Kubernetes Ingress Nginx Service : AWS API Gateway/CloudFront returning 403

Question

I have been trying to use AWS API Gateway as externalName in kubernetes service.

apiVersion: v1
kind: Service
metadata:
  name: "aws-gateway"
spec:
  type: ExternalName
  externalName: 12345.execute-api.us-west-2.amazonaws.com

But I keep getting 403 response as below

Can someone please help me, how to fix this.