AWS Service Integration
Understand how API Gateway can communicate with AWS services directly, without a Lambda function.
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Service integration
AWS is a collection of RESTful web services (hence the name). All services in AWS expose an API that we can invoke with the necessary authentication. AWS services are available over HTTP without the API Gateway. In theory, it’s possible to invoke them remotely, even from the browser, but that requires extreme caution to follow the elaborate authentication framework. Otherwise, it can pose a security risk, which we want to avoid.
To understand this, open the AWS console in a browser. Then, open the browser’s developer tools and monitor the network traffic. A single click anywhere in the console generates more than fifteen API calls that manage the tokens and other handshakes required to protect the data flowing either way. We don't want to take all ...