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Independent Network Tools

HTTP status code

Quickly find common HTTP status codes and Chinese meanings.
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29 Item
status codeEnglish nameMeaning
100ContinueContinue to send request body
101Switching Protocolsswitch protocol
200OKRequest success
201CreatedResource creation is successful
202AcceptedThe request was accepted and has not been processed
204No ContentSuccess but no response body
206Partial ContentReturn some content
301Moved Permanentlypermanent redirect
302FoundTemporary redirect
304Not ModifiedCache resources are still valid
307Temporary RedirectKeep the temporary redirect of the request method
308Permanent RedirectKeep a permanent redirect of the request method
400Bad RequestRequest format or parameter error
401UnauthorizedRequires authentication
403ForbiddenServer denied access
404Not FoundResource does not exist
405Method Not AllowedThe request method is not allowed
408Request TimeoutRequest timeout
409ConflictRequest conflict with current resource status
410GoneResources have been permanently removed
413Content Too LargeThe request body is too large
415Unsupported Media TypeUnsupported media types
422Unprocessable ContentThe syntax is correct but cannot be processed
429Too Many RequestsThe frequency of requests is too high
500Internal Server ErrorServer internal error
501Not ImplementedThe server does not implement this function
502Bad GatewayUpstream service returns exception
503Service UnavailableService is temporarily unavailable
504Gateway TimeoutWaiting for the upstream service to time out

HTTP status code description

Common HTTP status codes and Chinese meanings

Quickly filter HTTP status codes by numbers, English names or Chinese meanings to help locate web pages, interfaces, cache and gateway issues.

2xx success

The request has been successfully received or processed by the server, but status such as 204 may not return the response body.

3xx redirect

301 and 308 usually indicate permanent migration, and 302 and 307 are often used for temporary jumps; the method keeps the rules different.

4xx and 5xx

4xx usually means a request or permissions issue, and 5xx usually means that the source station, proxy or gateway processing failed.

HTTP status code Frequently asked questions

What is the difference between 404 and 410?

404 means that the resource cannot be found currently, and 410 clearly means that the resource has been permanently removed.

What is the difference between 502 and 504?

502 means the gateway has received an invalid upstream response, and 504 means waiting for the upstream response timeout.

HTTP status code · IP Query Network Toolbox

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