Permanent Redirect

Like 301, but the client must not change the HTTP method when following the redirect.

The 3xx class

3xx — Redirection. The client must take additional action, usually following a Location header. 301/308 are permanent, 302/307 temporary, 304 means "use your cache".

Monitoring for this code

Redirects deserve monitoring attention: an unexpected redirect on an API endpoint often signals a misconfigured gateway, an expired domain setup or an auth wall. Assert the exact expected status code so a silent 3xx doesn't hide a regression.

Other 3xx status codes

300 Multiple Choices 301 Moved Permanently 302 Found 303 See Other 304 Not Modified 305 Use Proxy 307 Temporary Redirect

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