Status Codes

**Table 1** Normal values
Returned Value	Description
200	Task submitted.
201	Resource created.

**Table 2** Abnormal values
Returned Value	Description
400 Bad Request	Incorrect request parameters.
401 Unauthorized	Authentication failed.
403 Forbidden	No permission to access the requested resource.
404 Not Found	The requested resource does not exist.
500 Internal Server Error	Failed to complete the request because the service is abnormal.
501 Not Implemented	Failed to complete the request. The server does not support the requested function.
502 Bad Gateway	Failed to complete the request. The server receives an invalid response from the upstream server.
503 Service Unavailable	Failed to complete the request because the service is unavailable.
504 Gateway Timeout	Gateway times out.