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API Gateway

Build and manage RESTful and WebSocket APIs at scale.

API Types​

REST APIs​

  • Resource-based API design
  • HTTP methods and status codes
  • Request/response transformations

HTTP APIs​

  • Lower latency and cost
  • JWT authorizers
  • CORS configuration

WebSocket APIs​

  • Real-time bidirectional communication
  • Connection management
  • Route selection expressions

Security and Authorization​

Authentication Methods​

  • API keys for identification
  • AWS IAM for authorization
  • Cognito user pools integration

Custom Authorizers​

  • Lambda authorizers
  • Token-based authorization
  • Request parameter validation

Performance and Scaling​

Caching​

  • Response caching strategies
  • Cache key configuration
  • TTL and invalidation

Throttling​

  • Rate limiting configuration
  • Burst capacity management
  • Usage plans and quotas

Monitoring and Debugging​

CloudWatch Integration​

  • API metrics and logs
  • Custom metrics creation
  • Alarm configuration

X-Ray Tracing​

  • Request tracing
  • Performance analysis
  • Error identification