# Introduction Tendermint supports the following RPC protocols: * URI over HTTP * JSONRPC over HTTP * JSONRPC over websockets Tendermint RPC is built using [our own RPC library](https://github.com/blockchainworkers/conch/tree/master/rpc/lib) which contains its own set of documentation and tests.

Package core_grpc is a generated protocol buffer package.

HTTP RPC server supporting calls via uri params, jsonrpc, and jsonrpc over websockets # Client Requests Suppose we want to expose the rpc function `HelloWorld(name string, num int)`.