All HTTP status codes

HTTP 308 Permanent Redirect

Redirection

Permanent counterpart of 307: the resource moved for good and the method/body must be preserved when following the redirect.

Defined in RFC 9110

Common causes

  • Permanent API endpoint moves
  • Vercel/CDN apex-to-www style permanent redirects that must keep POSTs intact

How to fix it

  1. Update clients to call the new URL directly

  2. Avoid chaining multiple 308s

Related status codes

301 Moved Permanently

The resource has permanently moved to the URL in the Location header. Browsers cache it and search engines transfer ranking signals to the new URL.

307 Temporary Redirect

Like 302, but the client must repeat the request to the new URL with the same method and body — a POST stays a POST.

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