The REST constraints tell us to design APIs according to HATEAOS (Hypertext as the Engine of Application State). The Richardson Maturity Index rates APIs according to the fulfillment of these constraints and assigns the highest rating (level 3) to the proper implementation of the HATEOAS…

gRPC is an efficient RPC implementation and can be used to implement APIs. It has a language-neutral and platform-neutral specification, and SDKs for many languages and platforms, so it can be used widely, for communication across platforms and languages. gRPC is super fast and efficient because it…