HTTP headers
Access-Control-Request-Method HTTP Header Meaning
Access-Control-Request-Method tells the server which method a CORS preflight wants to use.
Meaning
The browser is asking whether a future cross-origin request with this method is allowed.
Where it appears
Browsers send it on preflight OPTIONS requests.
What to check
Check the matching Access-Control-Allow-Methods response.
Example
Access-Control-Request-Method: PUT