Possible API errors are as follows:
| Code | Text | Description |
|---|---|---|
| 400 | Bad Request | Missing or invalid parameter. Possible causes: - malformed request parameters. |
| 401 | Unauthorized | Authorization is missing or incorrect. Possible causes: - a user tries to authorize with a wrong login or password. - a user uses invalid session token. |
| 403 | Forbidden | Access has been refused. Possible causes: - a user tries to retrieve chat messages for a chat dialog while they are not in the occupants list. |
| 404 | Not Found | The requested resource could not be found. Possible causes: - a user tries to retrieve chat messages for the invalid chat dialog ID. - a user tries to retrieve a custom object record with invalid ID. |
| 422 | Unprocessable Entity | The request was well-formed but was unable to be followed due to validation errors. Possible causes: - create a user with the existent login or email. - provide values in the wrong format to create some object. |
| 429 | Too Many Requests | Rate limit for your current plan is exceeded. |
| 500 | Internal Server Error | Server encountered an error, try again later. |
| 503 | Service Unavailable | Server is at capacity, try again later. |