Options preflight request fails with '405 Method Not Allowed' status response.

Options preflight request fails with 405 status with console error on browser as below:

Access to fetch at '***' from origin '***' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

Meanwhile, I could not see any trace captured on apigee for that OPTIONS request made.

Tried GET for the same request from postman and I see the response.

How do I debug the issue if it is not coming till trace?

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sidd-harth
Participant V

Provide your Cors policy and the configurations in the proxy.

Did you mention the required methods in Cors allow-method configurations?