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4xx Series
Terminal (Do not automatically retry)
405 Method Not Allowed
A request method is not supported for the requested resource; for example, a GET request on a form that requires data to be presented via POST.
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SEO Impact
Neutral. Typically happens to bots submitting forms. Real pages should always support GET.
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Common Causes
- 1Hitting a POST-only API with a GET request in browser
- 2REST routing errors
Code Examples
Go
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)