API Gateway Patterns: Kong vs Envoy vs Traefik in 2025

Originally published on TechSaaS Cloud Originally published on TechSaaS Cloud The API Gateway Role An API gateway sits between clients and your backend services. It handles cross-cutting concerns so your services do not have to: authentication, rate limiting, request routing, load balancing, caching, and observability. WebMobileIoTGatewayRate LimitAuthLoad BalanceTransformCacheService AService BService CDB / Cache API gateway pattern: a single entry point handles auth, rate limiting, and routing