Creating an API Gateway with AWS SAM and Node.js

If you're building a serverless application with Lambda, chances are you need to expose your functions as APIs. That's where Amazon API Gateway comes in — and AWS SAM makes it incredibly easy to define and deploy them. In this post, you’ll learn how to: Define an API Gateway in template.yml Connect it to a Lambda function Understand the difference between REST API and HTTP API in terms of performance and cost

Apr 24, 2025 - 21:16
 0
Creating an API Gateway with AWS SAM and Node.js

If you're building a serverless application with Lambda, chances are you need to expose your functions as APIs. That's where Amazon API Gateway comes in — and AWS SAM makes it incredibly easy to define and deploy them.

In this post, you’ll learn how to:

  • Define an API Gateway in template.yml
  • Connect it to a Lambda function
  • Understand the difference between REST API and HTTP API in terms of performance and cost