Open Source API Gateway Comparison
Compare Apache APISIX, Kong, Envoy, and Traefik across architecture, extensibility, Kubernetes support, operations, and community.
What is an API Gateway? Definition, Benefits & Use Cases
Learn what an API Gateway is, how it handles routing, authentication, rate limiting, observability, and where Apache APISIX fits.
What is gRPC? Protocol Buffers, Performance & API Gateway Integration
Learn what the gRPC protocol is, how gRPC APIs use Protocol Buffers, streaming, and HTTP/2, and how Apache APISIX proxies and transforms gRPC traffic.
What Is Mutual TLS (mTLS)? Authentication and Certificates
Learn how mutual TLS (mTLS) authentication uses client and server certificates, how TLS vs mTLS differs, and how Apache APISIX enforces mTLS.