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HTTP Status Codes

HTTP Status Codes is a searchable reference for every standard HTTP response code, with its name, category and a plain-English explanation.

Última atualização: July 2026

Look up any HTTP status code (200, 301, 404, 500…) with its meaning and category. Free, instant, searchable reference.

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Search status codes

100ContinueInformational
The server received the request headers; the client should send the body.
101Switching ProtocolsInformational
The server is switching protocols as requested.
200OKSuccess
The request succeeded.
201CreatedSuccess
The request succeeded and a new resource was created.
202AcceptedSuccess
The request was accepted for processing but isn't complete.
204No ContentSuccess
Success, but there's no content to return.
206Partial ContentSuccess
The server is delivering part of the resource (range request).
301Moved PermanentlyRedirect
The resource has permanently moved to a new URL.
302FoundRedirect
The resource is temporarily at a different URL.
304Not ModifiedRedirect
The cached version is still valid; no need to re-download.
307Temporary RedirectRedirect
Temporary redirect that preserves the request method.
308Permanent RedirectRedirect
Permanent redirect that preserves the request method.
400Bad RequestClient error
The server can't process the request due to a client error.
401UnauthorizedClient error
Authentication is required and has failed or not been provided.
403ForbiddenClient error
The server understood the request but refuses to authorize it.
404Not FoundClient error
The requested resource could not be found.
405Method Not AllowedClient error
The HTTP method isn't allowed for this resource.
408Request TimeoutClient error
The server timed out waiting for the request.
409ConflictClient error
The request conflicts with the current state of the resource.
410GoneClient error
The resource is permanently gone.
418I'm a teapotClient error
An April Fools' joke code — the server refuses to brew coffee.
422Unprocessable EntityClient error
The request was well-formed but had semantic errors (validation).
429Too Many RequestsClient error
The client has sent too many requests (rate limited).
500Internal Server ErrorServer error
A generic server error occurred.
501Not ImplementedServer error
The server doesn't support the functionality required.
502Bad GatewayServer error
An upstream server returned an invalid response.
503Service UnavailableServer error
The server is temporarily overloaded or down for maintenance.
504Gateway TimeoutServer error
An upstream server didn't respond in time.

Como usar HTTP Status Codes

Search by code or keyword.
Read the meaning and category.
Use it to debug requests.

Perguntas frequentes

Which codes are included?

All standard 1xx–5xx status codes, grouped by category (informational, success, redirect, client error, server error).

Can I search by name?

Yes — search “not found”, “redirect” or a number like 404.

Is it free?

Yes, free and instant.

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