api-gateway

# AWS API Gateway Amazon API Gateway is a fully managed service for creating, publishing, and securing APIs at any scale. Supports REST APIs, HTTP APIs, and WebSocket APIs. ## Table of Contents - [Core Concepts](#core-concepts) - [Common Patterns](#common-patterns) - [CLI Reference](#cli-reference) - [Best Practices](#best-practices) - [Troubleshooting](#troubleshooting) - [References](#references) ## Core Concepts ### API Types | Type | Description | Use Case | |------|-------------|----------| | **HTTP API** | Low-latency, cost-effective | Simple APIs, Lambda proxy | | **REST API** | Full-featured, more control | Complex APIs, transformation | | **WebSocket API** | Bidirectional communication | Real-time apps, chat | ### Key Components - **Resources**: URL paths (/users, /orders/{id}) - **Methods**: HTTP verbs (GET, POST, PUT, DELETE) - **Integrations**: Backend connections (Lambda, HTTP, AWS services) - **Stages**: Deployment environments (dev, prod) ### Integration Types | Type | Description | |------|-------------| | **Lambda Proxy** | Pass-through to Lambda (recommended) | | **Lambda Custom** | Transform request/response | | **HTTP Proxy** | Pass-through to HTTP endpoint | | **AWS Service** | Direct integration with AWS services | | **Mock** | Return static response | ## Common Patterns ### Create HTTP API with Lambda **AWS CLI:** ```bash # Create HTTP API aws apigatewayv2 create-api \ --name my-api \ --protocol-type HTTP \ --target arn:aws:lambda:us...