HTTP Status Codes for General Requests

Normal

**Table 1** Return codes for successful requests
Status Code	Description
200	Request succeeded.
202	Asynchronous requests (such as performing a task) are submitted successfully.

Abnormal

**Table 2** Return codes for failed requests
Status Code	Description
400 Bad Request	The server fails 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 page requested.
404 Not Found	The server could not find the requested page.
405 Method Not Allowed	The method specified in the request is not allowed.
409 Conflict	The request cannot be processed due to conflicts.
413 Request Entity Too Large	The request exceeds the resource quota.
415 Unsupported Media Type	Content-Type contained in the request header is not application/json.
422 Unprocessable Entity	Parameter or object in the request cannot be identified.
500 Internal Server Error	Failed to complete the request. The server is abnormal.
501 Not Implemented	Failed to complete the request. The server does not support the requested function.
503 Service Unavailable	Failed to complete the request. The system is currently unavailable.