| Error code | Additional information |
| authentication_failed | Incorrect authentication credentials. |
| permission_denied | Operation is not permitted for some reason (see request context and error message). |
| not_found | Requested resource wasn’t not found. |
| invalid | Incoming request contains some invalid data. |
| throttled | The client exceeded quotas and must wait a while before the Api begins to respond to his requests. |
| unknown_error | Most likely it’s an internal service error. Development team will be notified about it right away. |