DevelopersTV

What is an API? (The Only Explanation You'll Need)

AWS Developers — Sep 18, 2026 — tutorial

Why watch

An accessible API fundamentals tutorial using a restaurant analogy to explain interface abstraction (menu=interface, waiter=access control, kitchen=backend). Covers the three main web API types with practical guidance on when to use REST, WebSocket, and GraphQL, then demonstrates building and deploying a live API endpoint using AWS API Gateway and Lambda. Designed for developers new to APIs who want conceptual understanding plus hands-on implementation experience.