Go Gin gRPC Tutorial Basic API using gRPC and protobufs in Go with Go Gin Server cd server/ && go run main.go Client cd client/ && go run main.go You can test both GET requests /mult/:a/:b http://localhost:8080/mult/210/204 Response: { "result": "42840" } /add/:a/:b http://localhost:8080/add/210/204 Response: { "result": "42840" } Tested with standalone client Client: https://github.com/uw-labs/bloomrpc