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "errorDetails",
+      "name": "ErrorDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "MoveProductErrorDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isMoveEligible",
+      "name": "IsMoveEligible",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductErrorDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductErrorDetails.json
new file mode 100644
index 00000000000..43d1acae542
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductErrorDetails.json
@@ -0,0 +1,44 @@
+{
+  "name": "MoveProductErrorDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "MoveValidationErrorCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "details",
+      "name": "Details",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductRequest.json
new file mode 100644
index 00000000000..668d4e57451
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-MoveProductRequest.json
@@ -0,0 +1,18 @@
+{
+  "name": "MoveProductRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "destinationInvoiceSectionId",
+      "name": "DestinationInvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Product.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Product.json
new file mode 100644
index 00000000000..0e72917e56f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Product.json
@@ -0,0 +1,83 @@
+{
+  "name": "Product",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-ProductPatch.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-ProductPatch.json
new file mode 100644
index 00000000000..715799f6b1d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-ProductPatch.json
@@ -0,0 +1,83 @@
+{
+  "name": "ProductPatch",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-ProductProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-ProductProperties.json
new file mode 100644
index 00000000000..36db0e21f6f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-ProductProperties.json
@@ -0,0 +1,291 @@
+{
+  "name": "ProductProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "autoRenew",
+      "name": "AutoRenew",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AutoRenew"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "availabilityId",
+      "name": "AvailabilityId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingFrequency",
+      "name": "BillingFrequency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "endDate",
+      "name": "EndDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastCharge",
+      "name": "LastCharge",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "lastChargeDate",
+      "name": "LastChargeDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productTypeId",
+      "name": "ProductTypeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reseller",
+      "name": "Reseller",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Reseller"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuId",
+      "name": "SkuId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Reseller.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Reseller.json
new file mode 100644
index 00000000000..2a08fa80cc7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Model-Reseller.json
@@ -0,0 +1,31 @@
+{
+  "name": "Reseller",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "description",
+      "name": "Description",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerId",
+      "name": "ResellerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Get.json
new file mode 100644
index 00000000000..91a9cce510e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "ProductId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..7afbecd1265
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByBillingAccount.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  },
+  "uriSuffix": "/products"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..101129f5752
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByBillingProfile.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  },
+  "uriSuffix": "/products"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..2885dcd37fa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByCustomer.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "CustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  },
+  "uriSuffix": "/products"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..12934af8d70
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ListByInvoiceSection.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  },
+  "uriSuffix": "/products"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Move.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Move.json
new file mode 100644
index 00000000000..56eb4714ed9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Move.json
@@ -0,0 +1,20 @@
+{
+  "name": "Move",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "ProductId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "MoveProductRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  },
+  "uriSuffix": "/move"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Update.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Update.json
new file mode 100644
index 00000000000..819f479786e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-Update.json
@@ -0,0 +1,18 @@
+{
+  "name": "Update",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "PATCH",
+  "resourceIdName": "ProductId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "ProductPatch"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Product"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ValidateMoveEligibility.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ValidateMoveEligibility.json
new file mode 100644
index 00000000000..c87e0beb908
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/Operation-ValidateMoveEligibility.json
@@ -0,0 +1,19 @@
+{
+  "name": "ValidateMoveEligibility",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "ProductId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "MoveProductRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "MoveProductEligibilityResult"
+  },
+  "uriSuffix": "/validateMoveEligibility"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-CustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-CustomerId.json
new file mode 100644
index 00000000000..236dcecf27d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-CustomerId.json
@@ -0,0 +1,34 @@
+{
+  "name": "CustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-ProductId.json b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-ProductId.json
new file mode 100644
index 00000000000..1524fdc21fa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Product/ResourceId-ProductId.json
@@ -0,0 +1,34 @@
+{
+  "name": "ProductId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/products/{productName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticProducts",
+      "type": "Static",
+      "value": "products"
+    },
+    {
+      "name": "productName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-EligibleProductType.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-EligibleProductType.json
new file mode 100644
index 00000000000..019a1169774
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-EligibleProductType.json
@@ -0,0 +1,18 @@
+{
+  "name": "EligibleProductType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AzureReservation",
+      "value": "AzureReservation"
+    },
+    {
+      "key": "DevTestAzureSubscription",
+      "value": "DevTestAzureSubscription"
+    },
+    {
+      "key": "StandardAzureSubscription",
+      "value": "StandardAzureSubscription"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-InitiatorCustomerType.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-InitiatorCustomerType.json
new file mode 100644
index 00000000000..0fa2cd64d38
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-InitiatorCustomerType.json
@@ -0,0 +1,14 @@
+{
+  "name": "InitiatorCustomerType",
+  "type": "String",
+  "values": [
+    {
+      "key": "EA",
+      "value": "EA"
+    },
+    {
+      "key": "Partner",
+      "value": "Partner"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-ProductTransferStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-ProductTransferStatus.json
new file mode 100644
index 00000000000..4e6c7068797
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-ProductTransferStatus.json
@@ -0,0 +1,22 @@
+{
+  "name": "ProductTransferStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "InProgress",
+      "value": "InProgress"
+    },
+    {
+      "key": "NotStarted",
+      "value": "NotStarted"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-ProductType.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-ProductType.json
new file mode 100644
index 00000000000..8a0fb338502
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-ProductType.json
@@ -0,0 +1,26 @@
+{
+  "name": "ProductType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AzureReservation",
+      "value": "AzureReservation"
+    },
+    {
+      "key": "AzureSubscription",
+      "value": "AzureSubscription"
+    },
+    {
+      "key": "Department",
+      "value": "Department"
+    },
+    {
+      "key": "SAAS",
+      "value": "SAAS"
+    },
+    {
+      "key": "SavingsPlan",
+      "value": "SavingsPlan"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-SupportedAccountType.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-SupportedAccountType.json
new file mode 100644
index 00000000000..7e37eaf993a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-SupportedAccountType.json
@@ -0,0 +1,22 @@
+{
+  "name": "SupportedAccountType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Enterprise",
+      "value": "Enterprise"
+    },
+    {
+      "key": "Individual",
+      "value": "Individual"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "Partner",
+      "value": "Partner"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-TransferStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-TransferStatus.json
new file mode 100644
index 00000000000..f86e99e8302
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Constant-TransferStatus.json
@@ -0,0 +1,38 @@
+{
+  "name": "TransferStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "CompletedWithErrors",
+      "value": "CompletedWithErrors"
+    },
+    {
+      "key": "Declined",
+      "value": "Declined"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "InProgress",
+      "value": "InProgress"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-AcceptTransferProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-AcceptTransferProperties.json
new file mode 100644
index 00000000000..6521df8f4a8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-AcceptTransferProperties.json
@@ -0,0 +1,22 @@
+{
+  "name": "AcceptTransferProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productDetails",
+      "name": "ProductDetails",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ProductDetails"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-AcceptTransferRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-AcceptTransferRequest.json
new file mode 100644
index 00000000000..dfff2714fe7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-AcceptTransferRequest.json
@@ -0,0 +1,18 @@
+{
+  "name": "AcceptTransferRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AcceptTransferProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-DetailedTransferStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-DetailedTransferStatus.json
new file mode 100644
index 00000000000..97180b2de0f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-DetailedTransferStatus.json
@@ -0,0 +1,83 @@
+{
+  "name": "DetailedTransferStatus",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "errorDetails",
+      "name": "ErrorDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransferError"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productName",
+      "name": "ProductName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transferStatus",
+      "name": "TransferStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductTransferStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ProductDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ProductDetails.json
new file mode 100644
index 00000000000..43508b8845c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ProductDetails.json
@@ -0,0 +1,31 @@
+{
+  "name": "ProductDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-RecipientTransferDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-RecipientTransferDetails.json
new file mode 100644
index 00000000000..8c7f73da85c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-RecipientTransferDetails.json
@@ -0,0 +1,83 @@
+{
+  "name": "RecipientTransferDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RecipientTransferProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-RecipientTransferProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-RecipientTransferProperties.json
new file mode 100644
index 00000000000..5cecb608275
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-RecipientTransferProperties.json
@@ -0,0 +1,174 @@
+{
+  "name": "RecipientTransferProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "allowedProductType",
+      "name": "AllowedProductType",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "EligibleProductType"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "canceledBy",
+      "name": "CanceledBy",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerTenantId",
+      "name": "CustomerTenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "detailedTransferStatus",
+      "name": "DetailedTransferStatus",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "DetailedTransferStatus"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expirationTime",
+      "name": "ExpirationTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "initiatorCustomerType",
+      "name": "InitiatorCustomerType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InitiatorCustomerType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "initiatorEmailId",
+      "name": "InitiatorEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "recipientEmailId",
+      "name": "RecipientEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerId",
+      "name": "ResellerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerName",
+      "name": "ResellerName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "supportedAccounts",
+      "name": "SupportedAccounts",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "SupportedAccountType"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transferStatus",
+      "name": "TransferStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransferStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-TransferError.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-TransferError.json
new file mode 100644
index 00000000000..a0701de1098
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-TransferError.json
@@ -0,0 +1,31 @@
+{
+  "name": "TransferError",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferListResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferListResponse.json
new file mode 100644
index 00000000000..ed3465108fc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferListResponse.json
@@ -0,0 +1,22 @@
+{
+  "name": "ValidateTransferListResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ValidateTransferResponse"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferResponse.json
new file mode 100644
index 00000000000..62d51736b0f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferResponse.json
@@ -0,0 +1,18 @@
+{
+  "name": "ValidateTransferResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ValidateTransferResponseProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferResponseProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferResponseProperties.json
new file mode 100644
index 00000000000..d950cf2403e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidateTransferResponseProperties.json
@@ -0,0 +1,48 @@
+{
+  "name": "ValidateTransferResponseProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "results",
+      "name": "Results",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ValidationResultProperties"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidationResultProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidationResultProperties.json
new file mode 100644
index 00000000000..d15aea03664
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Model-ValidationResultProperties.json
@@ -0,0 +1,44 @@
+{
+  "name": "ValidationResultProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "level",
+      "name": "Level",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Accept.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Accept.json
new file mode 100644
index 00000000000..f2b943a5478
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Accept.json
@@ -0,0 +1,19 @@
+{
+  "name": "Accept",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "TransferId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "AcceptTransferRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "RecipientTransferDetails"
+  },
+  "uriSuffix": "/accept"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Decline.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Decline.json
new file mode 100644
index 00000000000..22e9bfd7703
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Decline.json
@@ -0,0 +1,15 @@
+{
+  "name": "Decline",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "TransferId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "RecipientTransferDetails"
+  },
+  "uriSuffix": "/decline"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Get.json
new file mode 100644
index 00000000000..ba82e61ff31
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "TransferId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "RecipientTransferDetails"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-List.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-List.json
new file mode 100644
index 00000000000..b368907125b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-List.json
@@ -0,0 +1,15 @@
+{
+  "name": "List",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "RecipientTransferDetails"
+  },
+  "uriSuffix": "/providers/Microsoft.Billing/transfers"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Validate.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Validate.json
new file mode 100644
index 00000000000..2cd15ae75b8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/Operation-Validate.json
@@ -0,0 +1,19 @@
+{
+  "name": "Validate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "TransferId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "AcceptTransferRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "ValidateTransferListResponse"
+  },
+  "uriSuffix": "/validate"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/ResourceId-TransferId.json b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/ResourceId-TransferId.json
new file mode 100644
index 00000000000..a72d862b3cb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/RecipientTransfers/ResourceId-TransferId.json
@@ -0,0 +1,25 @@
+{
+  "name": "TransferId",
+  "id": "/providers/Microsoft.Billing/transfers/{transferName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticTransfers",
+      "type": "Static",
+      "value": "transfers"
+    },
+    {
+      "name": "transferName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-AppliedScopeType.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-AppliedScopeType.json
new file mode 100644
index 00000000000..658df42a5e8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-AppliedScopeType.json
@@ -0,0 +1,18 @@
+{
+  "name": "AppliedScopeType",
+  "type": "String",
+  "values": [
+    {
+      "key": "ManagementGroup",
+      "value": "ManagementGroup"
+    },
+    {
+      "key": "Shared",
+      "value": "Shared"
+    },
+    {
+      "key": "Single",
+      "value": "Single"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-InstanceFlexibility.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-InstanceFlexibility.json
new file mode 100644
index 00000000000..3d65a4469da
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-InstanceFlexibility.json
@@ -0,0 +1,14 @@
+{
+  "name": "InstanceFlexibility",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-ReservationBillingPlan.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-ReservationBillingPlan.json
new file mode 100644
index 00000000000..f72ec96ba84
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-ReservationBillingPlan.json
@@ -0,0 +1,14 @@
+{
+  "name": "ReservationBillingPlan",
+  "type": "String",
+  "values": [
+    {
+      "key": "Monthly",
+      "value": "Monthly"
+    },
+    {
+      "key": "Upfront",
+      "value": "Upfront"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-ReservationStatusCode.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-ReservationStatusCode.json
new file mode 100644
index 00000000000..1e9886908d9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Constant-ReservationStatusCode.json
@@ -0,0 +1,86 @@
+{
+  "name": "ReservationStatusCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "CapacityError",
+      "value": "CapacityError"
+    },
+    {
+      "key": "CapacityRestricted",
+      "value": "CapacityRestricted"
+    },
+    {
+      "key": "CreditLineCheckFailed",
+      "value": "CreditLineCheckFailed"
+    },
+    {
+      "key": "Exchanged",
+      "value": "Exchanged"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Merged",
+      "value": "Merged"
+    },
+    {
+      "key": "NoBenefit",
+      "value": "NoBenefit"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionDeletion",
+      "value": "NoBenefitDueToSubscriptionDeletion"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionTransfer",
+      "value": "NoBenefitDueToSubscriptionTransfer"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "PaymentInstrumentError",
+      "value": "PaymentInstrumentError"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Processing",
+      "value": "Processing"
+    },
+    {
+      "key": "PurchaseError",
+      "value": "PurchaseError"
+    },
+    {
+      "key": "RiskCheckFailed",
+      "value": "RiskCheckFailed"
+    },
+    {
+      "key": "Split",
+      "value": "Split"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    },
+    {
+      "key": "UnknownError",
+      "value": "UnknownError"
+    },
+    {
+      "key": "Warning",
+      "value": "Warning"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ExtendedStatusDefinitionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ExtendedStatusDefinitionProperties.json
new file mode 100644
index 00000000000..20429d4764d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ExtendedStatusDefinitionProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedStatusDefinitionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Patch.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Patch.json
new file mode 100644
index 00000000000..f2b42721f40
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Patch.json
@@ -0,0 +1,44 @@
+{
+  "name": "Patch",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PatchProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSkuProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-PatchProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-PatchProperties.json
new file mode 100644
index 00000000000..0adcb03c9e2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-PatchProperties.json
@@ -0,0 +1,97 @@
+{
+  "name": "PatchProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PatchPropertiesRenewProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-PatchPropertiesRenewProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-PatchPropertiesRenewProperties.json
new file mode 100644
index 00000000000..f1655072891
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-PatchPropertiesRenewProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "PatchPropertiesRenewProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseProperties",
+      "name": "PurchaseProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequest"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Price.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Price.json
new file mode 100644
index 00000000000..4115c948572
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Price.json
@@ -0,0 +1,31 @@
+{
+  "name": "Price",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currencyCode",
+      "name": "CurrencyCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-RenewPropertiesResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-RenewPropertiesResponse.json
new file mode 100644
index 00000000000..d67fea15b45
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-RenewPropertiesResponse.json
@@ -0,0 +1,44 @@
+{
+  "name": "RenewPropertiesResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseProperties",
+      "name": "PurchaseProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequest"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Reservation.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Reservation.json
new file mode 100644
index 00000000000..c7e69569fd6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-Reservation.json
@@ -0,0 +1,122 @@
+{
+  "name": "Reservation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "etag",
+      "name": "Etag",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSkuProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationAppliedScopeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationAppliedScopeProperties.json
new file mode 100644
index 00000000000..a11c56ba03d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationAppliedScopeProperties.json
@@ -0,0 +1,70 @@
+{
+  "name": "ReservationAppliedScopeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "managementGroupId",
+      "name": "ManagementGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceGroupId",
+      "name": "ResourceGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationExtendedStatusInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationExtendedStatusInfo.json
new file mode 100644
index 00000000000..661ce654268
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationExtendedStatusInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationExtendedStatusInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusDefinitionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusCode",
+      "name": "StatusCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationStatusCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationMergeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationMergeProperties.json
new file mode 100644
index 00000000000..0908b087f34
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationMergeProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationMergeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeDestination",
+      "name": "MergeDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeSources",
+      "name": "MergeSources",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationProperty.json
new file mode 100644
index 00000000000..315cf504409
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationProperty.json
@@ -0,0 +1,483 @@
+{
+  "name": "ReservationProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "archived",
+      "name": "Archived",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "capabilities",
+      "name": "Capabilities",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayProvisioningState",
+      "name": "DisplayProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDateTime",
+      "name": "EffectiveDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "lastUpdatedDateTime",
+      "name": "LastUpdatedDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeProperties",
+      "name": "MergeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationMergeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningSubState",
+      "name": "ProvisioningSubState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDateTime",
+      "name": "PurchaseDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewDestination",
+      "name": "RenewDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewPropertiesResponse"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewSource",
+      "name": "RenewSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitProperties",
+      "name": "SplitProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSplitProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapProperties",
+      "name": "SwapProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSwapProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyAppliedScopeType",
+      "name": "UserFriendlyAppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyRenewState",
+      "name": "UserFriendlyRenewState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "utilization",
+      "name": "Utilization",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPropertyUtilization"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPropertyUtilization.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPropertyUtilization.json
new file mode 100644
index 00000000000..b815bd5a948
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPropertyUtilization.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationPropertyUtilization",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "aggregates",
+      "name": "Aggregates",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ReservationUtilizationAggregates"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "trend",
+      "name": "Trend",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequest.json
new file mode 100644
index 00000000000..59de8e1b541
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequest.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationPurchaseRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SkuName"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequestProperties.json
new file mode 100644
index 00000000000..0af036ce2e3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequestProperties.json
@@ -0,0 +1,179 @@
+{
+  "name": "ReservationPurchaseRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceProperties",
+      "name": "ReservedResourceProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestPropertiesReservedResourceProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
new file mode 100644
index 00000000000..f6118ab753c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationPurchaseRequestPropertiesReservedResourceProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSkuProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSkuProperty.json
new file mode 100644
index 00000000000..25014400e74
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSkuProperty.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationSkuProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSplitProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSplitProperties.json
new file mode 100644
index 00000000000..f7b8e44ca1b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSplitProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationSplitProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitDestinations",
+      "name": "SplitDestinations",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitSource",
+      "name": "SplitSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSwapProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSwapProperties.json
new file mode 100644
index 00000000000..99229b6ff5d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationSwapProperties.json
@@ -0,0 +1,31 @@
+{
+  "name": "ReservationSwapProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapDestination",
+      "name": "SwapDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapSource",
+      "name": "SwapSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationUtilizationAggregates.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationUtilizationAggregates.json
new file mode 100644
index 00000000000..7ec4b0698ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-ReservationUtilizationAggregates.json
@@ -0,0 +1,57 @@
+{
+  "name": "ReservationUtilizationAggregates",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grain",
+      "name": "Grain",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grainUnit",
+      "name": "GrainUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "valueUnit",
+      "name": "ValueUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-SkuName.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-SkuName.json
new file mode 100644
index 00000000000..3148f59883a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Model-SkuName.json
@@ -0,0 +1,18 @@
+{
+  "name": "SkuName",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Operation-GetByReservationOrder.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Operation-GetByReservationOrder.json
new file mode 100644
index 00000000000..2712135e5ae
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Operation-GetByReservationOrder.json
@@ -0,0 +1,26 @@
+{
+  "name": "GetByReservationOrder",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "ReservationId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Reservation"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Operation-UpdateByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Operation-UpdateByBillingAccount.json
new file mode 100644
index 00000000000..526e5b6e113
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/Operation-UpdateByBillingAccount.json
@@ -0,0 +1,19 @@
+{
+  "name": "UpdateByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PATCH",
+  "resourceIdName": "ReservationId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "Patch"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Reservation"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservation/ResourceId-ReservationId.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/ResourceId-ReservationId.json
new file mode 100644
index 00000000000..04ca83ab1e1
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservation/ResourceId-ReservationId.json
@@ -0,0 +1,43 @@
+{
+  "name": "ReservationId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/reservationOrders/{reservationOrderId}/reservations/{reservationId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticReservationOrders",
+      "type": "Static",
+      "value": "reservationOrders"
+    },
+    {
+      "name": "reservationOrderId",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticReservations",
+      "type": "Static",
+      "value": "reservations"
+    },
+    {
+      "name": "reservationId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-AppliedScopeType.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-AppliedScopeType.json
new file mode 100644
index 00000000000..658df42a5e8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-AppliedScopeType.json
@@ -0,0 +1,18 @@
+{
+  "name": "AppliedScopeType",
+  "type": "String",
+  "values": [
+    {
+      "key": "ManagementGroup",
+      "value": "ManagementGroup"
+    },
+    {
+      "key": "Shared",
+      "value": "Shared"
+    },
+    {
+      "key": "Single",
+      "value": "Single"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-InstanceFlexibility.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-InstanceFlexibility.json
new file mode 100644
index 00000000000..3d65a4469da
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-InstanceFlexibility.json
@@ -0,0 +1,14 @@
+{
+  "name": "InstanceFlexibility",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-PaymentStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-PaymentStatus.json
new file mode 100644
index 00000000000..acafb3002c7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-PaymentStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "PaymentStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Scheduled",
+      "value": "Scheduled"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-ReservationBillingPlan.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-ReservationBillingPlan.json
new file mode 100644
index 00000000000..f72ec96ba84
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-ReservationBillingPlan.json
@@ -0,0 +1,14 @@
+{
+  "name": "ReservationBillingPlan",
+  "type": "String",
+  "values": [
+    {
+      "key": "Monthly",
+      "value": "Monthly"
+    },
+    {
+      "key": "Upfront",
+      "value": "Upfront"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-ReservationStatusCode.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-ReservationStatusCode.json
new file mode 100644
index 00000000000..1e9886908d9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Constant-ReservationStatusCode.json
@@ -0,0 +1,86 @@
+{
+  "name": "ReservationStatusCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "CapacityError",
+      "value": "CapacityError"
+    },
+    {
+      "key": "CapacityRestricted",
+      "value": "CapacityRestricted"
+    },
+    {
+      "key": "CreditLineCheckFailed",
+      "value": "CreditLineCheckFailed"
+    },
+    {
+      "key": "Exchanged",
+      "value": "Exchanged"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Merged",
+      "value": "Merged"
+    },
+    {
+      "key": "NoBenefit",
+      "value": "NoBenefit"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionDeletion",
+      "value": "NoBenefitDueToSubscriptionDeletion"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionTransfer",
+      "value": "NoBenefitDueToSubscriptionTransfer"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "PaymentInstrumentError",
+      "value": "PaymentInstrumentError"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Processing",
+      "value": "Processing"
+    },
+    {
+      "key": "PurchaseError",
+      "value": "PurchaseError"
+    },
+    {
+      "key": "RiskCheckFailed",
+      "value": "RiskCheckFailed"
+    },
+    {
+      "key": "Split",
+      "value": "Split"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    },
+    {
+      "key": "UnknownError",
+      "value": "UnknownError"
+    },
+    {
+      "key": "Warning",
+      "value": "Warning"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ExtendedStatusDefinitionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ExtendedStatusDefinitionProperties.json
new file mode 100644
index 00000000000..20429d4764d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ExtendedStatusDefinitionProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedStatusDefinitionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-Price.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-Price.json
new file mode 100644
index 00000000000..4115c948572
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-Price.json
@@ -0,0 +1,31 @@
+{
+  "name": "Price",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currencyCode",
+      "name": "CurrencyCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-RenewPropertiesResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-RenewPropertiesResponse.json
new file mode 100644
index 00000000000..d67fea15b45
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-RenewPropertiesResponse.json
@@ -0,0 +1,44 @@
+{
+  "name": "RenewPropertiesResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseProperties",
+      "name": "PurchaseProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequest"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-Reservation.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-Reservation.json
new file mode 100644
index 00000000000..c7e69569fd6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-Reservation.json
@@ -0,0 +1,122 @@
+{
+  "name": "Reservation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "etag",
+      "name": "Etag",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSkuProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationAppliedScopeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationAppliedScopeProperties.json
new file mode 100644
index 00000000000..a11c56ba03d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationAppliedScopeProperties.json
@@ -0,0 +1,70 @@
+{
+  "name": "ReservationAppliedScopeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "managementGroupId",
+      "name": "ManagementGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceGroupId",
+      "name": "ResourceGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationExtendedStatusInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationExtendedStatusInfo.json
new file mode 100644
index 00000000000..661ce654268
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationExtendedStatusInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationExtendedStatusInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusDefinitionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusCode",
+      "name": "StatusCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationStatusCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationMergeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationMergeProperties.json
new file mode 100644
index 00000000000..0908b087f34
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationMergeProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationMergeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeDestination",
+      "name": "MergeDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeSources",
+      "name": "MergeSources",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrder.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrder.json
new file mode 100644
index 00000000000..e7da1fd15b0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrder.json
@@ -0,0 +1,96 @@
+{
+  "name": "ReservationOrder",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "etag",
+      "name": "Etag",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationOrderProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrderBillingPlanInformation.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrderBillingPlanInformation.json
new file mode 100644
index 00000000000..1270c71fbdf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrderBillingPlanInformation.json
@@ -0,0 +1,61 @@
+{
+  "name": "ReservationOrderBillingPlanInformation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "nextPaymentDueDate",
+      "name": "NextPaymentDueDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transactions",
+      "name": "Transactions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ReservationPaymentDetail"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrderProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrderProperty.json
new file mode 100644
index 00000000000..90c9cf4902f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationOrderProperty.json
@@ -0,0 +1,261 @@
+{
+  "name": "ReservationOrderProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "createdDateTime",
+      "name": "CreatedDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentId",
+      "name": "EnrollmentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "originalQuantity",
+      "name": "OriginalQuantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "planInformation",
+      "name": "PlanInformation",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationOrderBillingPlanInformation"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "requestDateTime",
+      "name": "RequestDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservations",
+      "name": "Reservations",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "Reservation"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPaymentDetail.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPaymentDetail.json
new file mode 100644
index 00000000000..0632a732020
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPaymentDetail.json
@@ -0,0 +1,96 @@
+{
+  "name": "ReservationPaymentDetail",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccount",
+      "name": "BillingAccount",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "dueDate",
+      "name": "DueDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentDate",
+      "name": "PaymentDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationProperty.json
new file mode 100644
index 00000000000..315cf504409
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationProperty.json
@@ -0,0 +1,483 @@
+{
+  "name": "ReservationProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "archived",
+      "name": "Archived",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "capabilities",
+      "name": "Capabilities",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayProvisioningState",
+      "name": "DisplayProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDateTime",
+      "name": "EffectiveDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "lastUpdatedDateTime",
+      "name": "LastUpdatedDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeProperties",
+      "name": "MergeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationMergeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningSubState",
+      "name": "ProvisioningSubState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDateTime",
+      "name": "PurchaseDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewDestination",
+      "name": "RenewDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewPropertiesResponse"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewSource",
+      "name": "RenewSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitProperties",
+      "name": "SplitProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSplitProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapProperties",
+      "name": "SwapProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSwapProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyAppliedScopeType",
+      "name": "UserFriendlyAppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyRenewState",
+      "name": "UserFriendlyRenewState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "utilization",
+      "name": "Utilization",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPropertyUtilization"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPropertyUtilization.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPropertyUtilization.json
new file mode 100644
index 00000000000..b815bd5a948
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPropertyUtilization.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationPropertyUtilization",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "aggregates",
+      "name": "Aggregates",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ReservationUtilizationAggregates"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "trend",
+      "name": "Trend",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequest.json
new file mode 100644
index 00000000000..59de8e1b541
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequest.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationPurchaseRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SkuName"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequestProperties.json
new file mode 100644
index 00000000000..0af036ce2e3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequestProperties.json
@@ -0,0 +1,179 @@
+{
+  "name": "ReservationPurchaseRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceProperties",
+      "name": "ReservedResourceProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestPropertiesReservedResourceProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
new file mode 100644
index 00000000000..f6118ab753c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationPurchaseRequestPropertiesReservedResourceProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSkuProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSkuProperty.json
new file mode 100644
index 00000000000..25014400e74
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSkuProperty.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationSkuProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSplitProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSplitProperties.json
new file mode 100644
index 00000000000..f7b8e44ca1b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSplitProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationSplitProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitDestinations",
+      "name": "SplitDestinations",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitSource",
+      "name": "SplitSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSwapProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSwapProperties.json
new file mode 100644
index 00000000000..99229b6ff5d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationSwapProperties.json
@@ -0,0 +1,31 @@
+{
+  "name": "ReservationSwapProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapDestination",
+      "name": "SwapDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapSource",
+      "name": "SwapSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationUtilizationAggregates.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationUtilizationAggregates.json
new file mode 100644
index 00000000000..7ec4b0698ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-ReservationUtilizationAggregates.json
@@ -0,0 +1,57 @@
+{
+  "name": "ReservationUtilizationAggregates",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grain",
+      "name": "Grain",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grainUnit",
+      "name": "GrainUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "valueUnit",
+      "name": "ValueUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-SkuName.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-SkuName.json
new file mode 100644
index 00000000000..3148f59883a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Model-SkuName.json
@@ -0,0 +1,18 @@
+{
+  "name": "SkuName",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..91826e0af09
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/Operation-GetByBillingAccount.json
@@ -0,0 +1,26 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "ReservationOrderId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "ReservationOrder"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/ResourceId-ReservationOrderId.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/ResourceId-ReservationOrderId.json
new file mode 100644
index 00000000000..329ccca9464
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrder/ResourceId-ReservationOrderId.json
@@ -0,0 +1,34 @@
+{
+  "name": "ReservationOrderId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/reservationOrders/{reservationOrderId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticReservationOrders",
+      "type": "Static",
+      "value": "reservationOrders"
+    },
+    {
+      "name": "reservationOrderId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-AppliedScopeType.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-AppliedScopeType.json
new file mode 100644
index 00000000000..658df42a5e8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-AppliedScopeType.json
@@ -0,0 +1,18 @@
+{
+  "name": "AppliedScopeType",
+  "type": "String",
+  "values": [
+    {
+      "key": "ManagementGroup",
+      "value": "ManagementGroup"
+    },
+    {
+      "key": "Shared",
+      "value": "Shared"
+    },
+    {
+      "key": "Single",
+      "value": "Single"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-InstanceFlexibility.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-InstanceFlexibility.json
new file mode 100644
index 00000000000..3d65a4469da
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-InstanceFlexibility.json
@@ -0,0 +1,14 @@
+{
+  "name": "InstanceFlexibility",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-PaymentStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-PaymentStatus.json
new file mode 100644
index 00000000000..acafb3002c7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-PaymentStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "PaymentStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Scheduled",
+      "value": "Scheduled"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationBillingPlan.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationBillingPlan.json
new file mode 100644
index 00000000000..f72ec96ba84
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationBillingPlan.json
@@ -0,0 +1,14 @@
+{
+  "name": "ReservationBillingPlan",
+  "type": "String",
+  "values": [
+    {
+      "key": "Monthly",
+      "value": "Monthly"
+    },
+    {
+      "key": "Upfront",
+      "value": "Upfront"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationStatusCode.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationStatusCode.json
new file mode 100644
index 00000000000..1e9886908d9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Constant-ReservationStatusCode.json
@@ -0,0 +1,86 @@
+{
+  "name": "ReservationStatusCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "CapacityError",
+      "value": "CapacityError"
+    },
+    {
+      "key": "CapacityRestricted",
+      "value": "CapacityRestricted"
+    },
+    {
+      "key": "CreditLineCheckFailed",
+      "value": "CreditLineCheckFailed"
+    },
+    {
+      "key": "Exchanged",
+      "value": "Exchanged"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Merged",
+      "value": "Merged"
+    },
+    {
+      "key": "NoBenefit",
+      "value": "NoBenefit"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionDeletion",
+      "value": "NoBenefitDueToSubscriptionDeletion"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionTransfer",
+      "value": "NoBenefitDueToSubscriptionTransfer"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "PaymentInstrumentError",
+      "value": "PaymentInstrumentError"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Processing",
+      "value": "Processing"
+    },
+    {
+      "key": "PurchaseError",
+      "value": "PurchaseError"
+    },
+    {
+      "key": "RiskCheckFailed",
+      "value": "RiskCheckFailed"
+    },
+    {
+      "key": "Split",
+      "value": "Split"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    },
+    {
+      "key": "UnknownError",
+      "value": "UnknownError"
+    },
+    {
+      "key": "Warning",
+      "value": "Warning"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ExtendedStatusDefinitionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ExtendedStatusDefinitionProperties.json
new file mode 100644
index 00000000000..20429d4764d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ExtendedStatusDefinitionProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedStatusDefinitionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Price.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Price.json
new file mode 100644
index 00000000000..4115c948572
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Price.json
@@ -0,0 +1,31 @@
+{
+  "name": "Price",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currencyCode",
+      "name": "CurrencyCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-RenewPropertiesResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-RenewPropertiesResponse.json
new file mode 100644
index 00000000000..d67fea15b45
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-RenewPropertiesResponse.json
@@ -0,0 +1,44 @@
+{
+  "name": "RenewPropertiesResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseProperties",
+      "name": "PurchaseProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequest"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Reservation.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Reservation.json
new file mode 100644
index 00000000000..c7e69569fd6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-Reservation.json
@@ -0,0 +1,122 @@
+{
+  "name": "Reservation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "etag",
+      "name": "Etag",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSkuProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationAppliedScopeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationAppliedScopeProperties.json
new file mode 100644
index 00000000000..a11c56ba03d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationAppliedScopeProperties.json
@@ -0,0 +1,70 @@
+{
+  "name": "ReservationAppliedScopeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "managementGroupId",
+      "name": "ManagementGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceGroupId",
+      "name": "ResourceGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationExtendedStatusInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationExtendedStatusInfo.json
new file mode 100644
index 00000000000..661ce654268
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationExtendedStatusInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationExtendedStatusInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusDefinitionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusCode",
+      "name": "StatusCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationStatusCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationMergeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationMergeProperties.json
new file mode 100644
index 00000000000..0908b087f34
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationMergeProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationMergeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeDestination",
+      "name": "MergeDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeSources",
+      "name": "MergeSources",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrder.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrder.json
new file mode 100644
index 00000000000..e7da1fd15b0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrder.json
@@ -0,0 +1,96 @@
+{
+  "name": "ReservationOrder",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "etag",
+      "name": "Etag",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationOrderProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderBillingPlanInformation.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderBillingPlanInformation.json
new file mode 100644
index 00000000000..1270c71fbdf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderBillingPlanInformation.json
@@ -0,0 +1,61 @@
+{
+  "name": "ReservationOrderBillingPlanInformation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "nextPaymentDueDate",
+      "name": "NextPaymentDueDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transactions",
+      "name": "Transactions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ReservationPaymentDetail"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderProperty.json
new file mode 100644
index 00000000000..90c9cf4902f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationOrderProperty.json
@@ -0,0 +1,261 @@
+{
+  "name": "ReservationOrderProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "createdDateTime",
+      "name": "CreatedDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "enrollmentId",
+      "name": "EnrollmentId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "originalQuantity",
+      "name": "OriginalQuantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "planInformation",
+      "name": "PlanInformation",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationOrderBillingPlanInformation"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "requestDateTime",
+      "name": "RequestDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservations",
+      "name": "Reservations",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "Reservation"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPaymentDetail.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPaymentDetail.json
new file mode 100644
index 00000000000..0632a732020
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPaymentDetail.json
@@ -0,0 +1,96 @@
+{
+  "name": "ReservationPaymentDetail",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccount",
+      "name": "BillingAccount",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "dueDate",
+      "name": "DueDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentDate",
+      "name": "PaymentDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationProperty.json
new file mode 100644
index 00000000000..315cf504409
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationProperty.json
@@ -0,0 +1,483 @@
+{
+  "name": "ReservationProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "archived",
+      "name": "Archived",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "capabilities",
+      "name": "Capabilities",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayProvisioningState",
+      "name": "DisplayProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDateTime",
+      "name": "EffectiveDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "lastUpdatedDateTime",
+      "name": "LastUpdatedDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeProperties",
+      "name": "MergeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationMergeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningSubState",
+      "name": "ProvisioningSubState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDateTime",
+      "name": "PurchaseDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewDestination",
+      "name": "RenewDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewPropertiesResponse"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewSource",
+      "name": "RenewSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitProperties",
+      "name": "SplitProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSplitProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapProperties",
+      "name": "SwapProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSwapProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyAppliedScopeType",
+      "name": "UserFriendlyAppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyRenewState",
+      "name": "UserFriendlyRenewState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "utilization",
+      "name": "Utilization",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPropertyUtilization"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPropertyUtilization.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPropertyUtilization.json
new file mode 100644
index 00000000000..b815bd5a948
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPropertyUtilization.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationPropertyUtilization",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "aggregates",
+      "name": "Aggregates",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ReservationUtilizationAggregates"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "trend",
+      "name": "Trend",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequest.json
new file mode 100644
index 00000000000..59de8e1b541
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequest.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationPurchaseRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SkuName"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestProperties.json
new file mode 100644
index 00000000000..0af036ce2e3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestProperties.json
@@ -0,0 +1,179 @@
+{
+  "name": "ReservationPurchaseRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceProperties",
+      "name": "ReservedResourceProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestPropertiesReservedResourceProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
new file mode 100644
index 00000000000..f6118ab753c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationPurchaseRequestPropertiesReservedResourceProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSkuProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSkuProperty.json
new file mode 100644
index 00000000000..25014400e74
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSkuProperty.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationSkuProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSplitProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSplitProperties.json
new file mode 100644
index 00000000000..f7b8e44ca1b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSplitProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationSplitProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitDestinations",
+      "name": "SplitDestinations",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitSource",
+      "name": "SplitSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSwapProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSwapProperties.json
new file mode 100644
index 00000000000..99229b6ff5d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationSwapProperties.json
@@ -0,0 +1,31 @@
+{
+  "name": "ReservationSwapProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapDestination",
+      "name": "SwapDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapSource",
+      "name": "SwapSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationUtilizationAggregates.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationUtilizationAggregates.json
new file mode 100644
index 00000000000..7ec4b0698ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-ReservationUtilizationAggregates.json
@@ -0,0 +1,57 @@
+{
+  "name": "ReservationUtilizationAggregates",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grain",
+      "name": "Grain",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grainUnit",
+      "name": "GrainUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "valueUnit",
+      "name": "ValueUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-SkuName.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-SkuName.json
new file mode 100644
index 00000000000..3148f59883a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Model-SkuName.json
@@ -0,0 +1,18 @@
+{
+  "name": "SkuName",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..f647cf1c699
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/Operation-ListByBillingAccount.json
@@ -0,0 +1,48 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skiptoken",
+      "required": false,
+      "field": "Skiptoken",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "ReservationOrder"
+  },
+  "uriSuffix": "/reservationOrders"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/ReservationOrders/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-AppliedScopeType.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-AppliedScopeType.json
new file mode 100644
index 00000000000..658df42a5e8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-AppliedScopeType.json
@@ -0,0 +1,18 @@
+{
+  "name": "AppliedScopeType",
+  "type": "String",
+  "values": [
+    {
+      "key": "ManagementGroup",
+      "value": "ManagementGroup"
+    },
+    {
+      "key": "Shared",
+      "value": "Shared"
+    },
+    {
+      "key": "Single",
+      "value": "Single"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-InstanceFlexibility.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-InstanceFlexibility.json
new file mode 100644
index 00000000000..3d65a4469da
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-InstanceFlexibility.json
@@ -0,0 +1,14 @@
+{
+  "name": "InstanceFlexibility",
+  "type": "String",
+  "values": [
+    {
+      "key": "Off",
+      "value": "Off"
+    },
+    {
+      "key": "On",
+      "value": "On"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationBillingPlan.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationBillingPlan.json
new file mode 100644
index 00000000000..f72ec96ba84
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationBillingPlan.json
@@ -0,0 +1,14 @@
+{
+  "name": "ReservationBillingPlan",
+  "type": "String",
+  "values": [
+    {
+      "key": "Monthly",
+      "value": "Monthly"
+    },
+    {
+      "key": "Upfront",
+      "value": "Upfront"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationStatusCode.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationStatusCode.json
new file mode 100644
index 00000000000..1e9886908d9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Constant-ReservationStatusCode.json
@@ -0,0 +1,86 @@
+{
+  "name": "ReservationStatusCode",
+  "type": "String",
+  "values": [
+    {
+      "key": "Active",
+      "value": "Active"
+    },
+    {
+      "key": "CapacityError",
+      "value": "CapacityError"
+    },
+    {
+      "key": "CapacityRestricted",
+      "value": "CapacityRestricted"
+    },
+    {
+      "key": "CreditLineCheckFailed",
+      "value": "CreditLineCheckFailed"
+    },
+    {
+      "key": "Exchanged",
+      "value": "Exchanged"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Merged",
+      "value": "Merged"
+    },
+    {
+      "key": "NoBenefit",
+      "value": "NoBenefit"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionDeletion",
+      "value": "NoBenefitDueToSubscriptionDeletion"
+    },
+    {
+      "key": "NoBenefitDueToSubscriptionTransfer",
+      "value": "NoBenefitDueToSubscriptionTransfer"
+    },
+    {
+      "key": "None",
+      "value": "None"
+    },
+    {
+      "key": "PaymentInstrumentError",
+      "value": "PaymentInstrumentError"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Processing",
+      "value": "Processing"
+    },
+    {
+      "key": "PurchaseError",
+      "value": "PurchaseError"
+    },
+    {
+      "key": "RiskCheckFailed",
+      "value": "RiskCheckFailed"
+    },
+    {
+      "key": "Split",
+      "value": "Split"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    },
+    {
+      "key": "UnknownError",
+      "value": "UnknownError"
+    },
+    {
+      "key": "Warning",
+      "value": "Warning"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ExtendedStatusDefinitionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ExtendedStatusDefinitionProperties.json
new file mode 100644
index 00000000000..20429d4764d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ExtendedStatusDefinitionProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedStatusDefinitionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Price.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Price.json
new file mode 100644
index 00000000000..4115c948572
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Price.json
@@ -0,0 +1,31 @@
+{
+  "name": "Price",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currencyCode",
+      "name": "CurrencyCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-RenewPropertiesResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-RenewPropertiesResponse.json
new file mode 100644
index 00000000000..d67fea15b45
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-RenewPropertiesResponse.json
@@ -0,0 +1,44 @@
+{
+  "name": "RenewPropertiesResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseProperties",
+      "name": "PurchaseProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequest"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Reservation.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Reservation.json
new file mode 100644
index 00000000000..c7e69569fd6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-Reservation.json
@@ -0,0 +1,122 @@
+{
+  "name": "Reservation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "etag",
+      "name": "Etag",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSkuProperty"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationAppliedScopeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationAppliedScopeProperties.json
new file mode 100644
index 00000000000..a11c56ba03d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationAppliedScopeProperties.json
@@ -0,0 +1,70 @@
+{
+  "name": "ReservationAppliedScopeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "managementGroupId",
+      "name": "ManagementGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceGroupId",
+      "name": "ResourceGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationExtendedStatusInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationExtendedStatusInfo.json
new file mode 100644
index 00000000000..661ce654268
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationExtendedStatusInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationExtendedStatusInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusDefinitionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusCode",
+      "name": "StatusCode",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationStatusCode"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationMergeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationMergeProperties.json
new file mode 100644
index 00000000000..0908b087f34
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationMergeProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationMergeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeDestination",
+      "name": "MergeDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeSources",
+      "name": "MergeSources",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationProperty.json
new file mode 100644
index 00000000000..315cf504409
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationProperty.json
@@ -0,0 +1,483 @@
+{
+  "name": "ReservationProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "archived",
+      "name": "Archived",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "capabilities",
+      "name": "Capabilities",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayProvisioningState",
+      "name": "DisplayProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDateTime",
+      "name": "EffectiveDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "lastUpdatedDateTime",
+      "name": "LastUpdatedDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "mergeProperties",
+      "name": "MergeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationMergeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningSubState",
+      "name": "ProvisioningSubState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseDate",
+      "name": "PurchaseDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDateTime",
+      "name": "PurchaseDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewDestination",
+      "name": "RenewDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewPropertiesResponse"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewSource",
+      "name": "RenewSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitProperties",
+      "name": "SplitProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSplitProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapProperties",
+      "name": "SwapProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationSwapProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyAppliedScopeType",
+      "name": "UserFriendlyAppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyRenewState",
+      "name": "UserFriendlyRenewState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "utilization",
+      "name": "Utilization",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPropertyUtilization"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPropertyUtilization.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPropertyUtilization.json
new file mode 100644
index 00000000000..b815bd5a948
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPropertyUtilization.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationPropertyUtilization",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "aggregates",
+      "name": "Aggregates",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "ReservationUtilizationAggregates"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "trend",
+      "name": "Trend",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequest.json
new file mode 100644
index 00000000000..59de8e1b541
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequest.json
@@ -0,0 +1,44 @@
+{
+  "name": "ReservationPurchaseRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "location",
+      "name": "Location",
+      "objectDefinition": {
+        "type": "Location",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SkuName"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestProperties.json
new file mode 100644
index 00000000000..0af036ce2e3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestProperties.json
@@ -0,0 +1,179 @@
+{
+  "name": "ReservationPurchaseRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationAppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopes",
+      "name": "AppliedScopes",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationBillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceProperties",
+      "name": "ReservedResourceProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ReservationPurchaseRequestPropertiesReservedResourceProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reservedResourceType",
+      "name": "ReservedResourceType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "reviewDateTime",
+      "name": "ReviewDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
new file mode 100644
index 00000000000..f6118ab753c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationPurchaseRequestPropertiesReservedResourceProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationPurchaseRequestPropertiesReservedResourceProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "instanceFlexibility",
+      "name": "InstanceFlexibility",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InstanceFlexibility"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSkuProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSkuProperty.json
new file mode 100644
index 00000000000..25014400e74
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSkuProperty.json
@@ -0,0 +1,18 @@
+{
+  "name": "ReservationSkuProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSplitProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSplitProperties.json
new file mode 100644
index 00000000000..f7b8e44ca1b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSplitProperties.json
@@ -0,0 +1,35 @@
+{
+  "name": "ReservationSplitProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitDestinations",
+      "name": "SplitDestinations",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "splitSource",
+      "name": "SplitSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSwapProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSwapProperties.json
new file mode 100644
index 00000000000..99229b6ff5d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationSwapProperties.json
@@ -0,0 +1,31 @@
+{
+  "name": "ReservationSwapProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapDestination",
+      "name": "SwapDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "swapSource",
+      "name": "SwapSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationUtilizationAggregates.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationUtilizationAggregates.json
new file mode 100644
index 00000000000..7ec4b0698ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-ReservationUtilizationAggregates.json
@@ -0,0 +1,57 @@
+{
+  "name": "ReservationUtilizationAggregates",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grain",
+      "name": "Grain",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grainUnit",
+      "name": "GrainUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "valueUnit",
+      "name": "ValueUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-SkuName.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-SkuName.json
new file mode 100644
index 00000000000..3148f59883a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Model-SkuName.json
@@ -0,0 +1,18 @@
+{
+  "name": "SkuName",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..724185275f0
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingAccount.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "refreshSummary",
+      "required": false,
+      "field": "RefreshSummary",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "selectedState",
+      "required": false,
+      "field": "SelectedState",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skiptoken",
+      "required": false,
+      "field": "Skiptoken",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "take",
+      "required": false,
+      "field": "Take",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Reservation"
+  },
+  "uriSuffix": "/reservations"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..9d794f55257
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByBillingProfile.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "refreshSummary",
+      "required": false,
+      "field": "RefreshSummary",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "selectedState",
+      "required": false,
+      "field": "SelectedState",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skiptoken",
+      "required": false,
+      "field": "Skiptoken",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "take",
+      "required": false,
+      "field": "Take",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Reservation"
+  },
+  "uriSuffix": "/reservations"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByReservationOrder.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByReservationOrder.json
new file mode 100644
index 00000000000..d8da65f3b0a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/Operation-ListByReservationOrder.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListByReservationOrder",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "ReservationOrderId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Reservation"
+  },
+  "uriSuffix": "/reservations"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-ReservationOrderId.json b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-ReservationOrderId.json
new file mode 100644
index 00000000000..329ccca9464
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Reservations/ResourceId-ReservationOrderId.json
@@ -0,0 +1,34 @@
+{
+  "name": "ReservationOrderId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/reservationOrders/{reservationOrderId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticReservationOrders",
+      "type": "Static",
+      "value": "reservationOrders"
+    },
+    {
+      "name": "reservationOrderId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-AppliedScopeType.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-AppliedScopeType.json
new file mode 100644
index 00000000000..658df42a5e8
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-AppliedScopeType.json
@@ -0,0 +1,18 @@
+{
+  "name": "AppliedScopeType",
+  "type": "String",
+  "values": [
+    {
+      "key": "ManagementGroup",
+      "value": "ManagementGroup"
+    },
+    {
+      "key": "Shared",
+      "value": "Shared"
+    },
+    {
+      "key": "Single",
+      "value": "Single"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-BillingPlan.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-BillingPlan.json
new file mode 100644
index 00000000000..6c5ef285207
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-BillingPlan.json
@@ -0,0 +1,10 @@
+{
+  "name": "BillingPlan",
+  "type": "String",
+  "values": [
+    {
+      "key": "POneM",
+      "value": "P1M"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-CommitmentGrain.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-CommitmentGrain.json
new file mode 100644
index 00000000000..1c1f9e90ea6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-CommitmentGrain.json
@@ -0,0 +1,10 @@
+{
+  "name": "CommitmentGrain",
+  "type": "String",
+  "values": [
+    {
+      "key": "Hourly",
+      "value": "Hourly"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-ProvisioningState.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-ProvisioningState.json
new file mode 100644
index 00000000000..266933ec0ce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-ProvisioningState.json
@@ -0,0 +1,38 @@
+{
+  "name": "ProvisioningState",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "ConfirmedBilling",
+      "value": "ConfirmedBilling"
+    },
+    {
+      "key": "Created",
+      "value": "Created"
+    },
+    {
+      "key": "Creating",
+      "value": "Creating"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "PendingBilling",
+      "value": "PendingBilling"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-SavingsPlanTerm.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-SavingsPlanTerm.json
new file mode 100644
index 00000000000..0a9bc85def9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Constant-SavingsPlanTerm.json
@@ -0,0 +1,18 @@
+{
+  "name": "SavingsPlanTerm",
+  "type": "String",
+  "values": [
+    {
+      "key": "PFiveY",
+      "value": "P5Y"
+    },
+    {
+      "key": "POneY",
+      "value": "P1Y"
+    },
+    {
+      "key": "PThreeY",
+      "value": "P3Y"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-AppliedScopeProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-AppliedScopeProperties.json
new file mode 100644
index 00000000000..ae8d6f97585
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-AppliedScopeProperties.json
@@ -0,0 +1,70 @@
+{
+  "name": "AppliedScopeProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "managementGroupId",
+      "name": "ManagementGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resourceGroupId",
+      "name": "ResourceGroupId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tenantId",
+      "name": "TenantId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Commitment.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Commitment.json
new file mode 100644
index 00000000000..736e636fcc3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Commitment.json
@@ -0,0 +1,44 @@
+{
+  "name": "Commitment",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currencyCode",
+      "name": "CurrencyCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grain",
+      "name": "Grain",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CommitmentGrain"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfo.json
new file mode 100644
index 00000000000..013e864e886
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "ExtendedStatusInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusInfoProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusCode",
+      "name": "StatusCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfoProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfoProperties.json
new file mode 100644
index 00000000000..8db6736e9b5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-ExtendedStatusInfoProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedStatusInfoProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequest.json
new file mode 100644
index 00000000000..2d58bcbadd7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequest.json
@@ -0,0 +1,31 @@
+{
+  "name": "PurchaseRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PurchaseRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Sku"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequestProperties.json
new file mode 100644
index 00000000000..8667febde63
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-PurchaseRequestProperties.json
@@ -0,0 +1,109 @@
+{
+  "name": "PurchaseRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "commitment",
+      "name": "Commitment",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Commitment"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanTerm"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-RenewProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-RenewProperties.json
new file mode 100644
index 00000000000..147022c7281
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-RenewProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "RenewProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "purchaseProperties",
+      "name": "PurchaseProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PurchaseRequest"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModel.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModel.json
new file mode 100644
index 00000000000..f74a3472654
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModel.json
@@ -0,0 +1,96 @@
+{
+  "name": "SavingsPlanModel",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanModelProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Sku"
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModelProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModelProperties.json
new file mode 100644
index 00000000000..804cf56d9aa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanModelProperties.json
@@ -0,0 +1,334 @@
+{
+  "name": "SavingsPlanModelProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "commitment",
+      "name": "Commitment",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Commitment"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayProvisioningState",
+      "name": "DisplayProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "effectiveDateTime",
+      "name": "EffectiveDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProvisioningState"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "purchaseDateTime",
+      "name": "PurchaseDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewDestination",
+      "name": "RenewDestination",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewSource",
+      "name": "RenewSource",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanTerm"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "userFriendlyAppliedScopeType",
+      "name": "UserFriendlyAppliedScopeType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "utilization",
+      "name": "Utilization",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Utilization"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequest.json
new file mode 100644
index 00000000000..854e3387439
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequest.json
@@ -0,0 +1,44 @@
+{
+  "name": "SavingsPlanUpdateRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanUpdateRequestProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Sku"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequestProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequestProperties.json
new file mode 100644
index 00000000000..fae31205ffa
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateRequestProperties.json
@@ -0,0 +1,70 @@
+{
+  "name": "SavingsPlanUpdateRequestProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeProperties",
+      "name": "AppliedScopeProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "appliedScopeType",
+      "name": "AppliedScopeType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "AppliedScopeType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renew",
+      "name": "Renew",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "renewProperties",
+      "name": "RenewProperties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RenewProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateValidateRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateValidateRequest.json
new file mode 100644
index 00000000000..39a893a6c76
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanUpdateValidateRequest.json
@@ -0,0 +1,22 @@
+{
+  "name": "SavingsPlanUpdateValidateRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "benefits",
+      "name": "Benefits",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "SavingsPlanUpdateRequestProperties"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidResponseProperty.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidResponseProperty.json
new file mode 100644
index 00000000000..8a4133111cc
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidResponseProperty.json
@@ -0,0 +1,44 @@
+{
+  "name": "SavingsPlanValidResponseProperty",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reason",
+      "name": "Reason",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reasonCode",
+      "name": "ReasonCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "valid",
+      "name": "Valid",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidateResponse.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidateResponse.json
new file mode 100644
index 00000000000..48ac9a9a8c3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-SavingsPlanValidateResponse.json
@@ -0,0 +1,35 @@
+{
+  "name": "SavingsPlanValidateResponse",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "benefits",
+      "name": "Benefits",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "SavingsPlanValidResponseProperty"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "nextLink",
+      "name": "NextLink",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Sku.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Sku.json
new file mode 100644
index 00000000000..96fb53f2233
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Sku.json
@@ -0,0 +1,18 @@
+{
+  "name": "Sku",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Utilization.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Utilization.json
new file mode 100644
index 00000000000..e9a1005afbf
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-Utilization.json
@@ -0,0 +1,35 @@
+{
+  "name": "Utilization",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "aggregates",
+      "name": "Aggregates",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "UtilizationAggregates"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "trend",
+      "name": "Trend",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-UtilizationAggregates.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-UtilizationAggregates.json
new file mode 100644
index 00000000000..262b1a7fe3a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Model-UtilizationAggregates.json
@@ -0,0 +1,57 @@
+{
+  "name": "UtilizationAggregates",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grain",
+      "name": "Grain",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "grainUnit",
+      "name": "GrainUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "valueUnit",
+      "name": "ValueUnit",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..89185e0e1bb
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-GetByBillingAccount.json
@@ -0,0 +1,26 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "SavingsPlanId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanModel"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..28f63dfee2c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListByBillingAccount.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "refreshSummary",
+      "required": false,
+      "field": "RefreshSummary",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "selectedState",
+      "required": false,
+      "field": "SelectedState",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skiptoken",
+      "required": false,
+      "field": "Skiptoken",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "take",
+      "required": false,
+      "field": "Take",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanModel"
+  },
+  "uriSuffix": "/savingsPlans"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListBySavingsPlanOrder.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListBySavingsPlanOrder.json
new file mode 100644
index 00000000000..8d93871136d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ListBySavingsPlanOrder.json
@@ -0,0 +1,16 @@
+{
+  "name": "ListBySavingsPlanOrder",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "SavingsPlanOrderId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanModel"
+  },
+  "uriSuffix": "/savingsPlans"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-UpdateByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-UpdateByBillingAccount.json
new file mode 100644
index 00000000000..17067161eea
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-UpdateByBillingAccount.json
@@ -0,0 +1,19 @@
+{
+  "name": "UpdateByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "PATCH",
+  "resourceIdName": "SavingsPlanId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanUpdateRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanModel"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ValidateUpdateByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ValidateUpdateByBillingAccount.json
new file mode 100644
index 00000000000..05b85fffa99
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/Operation-ValidateUpdateByBillingAccount.json
@@ -0,0 +1,19 @@
+{
+  "name": "ValidateUpdateByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "SavingsPlanId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanUpdateValidateRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanValidateResponse"
+  },
+  "uriSuffix": "/validate"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanId.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanId.json
new file mode 100644
index 00000000000..2a7a01e2ae7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanId.json
@@ -0,0 +1,43 @@
+{
+  "name": "SavingsPlanId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/savingsPlanOrders/{savingsPlanOrderId}/savingsPlans/{savingsPlanId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticSavingsPlanOrders",
+      "type": "Static",
+      "value": "savingsPlanOrders"
+    },
+    {
+      "name": "savingsPlanOrderId",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticSavingsPlans",
+      "type": "Static",
+      "value": "savingsPlans"
+    },
+    {
+      "name": "savingsPlanId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanOrderId.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanOrderId.json
new file mode 100644
index 00000000000..60d53520239
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlan/ResourceId-SavingsPlanOrderId.json
@@ -0,0 +1,34 @@
+{
+  "name": "SavingsPlanOrderId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/savingsPlanOrders/{savingsPlanOrderId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticSavingsPlanOrders",
+      "type": "Static",
+      "value": "savingsPlanOrders"
+    },
+    {
+      "name": "savingsPlanOrderId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-BillingPlan.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-BillingPlan.json
new file mode 100644
index 00000000000..6c5ef285207
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-BillingPlan.json
@@ -0,0 +1,10 @@
+{
+  "name": "BillingPlan",
+  "type": "String",
+  "values": [
+    {
+      "key": "POneM",
+      "value": "P1M"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-PaymentStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-PaymentStatus.json
new file mode 100644
index 00000000000..acafb3002c7
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-PaymentStatus.json
@@ -0,0 +1,30 @@
+{
+  "name": "PaymentStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Cancelled",
+      "value": "Cancelled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    },
+    {
+      "key": "Scheduled",
+      "value": "Scheduled"
+    },
+    {
+      "key": "Succeeded",
+      "value": "Succeeded"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-SavingsPlanTerm.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-SavingsPlanTerm.json
new file mode 100644
index 00000000000..0a9bc85def9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Constant-SavingsPlanTerm.json
@@ -0,0 +1,18 @@
+{
+  "name": "SavingsPlanTerm",
+  "type": "String",
+  "values": [
+    {
+      "key": "PFiveY",
+      "value": "P5Y"
+    },
+    {
+      "key": "POneY",
+      "value": "P1Y"
+    },
+    {
+      "key": "PThreeY",
+      "value": "P3Y"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-BillingPlanInformation.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-BillingPlanInformation.json
new file mode 100644
index 00000000000..a2e6bcaaac2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-BillingPlanInformation.json
@@ -0,0 +1,61 @@
+{
+  "name": "BillingPlanInformation",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "nextPaymentDueDate",
+      "name": "NextPaymentDueDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "startDate",
+      "name": "StartDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transactions",
+      "name": "Transactions",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "PaymentDetail"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfo.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfo.json
new file mode 100644
index 00000000000..013e864e886
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfo.json
@@ -0,0 +1,44 @@
+{
+  "name": "ExtendedStatusInfo",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusInfoProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "statusCode",
+      "name": "StatusCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfoProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfoProperties.json
new file mode 100644
index 00000000000..8db6736e9b5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-ExtendedStatusInfoProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "ExtendedStatusInfoProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subscriptionId",
+      "name": "SubscriptionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-PaymentDetail.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-PaymentDetail.json
new file mode 100644
index 00000000000..79c6ea93e3c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-PaymentDetail.json
@@ -0,0 +1,83 @@
+{
+  "name": "PaymentDetail",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrencyTotal",
+      "name": "BillingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "dueDate",
+      "name": "DueDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "paymentDate",
+      "name": "PaymentDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrencyTotal",
+      "name": "PricingCurrencyTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Price"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "status",
+      "name": "Status",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PaymentStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Price.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Price.json
new file mode 100644
index 00000000000..4115c948572
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Price.json
@@ -0,0 +1,31 @@
+{
+  "name": "Price",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amount",
+      "name": "Amount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currencyCode",
+      "name": "CurrencyCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModel.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModel.json
new file mode 100644
index 00000000000..98199ddd435
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModel.json
@@ -0,0 +1,96 @@
+{
+  "name": "SavingsPlanOrderModel",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanOrderModelProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "sku",
+      "name": "Sku",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Sku"
+      },
+      "optional": false,
+      "readOnly": false,
+      "required": true,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModelProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModelProperties.json
new file mode 100644
index 00000000000..295bacb4a22
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-SavingsPlanOrderModelProperties.json
@@ -0,0 +1,206 @@
+{
+  "name": "SavingsPlanOrderModelProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "benefitStartTime",
+      "name": "BenefitStartTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingAccountId",
+      "name": "BillingAccountId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingPlan",
+      "name": "BillingPlan",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingPlan"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingScopeId",
+      "name": "BillingScopeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "displayName",
+      "name": "DisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryDate",
+      "name": "ExpiryDate",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expiryDateTime",
+      "name": "ExpiryDateTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "extendedStatusInfo",
+      "name": "ExtendedStatusInfo",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ExtendedStatusInfo"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "planInformation",
+      "name": "PlanInformation",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "BillingPlanInformation"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productCode",
+      "name": "ProductCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "provisioningState",
+      "name": "ProvisioningState",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "savingsPlans",
+      "name": "SavingsPlans",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "String",
+          "referenceName": null
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "term",
+      "name": "Term",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SavingsPlanTerm"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Sku.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Sku.json
new file mode 100644
index 00000000000..96fb53f2233
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Model-Sku.json
@@ -0,0 +1,18 @@
+{
+  "name": "Sku",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-GetByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-GetByBillingAccount.json
new file mode 100644
index 00000000000..e5955c58c64
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-GetByBillingAccount.json
@@ -0,0 +1,26 @@
+{
+  "name": "GetByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "expand",
+      "required": false,
+      "field": "Expand",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "SavingsPlanOrderId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanOrderModel"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-ListByBillingAccount.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-ListByBillingAccount.json
new file mode 100644
index 00000000000..426ebc4da2a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/Operation-ListByBillingAccount.json
@@ -0,0 +1,48 @@
+{
+  "name": "ListByBillingAccount",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skiptoken",
+      "required": false,
+      "field": "Skiptoken",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "SavingsPlanOrderModel"
+  },
+  "uriSuffix": "/savingsPlanOrders"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-BillingAccountId.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-BillingAccountId.json
new file mode 100644
index 00000000000..65076ccb895
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-BillingAccountId.json
@@ -0,0 +1,25 @@
+{
+  "name": "BillingAccountId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-SavingsPlanOrderId.json b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-SavingsPlanOrderId.json
new file mode 100644
index 00000000000..60d53520239
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/SavingsPlanOrder/ResourceId-SavingsPlanOrderId.json
@@ -0,0 +1,34 @@
+{
+  "name": "SavingsPlanOrderId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/savingsPlanOrders/{savingsPlanOrderId}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticSavingsPlanOrders",
+      "type": "Static",
+      "value": "savingsPlanOrders"
+    },
+    {
+      "name": "savingsPlanOrderId",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-CreditType.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-CreditType.json
new file mode 100644
index 00000000000..8697e3d9577
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-CreditType.json
@@ -0,0 +1,26 @@
+{
+  "name": "CreditType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AzureCreditOffer",
+      "value": "AzureCreditOffer"
+    },
+    {
+      "key": "AzureFreeCredit",
+      "value": "AzureFreeCredit"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Refund",
+      "value": "Refund"
+    },
+    {
+      "key": "ServiceInterruption",
+      "value": "ServiceInterruption"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-SpecialTaxationType.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-SpecialTaxationType.json
new file mode 100644
index 00000000000..ccb8508bb43
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-SpecialTaxationType.json
@@ -0,0 +1,14 @@
+{
+  "name": "SpecialTaxationType",
+  "type": "String",
+  "values": [
+    {
+      "key": "InvoiceLevel",
+      "value": "InvoiceLevel"
+    },
+    {
+      "key": "SubtotalLevel",
+      "value": "SubtotalLevel"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionKind.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionKind.json
new file mode 100644
index 00000000000..611db084a94
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionKind.json
@@ -0,0 +1,18 @@
+{
+  "name": "TransactionKind",
+  "type": "String",
+  "values": [
+    {
+      "key": "All",
+      "value": "All"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Reservation",
+      "value": "Reservation"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionType.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionType.json
new file mode 100644
index 00000000000..746a019a824
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Constant-TransactionType.json
@@ -0,0 +1,18 @@
+{
+  "name": "TransactionType",
+  "type": "String",
+  "values": [
+    {
+      "key": "Billed",
+      "value": "Billed"
+    },
+    {
+      "key": "Other",
+      "value": "Other"
+    },
+    {
+      "key": "Unbilled",
+      "value": "Unbilled"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Amount.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Amount.json
new file mode 100644
index 00000000000..e0b18577397
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Amount.json
@@ -0,0 +1,31 @@
+{
+  "name": "Amount",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "currency",
+      "name": "Currency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "value",
+      "name": "Value",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-DocumentDownloadResult.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-DocumentDownloadResult.json
new file mode 100644
index 00000000000..f2ec34aece6
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-DocumentDownloadResult.json
@@ -0,0 +1,31 @@
+{
+  "name": "DocumentDownloadResult",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "expiryTime",
+      "name": "ExpiryTime",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "url",
+      "name": "Url",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-RefundTransactionDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-RefundTransactionDetails.json
new file mode 100644
index 00000000000..8b7c39d89b3
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-RefundTransactionDetails.json
@@ -0,0 +1,44 @@
+{
+  "name": "RefundTransactionDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amountRefunded",
+      "name": "AmountRefunded",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "amountRequested",
+      "name": "AmountRequested",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "refundOperationId",
+      "name": "RefundOperationId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Transaction.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Transaction.json
new file mode 100644
index 00000000000..e97821d094a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-Transaction.json
@@ -0,0 +1,83 @@
+{
+  "name": "Transaction",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransactionProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionProperties.json
new file mode 100644
index 00000000000..c5401633a81
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionProperties.json
@@ -0,0 +1,515 @@
+{
+  "name": "TransactionProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "azureCreditApplied",
+      "name": "AzureCreditApplied",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "azurePlan",
+      "name": "AzurePlan",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrency",
+      "name": "BillingCurrency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileDisplayName",
+      "name": "BillingProfileDisplayName",
+      "objectDefinition": {
+        "type": "RawObject",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingProfileId",
+      "name": "BillingProfileId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "consumptionCommitmentDecremented",
+      "name": "ConsumptionCommitmentDecremented",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "creditType",
+      "name": "CreditType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "CreditType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerDisplayName",
+      "name": "CustomerDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "customerId",
+      "name": "CustomerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "date",
+      "name": "Date",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "discount",
+      "name": "Discount",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "effectivePrice",
+      "name": "EffectivePrice",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "exchangeRate",
+      "name": "ExchangeRate",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoice",
+      "name": "Invoice",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceId",
+      "name": "InvoiceId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionDisplayName",
+      "name": "InvoiceSectionDisplayName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "invoiceSectionId",
+      "name": "InvoiceSectionId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "isThirdParty",
+      "name": "IsThirdParty",
+      "objectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "kind",
+      "name": "Kind",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransactionKind"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "marketPrice",
+      "name": "MarketPrice",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "partNumber",
+      "name": "PartNumber",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "pricingCurrency",
+      "name": "PricingCurrency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productDescription",
+      "name": "ProductDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productFamily",
+      "name": "ProductFamily",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productTypeId",
+      "name": "ProductTypeId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "quantity",
+      "name": "Quantity",
+      "objectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "reasonCode",
+      "name": "ReasonCode",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "refundTransactionDetails",
+      "name": "RefundTransactionDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "RefundTransactionDetails"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "servicePeriodEndDate",
+      "name": "ServicePeriodEndDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "servicePeriodStartDate",
+      "name": "ServicePeriodStartDate",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "specialTaxationType",
+      "name": "SpecialTaxationType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "SpecialTaxationType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subTotal",
+      "name": "SubTotal",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tax",
+      "name": "Tax",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transactionAmount",
+      "name": "TransactionAmount",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "Amount"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transactionType",
+      "name": "TransactionType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "unitOfMeasure",
+      "name": "UnitOfMeasure",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "unitType",
+      "name": "UnitType",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "units",
+      "name": "Units",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionSummary.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionSummary.json
new file mode 100644
index 00000000000..e4421163c6a
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Model-TransactionSummary.json
@@ -0,0 +1,83 @@
+{
+  "name": "TransactionSummary",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "azureCreditApplied",
+      "name": "AzureCreditApplied",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "billingCurrency",
+      "name": "BillingCurrency",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "consumptionCommitmentDecremented",
+      "name": "ConsumptionCommitmentDecremented",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "subTotal",
+      "name": "SubTotal",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tax",
+      "name": "Tax",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "total",
+      "name": "Total",
+      "objectDefinition": {
+        "type": "Float",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-GetTransactionSummaryByInvoice.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-GetTransactionSummaryByInvoice.json
new file mode 100644
index 00000000000..2a9e735563c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-GetTransactionSummaryByInvoice.json
@@ -0,0 +1,37 @@
+{
+  "name": "GetTransactionSummaryByInvoice",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "TransactionSummary"
+  },
+  "uriSuffix": "/transactionSummary"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByBillingProfile.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByBillingProfile.json
new file mode 100644
index 00000000000..a6a7f3ef128
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByBillingProfile.json
@@ -0,0 +1,108 @@
+{
+  "name": "ListByBillingProfile",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "periodEndDate",
+      "required": true,
+      "field": "PeriodEndDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "periodStartDate",
+      "required": true,
+      "field": "PeriodStartDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "type",
+      "required": true,
+      "field": "Type",
+      "optionsObjectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransactionType"
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Transaction"
+  },
+  "uriSuffix": "/transactions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByCustomer.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByCustomer.json
new file mode 100644
index 00000000000..897f0582871
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByCustomer.json
@@ -0,0 +1,108 @@
+{
+  "name": "ListByCustomer",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "periodEndDate",
+      "required": true,
+      "field": "PeriodEndDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "periodStartDate",
+      "required": true,
+      "field": "PeriodStartDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "type",
+      "required": true,
+      "field": "Type",
+      "optionsObjectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransactionType"
+      }
+    }
+  ],
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Transaction"
+  },
+  "uriSuffix": "/transactions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoice.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoice.json
new file mode 100644
index 00000000000..8d53626455c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoice.json
@@ -0,0 +1,78 @@
+{
+  "name": "ListByInvoice",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    }
+  ],
+  "resourceIdName": "BillingAccountInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Transaction"
+  },
+  "uriSuffix": "/transactions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoiceSection.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoiceSection.json
new file mode 100644
index 00000000000..84d3787fef9
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-ListByInvoiceSection.json
@@ -0,0 +1,108 @@
+{
+  "name": "ListByInvoiceSection",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "options": [
+    {
+      "optional": true,
+      "queryString": "count",
+      "required": false,
+      "field": "Count",
+      "optionsObjectDefinition": {
+        "type": "Boolean",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "filter",
+      "required": false,
+      "field": "Filter",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "orderBy",
+      "required": false,
+      "field": "OrderBy",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "periodEndDate",
+      "required": true,
+      "field": "PeriodEndDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "periodStartDate",
+      "required": true,
+      "field": "PeriodStartDate",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "search",
+      "required": false,
+      "field": "Search",
+      "optionsObjectDefinition": {
+        "type": "String",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "skip",
+      "required": false,
+      "field": "Skip",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": true,
+      "queryString": "top",
+      "required": false,
+      "field": "Top",
+      "optionsObjectDefinition": {
+        "type": "Integer",
+        "referenceName": null
+      }
+    },
+    {
+      "optional": false,
+      "queryString": "type",
+      "required": true,
+      "field": "Type",
+      "optionsObjectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransactionType"
+      }
+    }
+  ],
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "Transaction"
+  },
+  "uriSuffix": "/transactions"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-TransactionsDownloadByInvoice.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-TransactionsDownloadByInvoice.json
new file mode 100644
index 00000000000..2874312669e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/Operation-TransactionsDownloadByInvoice.json
@@ -0,0 +1,16 @@
+{
+  "name": "TransactionsDownloadByInvoice",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    202
+  ],
+  "longRunning": true,
+  "httpMethod": "POST",
+  "resourceIdName": "BillingAccountInvoiceId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "DocumentDownloadResult"
+  },
+  "uriSuffix": "/transactionsDownload"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingAccountInvoiceId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingAccountInvoiceId.json
new file mode 100644
index 00000000000..75e6ae3ab98
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingAccountInvoiceId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingAccountInvoiceId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoices",
+      "type": "Static",
+      "value": "invoices"
+    },
+    {
+      "name": "invoiceName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileId.json
new file mode 100644
index 00000000000..230d983d8a5
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-BillingProfileId.json
@@ -0,0 +1,34 @@
+{
+  "name": "BillingProfileId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transaction/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-InitiatorCustomerType.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-InitiatorCustomerType.json
new file mode 100644
index 00000000000..0fa2cd64d38
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-InitiatorCustomerType.json
@@ -0,0 +1,14 @@
+{
+  "name": "InitiatorCustomerType",
+  "type": "String",
+  "values": [
+    {
+      "key": "EA",
+      "value": "EA"
+    },
+    {
+      "key": "Partner",
+      "value": "Partner"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductTransferStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductTransferStatus.json
new file mode 100644
index 00000000000..4e6c7068797
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductTransferStatus.json
@@ -0,0 +1,22 @@
+{
+  "name": "ProductTransferStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "InProgress",
+      "value": "InProgress"
+    },
+    {
+      "key": "NotStarted",
+      "value": "NotStarted"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductType.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductType.json
new file mode 100644
index 00000000000..8a0fb338502
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-ProductType.json
@@ -0,0 +1,26 @@
+{
+  "name": "ProductType",
+  "type": "String",
+  "values": [
+    {
+      "key": "AzureReservation",
+      "value": "AzureReservation"
+    },
+    {
+      "key": "AzureSubscription",
+      "value": "AzureSubscription"
+    },
+    {
+      "key": "Department",
+      "value": "Department"
+    },
+    {
+      "key": "SAAS",
+      "value": "SAAS"
+    },
+    {
+      "key": "SavingsPlan",
+      "value": "SavingsPlan"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-TransferStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-TransferStatus.json
new file mode 100644
index 00000000000..f86e99e8302
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Constant-TransferStatus.json
@@ -0,0 +1,38 @@
+{
+  "name": "TransferStatus",
+  "type": "String",
+  "values": [
+    {
+      "key": "Canceled",
+      "value": "Canceled"
+    },
+    {
+      "key": "Completed",
+      "value": "Completed"
+    },
+    {
+      "key": "CompletedWithErrors",
+      "value": "CompletedWithErrors"
+    },
+    {
+      "key": "Declined",
+      "value": "Declined"
+    },
+    {
+      "key": "Expired",
+      "value": "Expired"
+    },
+    {
+      "key": "Failed",
+      "value": "Failed"
+    },
+    {
+      "key": "InProgress",
+      "value": "InProgress"
+    },
+    {
+      "key": "Pending",
+      "value": "Pending"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-DetailedTransferStatus.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-DetailedTransferStatus.json
new file mode 100644
index 00000000000..97180b2de0f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-DetailedTransferStatus.json
@@ -0,0 +1,83 @@
+{
+  "name": "DetailedTransferStatus",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "errorDetails",
+      "name": "ErrorDetails",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransferError"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productId",
+      "name": "ProductId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productName",
+      "name": "ProductName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "productType",
+      "name": "ProductType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "skuDescription",
+      "name": "SkuDescription",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transferStatus",
+      "name": "TransferStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "ProductTransferStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferProperties.json
new file mode 100644
index 00000000000..9cfb5c9cc9e
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferProperties.json
@@ -0,0 +1,18 @@
+{
+  "name": "InitiateTransferProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "recipientEmailId",
+      "name": "RecipientEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferRequest.json
new file mode 100644
index 00000000000..ed06cc21e6c
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-InitiateTransferRequest.json
@@ -0,0 +1,18 @@
+{
+  "name": "InitiateTransferRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InitiateTransferProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferProperties.json
new file mode 100644
index 00000000000..c04832ab0f2
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferProperties.json
@@ -0,0 +1,31 @@
+{
+  "name": "PartnerInitiateTransferProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "recipientEmailId",
+      "name": "RecipientEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerId",
+      "name": "ResellerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferRequest.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferRequest.json
new file mode 100644
index 00000000000..4ffebb3ec15
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerInitiateTransferRequest.json
@@ -0,0 +1,18 @@
+{
+  "name": "PartnerInitiateTransferRequest",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PartnerInitiateTransferProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferDetails.json
new file mode 100644
index 00000000000..c3c94bc3b16
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferDetails.json
@@ -0,0 +1,83 @@
+{
+  "name": "PartnerTransferDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "PartnerTransferProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferProperties.json
new file mode 100644
index 00000000000..147e65d6f24
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-PartnerTransferProperties.json
@@ -0,0 +1,127 @@
+{
+  "name": "PartnerTransferProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "canceledBy",
+      "name": "CanceledBy",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "detailedTransferStatus",
+      "name": "DetailedTransferStatus",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "DetailedTransferStatus"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expirationTime",
+      "name": "ExpirationTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "initiatorCustomerType",
+      "name": "InitiatorCustomerType",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "InitiatorCustomerType"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "initiatorEmailId",
+      "name": "InitiatorEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "recipientEmailId",
+      "name": "RecipientEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerId",
+      "name": "ResellerId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "resellerName",
+      "name": "ResellerName",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transferStatus",
+      "name": "TransferStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransferStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferDetails.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferDetails.json
new file mode 100644
index 00000000000..c9d28d59fce
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferDetails.json
@@ -0,0 +1,83 @@
+{
+  "name": "TransferDetails",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "id",
+      "name": "Id",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "name",
+      "name": "Name",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "properties",
+      "name": "Properties",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransferProperties"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "systemData",
+      "name": "SystemData",
+      "objectDefinition": {
+        "type": "SystemData",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "tags",
+      "name": "Tags",
+      "objectDefinition": {
+        "type": "Tags",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "type",
+      "name": "Type",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferError.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferError.json
new file mode 100644
index 00000000000..a0701de1098
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferError.json
@@ -0,0 +1,31 @@
+{
+  "name": "TransferError",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "code",
+      "name": "Code",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "message",
+      "name": "Message",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferProperties.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferProperties.json
new file mode 100644
index 00000000000..3528279519d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Model-TransferProperties.json
@@ -0,0 +1,88 @@
+{
+  "name": "TransferProperties",
+  "fields": [
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "canceledBy",
+      "name": "CanceledBy",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "detailedTransferStatus",
+      "name": "DetailedTransferStatus",
+      "objectDefinition": {
+        "type": "List",
+        "referenceName": null,
+        "nestedItem": {
+          "type": "Reference",
+          "referenceName": "DetailedTransferStatus"
+        }
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "dateFormat": "RFC3339",
+      "jsonName": "expirationTime",
+      "name": "ExpirationTime",
+      "objectDefinition": {
+        "type": "DateTime",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "initiatorEmailId",
+      "name": "InitiatorEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "recipientEmailId",
+      "name": "RecipientEmailId",
+      "objectDefinition": {
+        "type": "String",
+        "referenceName": null
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    },
+    {
+      "containsDiscriminatedTypeValue": false,
+      "jsonName": "transferStatus",
+      "name": "TransferStatus",
+      "objectDefinition": {
+        "type": "Reference",
+        "referenceName": "TransferStatus"
+      },
+      "optional": true,
+      "readOnly": false,
+      "required": false,
+      "sensitive": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Cancel.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Cancel.json
new file mode 100644
index 00000000000..047b4b9c48b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Cancel.json
@@ -0,0 +1,15 @@
+{
+  "name": "Cancel",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "InvoiceSectionTransferId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "TransferDetails"
+  },
+  "uriSuffix": "/cancel"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Get.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Get.json
new file mode 100644
index 00000000000..1f15c94ac4f
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Get.json
@@ -0,0 +1,14 @@
+{
+  "name": "Get",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionTransferId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "TransferDetails"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Initiate.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Initiate.json
new file mode 100644
index 00000000000..b13d5f5114b
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-Initiate.json
@@ -0,0 +1,19 @@
+{
+  "name": "Initiate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": false,
+  "httpMethod": "PUT",
+  "resourceIdName": "InvoiceSectionTransferId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "InitiateTransferRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "TransferDetails"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-List.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-List.json
new file mode 100644
index 00000000000..c30b40c0a65
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-List.json
@@ -0,0 +1,16 @@
+{
+  "name": "List",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "InvoiceSectionId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "TransferDetails"
+  },
+  "uriSuffix": "/transfers"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersCancel.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersCancel.json
new file mode 100644
index 00000000000..26e3ca1d69d
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersCancel.json
@@ -0,0 +1,15 @@
+{
+  "name": "PartnerTransfersCancel",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "POST",
+  "resourceIdName": "CustomerTransferId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PartnerTransferDetails"
+  },
+  "uriSuffix": "/cancel"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersGet.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersGet.json
new file mode 100644
index 00000000000..1b97063b561
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersGet.json
@@ -0,0 +1,14 @@
+{
+  "name": "PartnerTransfersGet",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "CustomerTransferId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PartnerTransferDetails"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersInitiate.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersInitiate.json
new file mode 100644
index 00000000000..eda1f2b2990
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersInitiate.json
@@ -0,0 +1,19 @@
+{
+  "name": "PartnerTransfersInitiate",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200,
+    201
+  ],
+  "longRunning": false,
+  "httpMethod": "PUT",
+  "resourceIdName": "CustomerTransferId",
+  "requestObject": {
+    "type": "Reference",
+    "referenceName": "PartnerInitiateTransferRequest"
+  },
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PartnerTransferDetails"
+  }
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersList.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersList.json
new file mode 100644
index 00000000000..3af34642797
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/Operation-PartnerTransfersList.json
@@ -0,0 +1,16 @@
+{
+  "name": "PartnerTransfersList",
+  "contentType": "application/json; charset=utf-8",
+  "expectedStatusCodes": [
+    200
+  ],
+  "fieldContainingPaginationDetails": "nextLink",
+  "longRunning": false,
+  "httpMethod": "GET",
+  "resourceIdName": "BillingProfileCustomerId",
+  "responseObject": {
+    "type": "Reference",
+    "referenceName": "PartnerTransferDetails"
+  },
+  "uriSuffix": "/transfers"
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-BillingProfileCustomerId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-BillingProfileCustomerId.json
new file mode 100644
index 00000000000..c1ea8126484
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-BillingProfileCustomerId.json
@@ -0,0 +1,43 @@
+{
+  "name": "BillingProfileCustomerId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-CustomerTransferId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-CustomerTransferId.json
new file mode 100644
index 00000000000..e89032429ef
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-CustomerTransferId.json
@@ -0,0 +1,52 @@
+{
+  "name": "CustomerTransferId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/customers/{customerName}/transfers/{transferName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticCustomers",
+      "type": "Static",
+      "value": "customers"
+    },
+    {
+      "name": "customerName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticTransfers",
+      "type": "Static",
+      "value": "transfers"
+    },
+    {
+      "name": "transferName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionId.json
new file mode 100644
index 00000000000..789232725ec
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionId.json
@@ -0,0 +1,43 @@
+{
+  "name": "InvoiceSectionId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionTransferId.json b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionTransferId.json
new file mode 100644
index 00000000000..aa7647337e4
--- /dev/null
+++ b/api-definitions/resource-manager/Billing/2024-04-01/Transfers/ResourceId-InvoiceSectionTransferId.json
@@ -0,0 +1,52 @@
+{
+  "name": "InvoiceSectionTransferId",
+  "id": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoiceSections/{invoiceSectionName}/transfers/{transferName}",
+  "segments": [
+    {
+      "name": "staticProviders",
+      "type": "Static",
+      "value": "providers"
+    },
+    {
+      "name": "staticMicrosoftBilling",
+      "type": "ResourceProvider",
+      "value": "Microsoft.Billing"
+    },
+    {
+      "name": "staticBillingAccounts",
+      "type": "Static",
+      "value": "billingAccounts"
+    },
+    {
+      "name": "billingAccountName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticBillingProfiles",
+      "type": "Static",
+      "value": "billingProfiles"
+    },
+    {
+      "name": "billingProfileName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticInvoiceSections",
+      "type": "Static",
+      "value": "invoiceSections"
+    },
+    {
+      "name": "invoiceSectionName",
+      "type": "UserSpecified"
+    },
+    {
+      "name": "staticTransfers",
+      "type": "Static",
+      "value": "transfers"
+    },
+    {
+      "name": "transferName",
+      "type": "UserSpecified"
+    }
+  ]
+}
\ No newline at end of file