HTTP 405 Method Not Allowed vs 408 Request Timeout
Both HTTP 405 (Method Not Allowed) and 408 (Request Timeout) belong to the 4xx Client Error category. 405 indicates that the HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods. Meanwhile, 408 means that the server timed out waiting for the request. The client did not produce a request within the time the server was prepared to wait.
Description
The HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
When You See It
When sending POST to a read-only endpoint, or DELETE to a non-deletable resource.
How to Fix
Check the Allow response header for supported methods. Use the correct HTTP method.
Description
The server timed out waiting for the request. The client did not produce a request within the time the server was prepared to wait.
When You See It
When a client takes too long to send the complete request (slow upload, network issues).
How to Fix
Retry the request. Check your network connection. Reduce request payload size.
Key Differences
HTTP 405: The HTTP method is not allowed for the requested resource. The response includes an Allow header listing valid methods.
HTTP 408: The server timed out waiting for the request. The client did not produce a request within the time the server was prepared to wait.
You encounter 405 when when sending POST to a read-only endpoint, or DELETE to a non-deletable resource.
You encounter 408 when when a client takes too long to send the complete request (slow upload, network issues).
When to Use Which
For 405 (Method Not Allowed): Check the Allow response header for supported methods. Use the correct HTTP method. For 408 (Request Timeout): Retry the request. Check your network connection. Reduce request payload size.