Data Mapping

Data flow

When we invoke a REST API, the data flows through a series of steps, as shown below:

• The method request identifies the incoming request and extracts components like the path parameters, headers, and query parameters. It can validate the request based on these components.

• The integration request maps the available inputs to the inputs required by the target API. It has the required IAM role needed to invoke the target API.

• The target API could be a Lambda function, any AWS service, or an external URL our API invokes as part of the integration.

• The integration response maps the response from the target service to the response expected by the API client.

• The ...