Think of a REST API like a waiter in a restaurant. You (an app) tell the waiter what you want (your request), and the waiter goes to the kitchen (the server) to get it for you. REST is just a set of ...
gRPC is a high-performance binary protocol for remote procedure calls on virtually any platform. Here's a hands-on intro to using gRPC with Node. gRPC is a binary protocol for remote procedure calls, ...