syntax = "proto3"; package api.valuation; option go_package = "customer/api/valuation;valuation"; service Valuation { rpc GetEstimatePrice (GetEstimatePriceReq) returns (GetEstimatePriceReply); } message GetEstimatePriceReq { string origin = 1; string destination = 2; } message GetEstimatePriceReply { string origin = 1; string destination = 2; int64 price = 3; }