# Common Returned Values

Normal Response Code | Type | Description
--- | --- | ---
200 | OK | Specifies the normal response code for the GET and PUT operations.
201 | Created | Specifies the normal response code for the POST operation.
204 | No Content | Specifies the normal response code for the DELETE operation.

Returned Value | Description
--- | ---
400 Bad Request | The server failed to process the request.
401 Unauthorized | You must enter the username and password to access the requested page.
403 Forbidden | You are forbidden to access the requested page.
404 Not Found | The server could not find the requested page.
405 Method Not Allowed | You are not allowed to use the method specified in the request.
406 Not Acceptable | The response generated by the server could not be received by the client.
407 Proxy Authentication Required | You must use the proxy server for authentication so that the request can be processed.
408 Request Timeout | The request timed out.
409 Conflict | The request could not be processed due to a conflict.
500 Internal Server Error | The request is not completed because the service is abnormal.
501 Not Implemented | The request is not completed because the server does not support the requested function.
502 Bad Gateway | The request is not completed because the server receives an invalid response from an upstream server.
503 Service Unavailable | The request is not completed because the system is out of service temporarily.
504 Gateway Timeout | A gateway timed out.

Parent topic: Public Parameters