Returned Values for General Requests

200

Request succeeded.

201

Request processed.

202

After the task is successfully delivered, the task to be delivered shall be postponed because the system is busy.

204

Task delivered.

300 multiple choices

The requested resource has multiple available responses.

400 Bad Request

The server failed to process the request.

401 Unauthorized

You need to enter the username and password to access the page requested.

403 Forbidden

You are forbidden to access the page requested.

404 Not Found

The server cannot find the page requested.

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 cannot be accepted by the client.

407 Proxy Authentication Required

You must use the proxy server for authentication. Then, the request can be processed.

408 Request Timeout

The request timed out.

409 Conflict

The request cannot be processed due to a conflict.

429 Too Many Requests

The request throttling threshold is reached.

500 Internal Server Error

Failed to complete the request because an internal service error occurs. A service exception occurred.

501 Not Implemented

Failed to complete the request because an internal service error occurs. The server does not support the requested function.

502 Bad Gateway

Failed to complete the request because an internal service error occurs. Failed to complete the request because the server receives an invalid request.

503 Service Unavailable

Failed to complete the request because an internal service error occurs. The system is currently unavailable.

504 Gateway Timeout

A gateway timeout error occurs.