gRPC is a high-performance Remote Procedure Call (RPC) framework. Similar like SOAP it uses a Contract-first approach to API development. It uses Protocol buffers (protobuf) to define services and messages sent between Client and servers. Protobuf messages are defined in .proto files.

The main benefits of gRPC are:

  • It’s modern lightweight Contract first API development using Protocol Buffers which uses binary serialization to transfer data. It mainly helps to reduce network usage.


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