diff --git a/appstoreserverlibrary/api_client.py b/appstoreserverlibrary/api_client.py
index 6374a552..e9dcb6d7 100644
--- a/appstoreserverlibrary/api_client.py
+++ b/appstoreserverlibrary/api_client.py
@@ -696,11 +696,11 @@ def __init__(self, signing_key: bytes, key_id: str, issuer_id: str, bundle_id: s
         if environment == Environment.XCODE:
             raise ValueError("Xcode is not a supported environment for an AppStoreServerAPIClient")
         if environment == Environment.PRODUCTION:
-            self._base_url = "https://api.storekit.itunes.apple.com"
+            self._base_url = "https://api.storekit.apple.com"
         elif environment == Environment.LOCAL_TESTING:
             self._base_url = "https://local-testing-base-url"
         elif environment == Environment.SANDBOX:
-            self._base_url = "https://api.storekit-sandbox.itunes.apple.com"
+            self._base_url = "https://api.storekit-sandbox.apple.com"
         else:
             raise ValueError("Invalid environment provided")
         self._signing_key = serialization.load_pem_private_key(signing_key, password=None, backend=default_backend())