Status Codes
AT&T MVNX APIs use conventional HTTP response codes to indicate the success or failure of an API request. In general: Codes in the 2xx range indicate success. Codes in the 4xx range indicate an error that failed given the information provided (e.g., a required parameter was omitted, field validation error). Codes in the 5xx range indicate an error with AT&T’S servers.
| Code | Status | Description |
|---|---|---|
| 200 | OK | The request completed successfully. |
| 204 | No Content | The request completed successfully. The response did not contain content. |
| 400 | Bad Request | Request is not valid due to problematic structure, parsing, encryption, or size. The response body will provide further information. |
| 401 | Authentication Error | Authentication error due to invalid credentials or invalid certificates. |
| 403 | Unauthorized | Action is not allowed or cannot be completed due to insufficient privileges. |
| 404 | 404 Not Found | Resource not found. |
| 408 | Timeout | Request timed out or gateway timed out. |
| 413 | Payload too large | Payload too large. |
| 422 | Validation Error | There was a field validation error, or missing mandatory information, or failed logical or business validation. The error message will contain details. |
| 503 | Service Unavailable | Service or related resources are not available, system is busy or overloaded. |