HTTP Status Codes

Every HTTP response code explained β€” searchable, filterable, copy-ready.

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About HTTP Status Codes

HTTP status codes are three-digit numbers returned by a web server in response to a client request. They are grouped into five classes: 1xx (Informational) β€” the request was received and processing continues; 2xx (Successful) β€” the request was received, understood and accepted; 3xx (Redirection) β€” further action is needed to complete the request; 4xx (Client errors) β€” the request contains bad syntax or cannot be fulfilled; 5xx (Server errors) β€” the server failed to fulfil a valid request.

Understanding status codes is essential for building and debugging web applications, APIs and server infrastructure. Click any code to copy it to your clipboard. The search field matches on code number, name, and description keywords.

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