HTTP Status Code Reference

Request headers received, client can continue sending request body.

Server agrees to switch protocols.

Server has received the request and is still processing.

Return some hints before the formal response.

Request successful.

Resource created.

Request accepted but not yet processed.

Request successful but no content returned.

Return partial content of resource.

Multiple responses available for request.

Resource permanently moved.

Resource temporarily redirected.

Resource not modified, can use cache directly.

Temporary redirect, keep original request method.

Permanent redirect, keep original request method.

Request format error or invalid parameters.

Authentication failed.

Identity recognized but no access permission.

Requested resource does not exist.

Request method not allowed.

Request timeout.

Current resource state conflicts with request.

Resource previously existed but permanently removed.

Request body too large.

Request frequency too high, rate limit triggered.

Request headers too large.

Server internal error.

Server does not support current functionality.

Gateway received invalid response from upstream.

Service currently unavailable.

Gateway timeout waiting for upstream.

Server does not support current HTTP version.

Server storage space insufficient.

Loop processing detected.