grpc-gateway

Health v2 · maintenance only

Adoption not part of the score

20006 stars · 2414 forks observed · 2026-10-19

What it is AI-extracted, prompt v1, taxonomy v1, 2026-10-19, confidence 0.98

gRPC-Gateway is a Go library and protoc plugin that generates a reverse-proxy server translating RESTful JSON HTTP APIs into gRPC calls. It enables services to expose both gRPC and traditional REST interfaces from a single protobuf definition.

Use cases

• Expose a gRPC service as a RESTful JSON API for web clients
• Generate OpenAPI/Swagger documentation from protobuf definitions
• Provide backward compatibility for existing REST clients while adopting gRPC
• Create a lightweight HTTP gateway for microservices written in Go
• Bridge mobile or browser applications that only support HTTP/JSON with a gRPC backend

When to choose

• You need both gRPC and REST/JSON endpoints from the same service
• Your API is defined with protobuf and you want automatic HTTP mapping
• You want to generate OpenAPI specs directly from your service definitions
• You are building Go microservices and prefer a native Go solution

When to avoid

• You require a gateway written in a language other than Go
• Your deployment environment cannot run protoc plugins or Go binaries
• You need advanced API management features like rate limiting or authentication out of the box

Facets

library · maturity active

api-framework http-server web-development backend microservices go windows cross-platform grpc-gateway protobuf rest json openapi grpc gateway linux macos

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markdown · JSON · MCP: product_card(name="grpc-ecosystem/grpc-gateway")