diff --git a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/apimdeployment.json b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/apimdeployment.json
index bd156634493d..ac894be4160e 100644
--- a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/apimdeployment.json
+++ b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/apimdeployment.json
@@ -291,6 +291,9 @@
           },
           "ApiManagementCreateServiceWithNatGatewayEnabled": {
             "$ref": "./examples/ApiManagementCreateServiceWithNatGatewayEnabled.json"
+          },
+          "ApiManagementCreateServiceWithoutLegacyConfigurationApi": {
+            "$ref": "./examples/ApiManagementCreateServiceWithoutLegacyConfigurationApi.json"
           }
         },
         "parameters": [
@@ -1115,6 +1118,35 @@
       ],
       "description": "Custom hostname configuration."
     },
+    "ConfigurationApi": {
+      "type": "object",
+      "properties": {
+        "legacyApi": {
+          "type": "string",
+          "default": "Enabled",
+          "description": "Indication whether or not the legacy Configuration API (v1) should be exposed on the API Management service. Value is optional but must be 'Enabled' or 'Disabled'. If 'Disabled', legacy Configuration API (v1) will not be available for self-hosted gateways. Default value is 'Enabled'",
+          "enum": [
+            "Enabled",
+            "Disabled"
+          ],
+          "x-ms-enum": {
+            "name": "LegacyApiState",
+            "modelAsString": true,
+            "values": [
+              {
+                "value": "Enabled",
+                "description": "Legacy Configuration API (v1) is enabled for the service and self-hosted gateways can connect to it."
+              },
+              {
+                "value": "Disabled",
+                "description": "Legacy Configuration API (v1) is disabled for the service and self-hosted gateways can not connect to it."
+              }
+            ]
+          }
+        }
+      },
+      "description": "Information regarding the Configuration API of the API Management service."
+    },
     "VirtualNetworkConfiguration": {
       "type": "object",
       "properties": {
@@ -1466,6 +1498,10 @@
             "modelAsString": true
           }
         },
+        "configurationApi": {
+          "$ref": "#/definitions/ConfigurationApi",
+          "description": "Configuration API configuration of the API Management service."
+        },
         "virtualNetworkConfiguration": {
           "$ref": "#/definitions/VirtualNetworkConfiguration",
           "description": "Virtual network configuration of the API Management service."
diff --git a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementCreateServiceWithoutLegacyConfigurationApi.json b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementCreateServiceWithoutLegacyConfigurationApi.json
new file mode 100644
index 000000000000..59d9f758fdb8
--- /dev/null
+++ b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementCreateServiceWithoutLegacyConfigurationApi.json
@@ -0,0 +1,153 @@
+{
+  "parameters": {
+    "serviceName": "apimService1",
+    "resourceGroupName": "rg1",
+    "api-version": "2023-03-01-preview",
+    "subscriptionId": "subid",
+    "parameters": {
+      "properties": {
+        "publisherEmail": "apim@autorestsdk.com",
+        "publisherName": "autorestsdk",
+        "configurationApi": {
+          "legacyApi": "Disabled"
+        }
+      },
+      "sku": {
+        "name": "Basic",
+        "capacity": 1
+      },
+      "location": "Central US",
+      "tags": {
+        "tag1": "value1",
+        "tag2": "value2",
+        "tag3": "value3"
+      }
+    }
+  },
+  "responses": {
+    "201": {
+      "headers": {
+        "Location": "https://management.azure.com/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.ApiManagement/service/apimService1/operationresults/ZWFzdHVzOmFuZHktdGVzdGluZy0yMDIyLTA0LTAxLXByZXZpZXctNF9BY3RfODQ2ZWE4Ng==?api-version=2023-03-01-preview&asyncResponse",
+        "Azure-AsyncOperation": "https://management.azure.com/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.ApiManagement/service/apimService1/operationresults/ZWFzdHVzOmFuZHktdGVzdGluZy0yMDIyLTA0LTAxLXByZXZpZXctNF9BY3RfODQ2ZWE4Ng==?api-version=2023-03-01-preview&asyncResponse"
+      },
+      "body": {
+        "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.ApiManagement/service/apimService1",
+        "name": "apimService1",
+        "type": "Microsoft.ApiManagement/service",
+        "tags": {
+          "tag1": "value1",
+          "tag2": "value2",
+          "tag3": "value3"
+        },
+        "location": "Central US",
+        "etag": "AAAAAAAp3TM=",
+        "properties": {
+          "publisherEmail": "apim@autorestsdk.com",
+          "publisherName": "autorestsdk",
+          "notificationSenderEmail": "apimgmt-noreply@mail.windowsazure.com",
+          "provisioningState": "Created",
+          "targetProvisioningState": "Activating",
+          "createdAtUtc": "2019-12-18T06:33:28.0906918Z",
+          "hostnameConfigurations": [
+            {
+              "type": "Proxy",
+              "hostName": "apimService1.azure-api.net",
+              "negotiateClientCertificate": false,
+              "defaultSslBinding": true
+            }
+          ],
+          "virtualNetworkType": "None",
+          "certificates": [],
+          "disableGateway": false,
+          "configurationApi": {
+            "legacyApi": "Disabled"
+          },
+          "platformVersion": "stv2",
+          "apiVersionConstraint": {}
+        },
+        "sku": {
+          "name": "Basic",
+          "capacity": 1
+        },
+        "systemData": {
+          "createdBy": "string",
+          "createdByType": "Application",
+          "createdAt": "2020-02-01T01:01:01.1075056Z",
+          "lastModifiedBy": "string",
+          "lastModifiedByType": "Application",
+          "lastModifiedAt": "2020-02-02T02:03:01.1974346Z"
+        }
+      }
+    },
+    "200": {
+      "body": {
+        "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.ApiManagement/service/apimService1",
+        "name": "apimService1",
+        "type": "Microsoft.ApiManagement/service",
+        "tags": {
+          "tag1": "value1",
+          "tag2": "value2",
+          "tag3": "value3"
+        },
+        "location": "Central US",
+        "etag": "AAAAAAAp3UM=",
+        "properties": {
+          "publisherEmail": "apim@autorestsdk.com",
+          "publisherName": "autorestsdk",
+          "notificationSenderEmail": "apimgmt-noreply@mail.windowsazure.com",
+          "provisioningState": "Succeeded",
+          "targetProvisioningState": "",
+          "createdAtUtc": "2019-12-18T06:33:28.0906918Z",
+          "gatewayUrl": "https://apimService1.azure-api.net",
+          "gatewayRegionalUrl": "https://apimService1-centralus-01.regional.azure-api.net",
+          "portalUrl": "https://apimService1.portal.azure-api.net",
+          "developerPortalUrl": "https://apimService1.developer.azure-api.net",
+          "managementApiUrl": "https://apimService1.management.azure-api.net",
+          "scmUrl": "https://apimService1.scm.azure-api.net",
+          "hostnameConfigurations": [
+            {
+              "type": "Proxy",
+              "hostName": "apimService1.azure-api.net",
+              "negotiateClientCertificate": false,
+              "defaultSslBinding": true,
+              "certificateSource": "BuiltIn"
+            }
+          ],
+          "publicIPAddresses": [
+            "40.113.223.117"
+          ],
+          "customProperties": {
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Protocols.Tls10": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Protocols.Tls11": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Protocols.Ssl30": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Ciphers.TripleDes168": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Backend.Protocols.Tls10": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Backend.Protocols.Tls11": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Security.Backend.Protocols.Ssl30": "False",
+            "Microsoft.WindowsAzure.ApiManagement.Gateway.Protocols.Server.Http2": "False"
+          },
+          "virtualNetworkType": "None",
+          "certificates": [],
+          "disableGateway": false,
+          "configurationApi": {
+            "legacyApi": "Disabled"
+          },
+          "platformVersion": "stv2",
+          "apiVersionConstraint": {}
+        },
+        "sku": {
+          "name": "Basic",
+          "capacity": 1
+        },
+        "systemData": {
+          "createdBy": "string",
+          "createdByType": "Application",
+          "createdAt": "2020-02-01T01:01:01.1075056Z",
+          "lastModifiedBy": "string",
+          "lastModifiedByType": "Application",
+          "lastModifiedAt": "2020-02-02T02:03:01.1974346Z"
+        }
+      }
+    }
+  }
+}
diff --git a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementListServiceBySubscription.json b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementListServiceBySubscription.json
index e066c8b9a182..48d5187d10a3 100644
--- a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementListServiceBySubscription.json
+++ b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2023-03-01-preview/examples/ApiManagementListServiceBySubscription.json
@@ -125,6 +125,9 @@
               "apiVersionConstraint": {
                 "minApiVersion": "2019-12-01"
               },
+              "configurationApi": {
+                "legacyApi": "Enabled"
+              },
               "publicNetworkAccess": "Enabled"
             },
             "sku": {
@@ -243,6 +246,9 @@
               "apiVersionConstraint": {
                 "minApiVersion": "2019-12-01"
               },
+              "configurationApi": {
+                "legacyApi": "Enabled"
+              },
               "publicNetworkAccess": "Enabled"
             },
             "sku": {
@@ -341,6 +347,9 @@
               "apiVersionConstraint": {
                 "minApiVersion": "2019-12-01"
               },
+              "configurationApi": {
+                "legacyApi": "Enabled"
+              },
               "publicNetworkAccess": "Enabled"
             },
             "sku": {