No, you don’t need to switch from REST gRPC is not the evolution of REST, nor is it a better way to build APIs. In a nutshell, gRPC is a way to use RPC’s lightweight structure along with HTTP with a few handy tweaks. It’s just another alternative for you to consider when you start designing a new API.
Should I replace REST with gRPC?
No, you don’t need to switch from REST gRPC is not the evolution of REST, nor is it a better way to build APIs. In a nutshell, gRPC is a way to use RPC’s lightweight structure along with HTTP with a few handy tweaks. It’s just another alternative for you to consider when you start designing a new API.