HTTP Status Codes Reference

Quick reference for HTTP status codes grouped by category. Search and filter to find what you need.

Code	Name	Description
100	Continue	Server has received request headers and client should proceed.
101	Switching Protocols	Server is switching protocols as requested.
102	Processing	Server has received and is processing the request.

Code	Name	Description
200	OK	Standard success response.
201	Created	Resource created successfully.
202	Accepted	Request accepted for processing.
204	No Content	Success but no content to return.

Code	Name	Description
301	Moved Permanently	Resource permanently moved to a new URL.
302	Found	Temporary redirect.
304	Not Modified	Resource has not changed since last request.
307	Temporary Redirect	Temporary redirect (method unchanged).
308	Permanent Redirect	Permanent redirect (method unchanged).

Code	Name	Description
400	Bad Request	Server cannot process due to client error.
401	Unauthorized	Authentication required.
403	Forbidden	Server refuses to authorize the request.
404	Not Found	Resource does not exist.
405	Method Not Allowed	HTTP method not supported for this resource.
408	Request Timeout	Server timed out waiting for request.
409	Conflict	Request conflicts with current state.
410	Gone	Resource is permanently gone.
422	Unprocessable Entity	Request understood but could not process.
429	Too Many Requests	Rate limit exceeded.

Code	Name	Description
500	Internal Server Error	Generic server error.
502	Bad Gateway	Invalid response from upstream server.
503	Service Unavailable	Server temporarily unavailable.
504	Gateway Timeout	Upstream server timed out.

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HTTP Status Code Categories

1xx: Informational — request received
2xx: Success — action completed
3xx: Redirection — further action needed
4xx: Client Error — request has issues
5xx: Server Error — server failed