HTTP status codes
Search HTTP status codes by number or message and review their category. A quick reference for APIs, debugging, and documentation.
100ContinueInformational101Switching ProtocolsInformational102ProcessingInformational103Early HintsInformational200OKSuccess201CreatedSuccess202AcceptedSuccess203Non-Authoritative InformationSuccess204No ContentSuccess205Reset ContentSuccess206Partial ContentSuccess207Multi-StatusSuccess208Already ReportedSuccess226IM UsedSuccess300Multiple ChoicesRedirect301Moved PermanentlyRedirect302FoundRedirect303See OtherRedirect304Not ModifiedRedirect305Use ProxyRedirect307Temporary RedirectRedirect308Permanent RedirectRedirect400Bad RequestClient error401UnauthorizedClient error402Payment RequiredClient error403ForbiddenClient error404Not FoundClient error405Method Not AllowedClient error406Not AcceptableClient error407Proxy Authentication RequiredClient error408Request TimeoutClient error409ConflictClient error410GoneClient error411Length RequiredClient error412Precondition FailedClient error413Content Too LargeClient error414URI Too LongClient error415Unsupported Media TypeClient error416Range Not SatisfiableClient error417Expectation FailedClient error418I'm a TeapotClient error421Misdirected RequestClient error422Unprocessable ContentClient error423LockedClient error424Failed DependencyClient error425Too EarlyClient error426Upgrade RequiredClient error428Precondition RequiredClient error429Too Many RequestsClient error431Request Header Fields Too LargeClient error451Unavailable For Legal ReasonsClient error500Internal Server ErrorServer error501Not ImplementedServer error502Bad GatewayServer error503Service UnavailableServer error504Gateway TimeoutServer error505HTTP Version Not SupportedServer error506Variant Also NegotiatesServer error507Insufficient StorageServer error508Loop DetectedServer error510Not ExtendedServer error511Network Authentication RequiredServer error// About this tool
Look up the meaning of an HTTP response code, from informational responses to server errors. Filter the list by code or message text. Each code is grouped by response class.
// How to use it
- Enter a status code or message keyword.
- Review matching codes and categories.
- Copy the code or message you need.
// Frequently asked questions
Does the list include every status code?
It covers the commonly used IANA-registered codes, including 1xx through 5xx.
Is the data updated automatically?
No. The reference is bundled with the page and updated when the site is rebuilt.