Response Summary

API Step Expected response Notes
Update card details 204 No Content Confirms that the partial update request was accepted successfully.
Retrieve card details 200 OK Returns the latest card record with confirmed values stored in the platform.
Validation error 400 Bad Request Indicates the request is invalid, incomplete, or includes unsupported update fields.
Authentication error 401 Unauthorized Indicates the request is missing valid authentication credentials.
Resource not found 404 Not Found Indicates the requested card or token reference could not be found.