Client errors
| Error code | Description | HTTP status code | Semantics |
|---|---|---|---|
| MissingParameter | The input parameter “parameter name” that is mandatory for processing this request is not supplied | 400 | The parameter is missing. |
| InvalidParameter | The specified value of parameter “parameter name” is not valid. | 400 | The parameter value is invalid. |
| UnsupportedOperation | The specified action is not supported. | 400 | The interface is invalid. |
| NoSuchVersion | The specified version does not exist. | 400 | The version is invalid. |
| Throttling | Request was denied due to request throttling. | 400 | The operation is rejected by the traffic control system. |
| InvalidAccessKeyId.NotFound | The Access Key ID provided does not exist in our records. | 400 | The AccessKey is invalid. |
| Forbidden | User not authorized to operate on the specified resource. | 403 | The operation is not permitted. |
| Forbidden.RiskControl | This operation is forbidden by Aliyun Risk Control system. | 403 | The operation is forbidden by the risk control system. |
| SignatureDoesNotMatch | The signature we calculated does not match the one you provided. Please refer to the API reference about authentication for details. | 403 | The signature is invalid. |
| Forbidden.UserVerification | Your user account is not verified by Aliyun. | 403 | Real-name verification is missing. |
Server errors
| Error code | Description | HTTP status code | Semantics |
|---|---|---|---|
| InternalError | The request processing has failed due to some unknown error, exception or failure. | 500 | The server cannot process the request. |
| ServiceUnavailable | The request has failed due to a temporary failure of the server. | 503 | The server cannot process the request currently. |