This document summarizes a presentation about building serverless APIs with Amazon Web Services. It introduces serverless architecture and key AWS services like API Gateway, Lambda, DynamoDB, S3, and Cognito. It provides code examples of using these services to build scalable and cost-effective serverless APIs, including integrating Lambda with DynamoDB and S3. The presentation discusses benefits of serverless including scalability, pay-per-use pricing, and how to get started with a serverless architecture by choosing the right services and defining a roadmap.