Firebase Functions Tutorial — REST API Authentication

In one of my previous articles, I discussed how you can create a REST API using Firebase Functions. Since then, I have been asked how to authenticate requests and validate data on my YouTube channel. So, in this tutorial, we’re going to be looking at authentication for Firebase Functions. In my next article, I’ll cover data validation.

Since this tutorial is going to build on a previous one, we’ll be using the code from it. If you’d like to follow along you can find it in this BitBucket Repo. So, clone the project and we’ll get right into…