Every APIs explainer for beginners: 1 video, each with its commands, real output and diagrams.
REST and gRPC are two ways for one program to ask another for something. We built one tea-shop stock service with both doors and measured them for real: answer size, speed over 10,000 calls, streaming, what happens when a field is renamed or renumbered, and why browsers need gRPC-Web. Then which one to pick.
