API Gateway Patterns

Expert guidance for implementing API gateways with routing, authentication, traffic management, and service composition patterns for microservices architectures at scale.

When to Use This Skill

• Implementing API gateway infrastructure for microservices
• Designing Backend for Frontend (BFF) layers
• Adding authentication and authorization at the gateway level
• Implementing rate limiting, circuit breakers, and retry logic
• Setting up service discovery and dynamic routing
• Building API composition and aggregation layers
• Managing cross-cutting concerns (logging, monitoring, CORS)
• Evaluating gateway solutions (Kong, Nginx, Envoy, AWS API Gateway)

Core Concepts