I wrote a blog post talking about the differences and use cases for four major real-time notification mechanisms. Fortunately, Postman has the ability to manually test all of them, so you’re covered no matter what you choose to build with.
A lot of people think WebSockets = server to client. While that’s not wrong, it’s also not the only way that can happen. My goal of this post was to help educate on the different ways you can establish stateful connections to facilitate communications.