diff --git a/atst/domain/csp/cloud/mock_cloud_provider.py b/atst/domain/csp/cloud/mock_cloud_provider.py
index 414b0550..7baa2003 100644
--- a/atst/domain/csp/cloud/mock_cloud_provider.py
+++ b/atst/domain/csp/cloud/mock_cloud_provider.py
@@ -28,7 +28,9 @@ from .models import (
     PrincipalAdminRoleCSPPayload,
     PrincipalAdminRoleCSPResult,
     SubscriptionCreationCSPPayload,
+    SubscriptionCreationCSPResult,
     SubscriptionVerificationCSPPayload,
+    SuscriptionVerificationCSPResult,
     TaskOrderBillingCreationCSPPayload,
     TaskOrderBillingCreationCSPResult,
     TaskOrderBillingVerificationCSPPayload,
@@ -112,15 +114,27 @@ class MockCloudProvider(CloudProviderInterface):
         return csp_environment_id
 
     def create_subscription(self, payload: SubscriptionCreationCSPPayload):
-        pass
+        return self.create_subscription_creation(payload)
 
     def create_subscription_creation(self, payload: SubscriptionCreationCSPPayload):
-        pass
+        self._maybe_raise(self.NETWORK_FAILURE_PCT, self.NETWORK_EXCEPTION)
+        self._maybe_raise(self.SERVER_FAILURE_PCT, self.SERVER_EXCEPTION)
+        self._maybe_raise(self.UNAUTHORIZED_RATE, self.AUTHORIZATION_EXCEPTION)
+
+        return SubscriptionCreationCSPResult(
+            subscription_verify_url="https://zombo.com", subscription_retry_after=10
+        )
 
     def create_subscription_verification(
         self, payload: SubscriptionVerificationCSPPayload
     ):
-        pass
+        self._maybe_raise(self.NETWORK_FAILURE_PCT, self.NETWORK_EXCEPTION)
+        self._maybe_raise(self.SERVER_FAILURE_PCT, self.SERVER_EXCEPTION)
+        self._maybe_raise(self.UNAUTHORIZED_RATE, self.AUTHORIZATION_EXCEPTION)
+
+        return SuscriptionVerificationCSPResult(
+            subscription_id="subscriptions/60fbbb72-0516-4253-ab18-c92432ba3230"
+        )
 
     def create_atat_admin_user(self, auth_credentials, csp_environment_id):
         self._authorize(auth_credentials)
diff --git a/atst/domain/csp/cloud/models.py b/atst/domain/csp/cloud/models.py
index 2fd422d4..db3efa05 100644
--- a/atst/domain/csp/cloud/models.py
+++ b/atst/domain/csp/cloud/models.py
@@ -418,7 +418,7 @@ class SubscriptionCreationCSPPayload(BaseCSPPayload):
 
 class SubscriptionCreationCSPResult(AliasModel):
     subscription_verify_url: str
-    subscription_retry_after: str
+    subscription_retry_after: int
 
     class Config:
         fields = {