Jan 5, 2026 · Responses are grouped in five classes: The status codes listed below are defined by RFC 9110. Note: If you receive a response that is not listed here, it is a non-standard response, possibly …

This article lists standard and notable non-standard HTTP response status codes. Standardized codes are defined by IETF as documented in Request for Comments (RFC) publications and maintained by …

Aug 9, 2024 · HTTP specification defines these standard status codes divided into five categories that can be used to convey the results of a client’s request.

200 HTTP Status Codes Searchable reference for all HTTP response status codes. Runs entirely in your browser.

May 19, 2026 · HTTP status codes are standard responses returned by a server to indicate the result of a client’s request. They help developers quickly understand whether a request was successful or if …

The most comprehensive guide to HTTP response codes. Covers standard RFC codes, WebDAV, Cloudflare errors (520-530), Nginx, and how to fix them.

Jul 23, 2025 · This guide explains the major HTTP status code categories and highlights some of the most common codes with their meanings, making it easy to understand what happens when you …

Mar 17, 2026 · This is a comprehensive reference of every HTTP status code defined in the HTTP specification (RFC 9110) and common extensions. Use it as a quick lookup when you encounter a …

Jun 5, 2026 · HTTP status codes are three-digit numbers returned by the server indicating the outcome of a client's request. The first digit defines the class of response. Clients act on the status code …

HTTP Status Code directory, with definitions, details and helpful code references.