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gRPC-Gateway: Translate gRPC to RESTful JSON Gateway
gRPC-Gateway is a plugin of the Protobuf compiler that generates a reverse-proxy server which translates a RESTful HTTP API into gRPC. This allows browser clients to interact with gRPC services using standard HTTP/JSON calls.
Go
Added on 2025年6月19日19,308
Stars2,318
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LanguageProject Introduction
Summary
gRPC-Gateway is an open-source tool to expose gRPC services as RESTful JSON APIs. It simplifies client-side integration for environments where native gRPC is not feasible, such as browser-based applications.
Problem Solved
Direct gRPC calls are not easily made from web browsers or standard HTTP clients. gRPC-Gateway solves this by providing a generated HTTP API layer that acts as a bridge to your gRPC services, enabling broader client compatibility.
Core Features
Code Generation
Generates a reverse proxy from gRPC service definitions (.proto files) that serves a RESTful HTTP API.
Automatic Request/Response Translation
Automatically translates incoming HTTP/JSON requests into gRPC calls and outgoing gRPC responses back into JSON.
gRPC-HTTP Transcoding Compliance
Supports the gRPC HTTP transcoding specification, allowing flexible mapping of HTTP methods and paths to gRPC methods.
Tech Stack
Go
Protocol Buffers
gRPC
使用场景
gRPC-Gateway can be applied in various scenarios where gRPC services need to be accessed by non-gRPC clients.
场景一：Exposing gRPC Microservices as Public APIs
Details
Expose backend microservices built with gRPC as a public REST API for external consumers or frontend applications.
User Value
Simplifies external integration and widens the range of compatible clients.
场景二：Enabling Browser Access to gRPC Services
Details
Allow web browsers to directly interact with gRPC backend services using standard fetch or XHR calls.
User Value
Avoids the need for browser-specific gRPC client libraries or manual translation layers.
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