title: Is there any way to forward traffic from API GW to another API Gateway via integration method?
body: <p>I'm trying to work to do a proxy from a private API Gateway to another API Gateway.</p>
  <p>When I used this flow: API Gateway - HTTP Endpoint Type point to DNS of another API Gateway URL, I received those error: &quot;Invalid Endpoint Address&quot; and  &quot;There was an internal error while executing your request&quot;.</p>
  <p>When I used this flow: API Gateway - VPC Link point to NLB - NLB target to IPs of VPC Endpoint - API Gateway, I received this error &quot;Execution failed due to configuration error: Not a valid protocol version: [0x1e][0x1f][0x20][0x21][0x22][0x23][0x24]&quot;</p>
  <p>Have anyone done something like this before?</p>