The request method (GET, POST, etc.) is not supported for the requested resource.
You're using the wrong HTTP verb. Maybe you're POSTing to a GET-only endpoint, or vice versa.
Using GET instead of POST
API only supports specific methods
Route handler doesn't export the method
CORS preflight blocking method
Check API documentation for allowed methods
Verify your fetch/axios method parameter
Export the correct HTTP method in route handler
Check CORS allowed methods header
DevConsole shows the exact HTTP method used. The API Lab lets you easily switch methods and retry.
Get DevConsole ProYou're using the wrong HTTP verb. Maybe you're POSTing to a GET-only endpoint, or vice versa.
Check API documentation for allowed methods Verify your fetch/axios method parameter Export the correct HTTP method in route handler Check CORS allowed methods header
Yes, 405 is a client error. This means the issue is with the request being sent, not the server.