## Handling Errors
Responses may return different HTTP status codes depending on request data and authorization.
| Status | Description | Client action |
|  --- | --- | --- |
| 401 | Unauthorized | Invalid X-Client-Id or signature verification failed |
| 400 | Bad request | The request parameters are invalid. This may be due to malformed values, incorrect formatting, or missing required parameters. |
| 404 | Not found | The requested resource doesn't exist. |
| 503 | Service Unavailable | The service is under maintenance. |
| 422 | Unprocessable Content | The request is syntactically valid, but it cannot be processed because one or more business rules or semantic validations failed. |
| 500 | Internal Server Error | The server encountered an unexpected condition that prevented it from fulfilling the request. |