Almost every REST API must have some sort of authentication. One of the most common headers is call Authorization. Wait a minute, we are talking about authentication but why the Authorization header?

While there are as many proprietary authentication methods as there are systems which utilize them, they are largely variations of a few major approaches. In this post, I will go over the 4 most used in the REST APIs and microservices world.

Learn all about the different JWT signing algorithms and how to choose the correct one for your use case!

If OAuth2 is still a vague concept for you or you simply want to be sure you understand its behaviours, this article should interest you.

The world is becoming much more digital. As a result, a lot more of the things that we use and buy are digital items, ones that we download from websites after we pay for them.