The architecture of the solution presented in this example is straightforward. A REST API is deployed with API Gateway and the endpoints point to a Lambda function handling requests. The function, in ...

Use AWS KMS Customer Managed Keys to encrypt AWS CloudWatch log groups and Amazon DynamoDB tables. Configure AWS WAF for the Amazon API Gateway to allow access only from your organization's network.

AWS API Gateway is a popular managed service for developers to write, manage, and secure their application programming interfaces (APIs) in a Web environment.

AWS currently prices the Lambda free tier at 1 million free requests and 400,000 GB-seconds of compute time per month. “It’s ridiculously cheap,” Kroonenburg said.