diff --git a/doc/get-transactions-history.md b/doc/get-transactions-history.md
index e5d43ee..9cfa124 100644
--- a/doc/get-transactions-history.md
+++ b/doc/get-transactions-history.md
@@ -10,7 +10,7 @@ $filter = new \ThePay\ApiClient\Filter\TransactionFilter('TP32111146804895511653
 $transactionPaginatedCollection = $client->getAccountTransactionHistory($filter);
 ```
 
-The first parameter of method **getAccountTransactionHistory** is filter object `\ThePay\ApiClient\Filter\TransactionFilter()`. All filter parameters are described in [Apiary](https://dataapi21.docs.apiary.io/#reference/0/merchant-level-resources/get-account-transaction-history).
+The first parameter of method **getAccountTransactionHistory** is filter object `\ThePay\ApiClient\Filter\TransactionFilter()`. All filter parameters are described in [Apiary](https://thepay.docs.apiary.io/#reference/0/merchant-level-resources/get-account-transaction-history).
 
 Second and third parameter are used for pagination, where second is page number and third is number of records per page. Parameters are not required.
 
diff --git a/doc/index.md b/doc/index.md
index 315be22..9f6f077 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -1,28 +1,28 @@
 # Available methods and usage
 
-[![API documentation](https://img.shields.io/static/v1?label=API&message=documentation)](https://dataapi21.docs.apiary.io/#)
+[![API documentation](https://img.shields.io/static/v1?label=API&message=documentation)](https://thepay.docs.apiary.io/#)
 
 
 | SDK method | API/GATE call | Description |
 | --- | --- | --- |
-| getProjects | https://dataapi21.docs.apiary.io/#reference/0/merchant-level-resources/get-projects | |
-| getActivePaymentMethods | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/get-payment-methods |
-| getPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/get-payment-detail |
-| getPayments | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/get-payments |
+| getProjects | https://thepay.docs.apiary.io/#reference/0/merchant-level-resources/get-projects | |
+| getActivePaymentMethods | https://thepay.docs.apiary.io/#reference/0/project-level-resources/get-payment-methods |
+| getPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/get-payment-detail |
+| getPayments | https://thepay.docs.apiary.io/#reference/0/project-level-resources/get-payments |
 | getPaymentButtons | |
 | getPaymentButton | |
 | getPaymentButtonsForPayment | |
-| createPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/create-new-payment |
-| realizePreauthorizedPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/realize-preauthorized-payment |
-| cancelPreauthorizedPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/cancel-preauthorized-payment |
-| getPaymentRefund | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/payment-refund-info |
-| createPaymentRefund | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/payment-refund-request |
-| getAccountTransactionHistory | https://dataapi21.docs.apiary.io/#reference/0/merchant-level-resources/get-account-transaction-history |
-| realizeRegularSubscriptionPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/realize-regular-subscription-payment |
-| realizeIrregularSubscriptionPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/realize-irregular-subscription-payment |
-| realizeUsageBasedSubscriptionPayment | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/realize-usage-based-subscription-payment |
-| realizePaymentBySavedAuthorization | https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/realize-payment-by-saved-authorization |
-| getPaymentUrlsForPayment | https://dataapi21.docs.apiary.io/#reference/payment-management/general-payment-management/get-available-payment-methods |
+| createPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/create-new-payment |
+| realizePreauthorizedPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/realize-preauthorized-payment |
+| cancelPreauthorizedPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/cancel-preauthorized-payment |
+| getPaymentRefund | https://thepay.docs.apiary.io/#reference/0/project-level-resources/payment-refund-info |
+| createPaymentRefund | https://thepay.docs.apiary.io/#reference/0/project-level-resources/payment-refund-request |
+| getAccountTransactionHistory | https://thepay.docs.apiary.io/#reference/0/merchant-level-resources/get-account-transaction-history |
+| realizeRegularSubscriptionPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/realize-regular-subscription-payment |
+| realizeIrregularSubscriptionPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/realize-irregular-subscription-payment |
+| realizeUsageBasedSubscriptionPayment | https://thepay.docs.apiary.io/#reference/0/project-level-resources/realize-usage-based-subscription-payment |
+| realizePaymentBySavedAuthorization | https://thepay.docs.apiary.io/#reference/0/project-level-resources/realize-payment-by-saved-authorization |
+| getPaymentUrlsForPayment | https://thepay.docs.apiary.io/#reference/payment-management/general-payment-management/get-available-payment-methods |
 
 ## Usage examples
 
diff --git a/doc/notifications.md b/doc/notifications.md
index f3647a9..b714231 100644
--- a/doc/notifications.md
+++ b/doc/notifications.md
@@ -10,7 +10,7 @@ There are three query parameters added to notifications url:
 
 * payment_uid
 * project_id
-* type (which determines notification type - see [Notification types enum](https://dataapi21.docs.apiary.io/#introduction/enums/notification-types))
+* type (which determines notification type - see [Notification types enum](https://thepay.docs.apiary.io/#introduction/enums/notification-types))
 
 In most cases you want to check the state of payment after getting notification:
 
diff --git a/src/Service/ApiService.php b/src/Service/ApiService.php
index 4c081ca..12ef0cc 100644
--- a/src/Service/ApiService.php
+++ b/src/Service/ApiService.php
@@ -57,7 +57,7 @@ public function __construct(TheConfig $config, HttpServiceInterface $httpService
     /**
      * Fetch all projects for merchant set in TheConfig
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/0/merchant-level-resources/get-projects
+     * @see https://thepay.docs.apiary.io/#reference/0/merchant-level-resources/get-projects
      *
      * @return Project[]
      */
@@ -85,7 +85,7 @@ public function getProjects()
     /**
      * Fetch all active payment methods.
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/projects/payment-methods/list-payment-methods
+     * @see https://thepay.docs.apiary.io/#reference/projects/payment-methods/list-payment-methods
      * @param LanguageCode|null $languageCode language for payment method titles, null value language from TheConfig used
      * @return PaymentMethodCollection
      * @throws ApiException
@@ -110,7 +110,7 @@ public function getActivePaymentMethods(LanguageCode $languageCode = null)
     }
 
     /**
-     * @see https://dataapi21.docs.apiary.io/#reference/data-retrieval/transactions/get-balance-history
+     * @see https://thepay.docs.apiary.io/#reference/data-retrieval/transactions/get-balance-history
      *
      * @param int|null $projectId
      *
@@ -151,7 +151,7 @@ static function (array $accountBalance) {
     }
 
     /**
-     * @see https://dataapi21.docs.apiary.io/#reference/0/merchant-level-resources/get-account-transaction-history
+     * @see https://thepay.docs.apiary.io/#reference/0/merchant-level-resources/get-account-transaction-history
      *
      * @param TransactionFilter $filter
      * @param int $page
@@ -178,7 +178,7 @@ public function getAccountTransactionHistory(TransactionFilter $filter, $page =
     /**
      * Get complete information about the specified payment.
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/get-payment-detail
+     * @see https://thepay.docs.apiary.io/#reference/0/project-level-resources/get-payment-detail
      *
      * @param Identifier $paymentUid
      *
@@ -202,7 +202,7 @@ public function getPayment(Identifier $paymentUid)
     /**
      * Invalidates the specified payment.
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/0/project-level-resources/invalidate-payment
+     * @see https://thepay.docs.apiary.io/#reference/0/project-level-resources/invalidate-payment
      *
      * @param Identifier $paymentUid
      *
@@ -224,7 +224,7 @@ public function invalidatePayment(Identifier $paymentUid)
     /**
      * Fetch information about payments by filter.
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/projects/payments/get-collection
+     * @see https://thepay.docs.apiary.io/#reference/projects/payments/get-collection
      * @param PaymentsFilter $filter
      * @param int $page
      * @param null|int $limit
@@ -495,7 +495,7 @@ public function getPaymentUrlsForPayment(Identifier $uid, LanguageCode $language
     /**
      * Method will generate PDF file as confirmation for paid payment
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/data-retrieval/payments/get-payment-confirmation
+     * @see https://thepay.docs.apiary.io/#reference/data-retrieval/payments/get-payment-confirmation
      *
      * @return string with binary content of PDF file
      *
diff --git a/src/Service/ApiServiceInterface.php b/src/Service/ApiServiceInterface.php
index 2ea52e1..fb7dba3 100644
--- a/src/Service/ApiServiceInterface.php
+++ b/src/Service/ApiServiceInterface.php
@@ -107,7 +107,7 @@ public function realizePaymentBySavedAuthorization(Identifier $parentPaymentUid,
     public function getPayments(PaymentsFilter $filter, $page = 1, $limit = null);
 
     /**
-     * @see https://dataapi21.docs.apiary.io/#reference/data-retrieval/transactions/get-balance-history
+     * @see https://thepay.docs.apiary.io/#reference/data-retrieval/transactions/get-balance-history
      *
      * @param int|null $projectId
      *
@@ -175,7 +175,7 @@ public function getPaymentUrlsForPayment(Identifier $uid, LanguageCode $language
     /**
      * Method will generate PDF file as confirmation for paid payment
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/data-retrieval/payments/get-payment-confirmation
+     * @see https://thepay.docs.apiary.io/#reference/data-retrieval/payments/get-payment-confirmation
      *
      * @return string with binary content of PDF file
      *
diff --git a/src/TheClient.php b/src/TheClient.php
index ae6ccbc..50e567d 100644
--- a/src/TheClient.php
+++ b/src/TheClient.php
@@ -73,7 +73,7 @@ public function __construct(
     /**
      * Fetch all projects for merchant set in TheConfig
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/0/merchant-level-resources/get-projects
+     * @see https://thepay.docs.apiary.io/#reference/0/merchant-level-resources/get-projects
      *
      * @return Project[]
      * @throws ApiException
@@ -84,7 +84,7 @@ public function getProjects()
     }
 
     /**
-     * @see https://dataapi21.docs.apiary.io/#reference/data-retrieval/transactions/get-balance-history
+     * @see https://thepay.docs.apiary.io/#reference/data-retrieval/transactions/get-balance-history
      *
      * @param string|null $accountIban
      * @param int|null $projectId
@@ -413,7 +413,7 @@ public function createPaymentRefund($paymentUid, $amount, $reason)
     /**
      * Method will generate PDF file as confirmation for paid payment
      *
-     * @see https://dataapi21.docs.apiary.io/#reference/data-retrieval/payments/get-payment-confirmation
+     * @see https://thepay.docs.apiary.io/#reference/data-retrieval/payments/get-payment-confirmation
      *
      * @param non-empty-string $paymentUid
      * @param non-empty-string|null $languageCode
diff --git a/src/ValueObject/PaymentMethodTag.php b/src/ValueObject/PaymentMethodTag.php
index b21d6fa..6eba810 100644
--- a/src/ValueObject/PaymentMethodTag.php
+++ b/src/ValueObject/PaymentMethodTag.php
@@ -3,7 +3,7 @@
 namespace ThePay\ApiClient\ValueObject;
 
 /**
- * @see https://dataapi21.docs.apiary.io/#introduction/enums/payment-method-tags
+ * @see https://thepay.docs.apiary.io/#introduction/enums/payment-method-tags
  */
 final class PaymentMethodTag extends EnumValueObject
 {
diff --git a/tests/BaseTestCase.php b/tests/BaseTestCase.php
index 21267e3..cb5631b 100644
--- a/tests/BaseTestCase.php
+++ b/tests/BaseTestCase.php
@@ -34,7 +34,7 @@ protected function getApiaryClient()
             '6cdf1b24',
             1212,
             'password',
-            'https://private-472c9-dataapi21.apiary-mock.com/',
+            'https://private-aa6aa3-thepay.apiary-mock.com/',
             'https://private-ddc40-gatezalozeniplatby.apiary-mock.com/'
         );
         return new TheClient($config);