404
HTTP 404 Not Found
4xx Client Error
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4xx Client Error
RFC 7231, Section 6.5.4
What is HTTP 404 Not Found?
The 404 (Not Found) status code is one of the most recognized HTTP status codes. It indicates that the server cannot find the requested resource. In a browser, this means the URL is not recognized. In an API, this can mean the endpoint is valid but the specific resource doesn't exist. The server may return a custom 404 page that helps users navigate back to a working page.
Common Use Cases
- Broken links on websites
- Deleted or moved pages without redirect
- API requests for non-existent resources
- User mistyping a URL