I think your instinct to reach for the straightforward solution is good. gRPC has advantages, but it also comes with complexity since you have to bring all the

I think your instinct to reach for the straightforward solution is good. gRPC has advantages, but it also comes with complexity since you have to bring all the tooling along. And the CPU burden of (de-)serializing JSON is a very different story than when Protobufs were developed in 2001.