There's an unlimited number of ways to create an API. You can use any traditional programming language for the most part. But usually you'd use something like Flask on top of Python or Express on top of Node in order to make that a little bit easier and so that you'd have to write less code. There's multiple ways of pronouncing G as Kelly. So why do we call it GitHub? But then we say just. What if we called it a guest on GitHub? Don't tell that to anybody.