HTTP 405 Method Not Allowed Error - Meaning & Fix
The HTTP 405 Method Not Allowed status code signals that while the server recognizes the request method, the target resource does not support it. An Allow header is included to guide the client, listing the methods the resource supports. This ensures the client knows which methods are permissible.
Main causes
Attempting to use an HTTP method not supported by the web server for a specific URL.
Incorrectly configured server or proxy that restricts specific HTTP methods.
Web application firewall (WAF) rules blocking specific HTTP methods deemed unsafe or unnecessary.
Outdated or misconfigured content management systems (CMS) that do not support specific HTTP methods.
# Request example curl -X GET https://sandbox.oxylabs.io/ -H 'Accept: text/html' -H 'Accept-Encoding: br' -H 'User-Agent: Safari/537.36'
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Common fixes
Ensure that the correct authentication credentials (username and password) are used for the request.
Check if the authentication method (e.g., Basic, OAuth, Bearer Token) required by the API or resource is correctly implemented in the request header.
Verify that the account associated with the credentials has sufficient permissions to access the requested resource.
Confirm that the authentication credentials have not expired or been revoked, and renew or update them if necessary.
# Response example HTTP/1.1 405 Method Not Allowed Content-Type: text/html Content-Length: 23 Method Not Allowed
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