The original title is: "REST vs GraphQL vs gRPC in 2026: An Architect's Decision Matrix"

Short summary

There is no single winner among REST, GraphQL, and gRPC—each fits a different API boundary. REST wins for public APIs due to caching and zero-onboarding familiarity; gRPC dominates internal service-to-service with protobuf contracts and streaming; GraphQL suits backends feeding divergent UIs but requires staffing the schema like a product. The article includes real performance benchmarks and warns against exposing GraphQL publicly without query-cost rate limiting.

• •REST for public APIs: cacheable, curl-able, 20 years of tooling and zero onboarding friction
• •gRPC for internal service-to-service: protobuf ~3x faster serialization, compile-time contracts, bidirectional streaming
• •GraphQL for multi-UI backends only if you staff the schema like a product; public GraphQL needs query-cost rate limiting (Shopify, GitHub model)

Generated with AI, which can make mistakes.