Swagger 2.0 definition for AWS API Gateway endpoint to Proxy API requests and add API client ID and secret

AWSAPIGateway_ProxyAPIwithCreds.json

{
  "swagger": "2.0",
  "info": {
    "version": "2016-09-12T23:19:28Z",
    "title": "ProxyAPIwithCreds"
  },
  "host": "my-domain.com",
  "basePath": "/test",
  "schemes": [
    "https"
  ],
  "paths": {
    "/search/{proxy+}": {
      "x-amazon-apigateway-any-method": {
        "produces": [
          "application/json"
        ],
        "parameters": [
          {
            "name": "proxy",
            "in": "path",
            "required": true,
            "type": "string"
          }
        ],
        "responses": {},
        "x-amazon-apigateway-integration": {
          "responses": {
            "default": {
              "statusCode": "200"
            }
          },
          "requestParameters": {
            "integration.request.path.proxy": "method.request.path.proxy",
            "integration.request.querystring.client_id": "'XXXXXXXXX'",
            "integration.request.querystring.client_secret": "'ZZZZZZZZZ'"
          },
          "uri": "https://external-domain.com/api/{proxy}",
          "passthroughBehavior": "when_no_match",
          "httpMethod": "ANY",
          "type": "http_proxy"
        }
      }
    }
  }
}

• Replace XXXXXXXXX with your API client ID and replace ZZZZZZZZZ with your API client secret. Any other parameters are passed through.
• Update the x-amazon-apigateway-integration's uri field with the desired API endpoint to proxy to.

AWS Instructions: https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-import-api.html
Also see the child articles for the different ways to import the Swagger 2.0 template.