I have already mentioned Postman in the introduction of this chapter. Postman comes in three flavors: free, Pro, and Enterprise. The free version already gives us more than we need for this project and it is really great for most projects, really. You may find a Postman Chrome plugin, but there is no need to bother with it. It is limited, and last I heard, they will deprecate it by the end of 2017. You can download Postman for the platform you are using on their website, https://www.getpostman.com/. Simply install Postman, nothing to worry about there, and start it. When you start Postman, you will see a loading screen with a text like Distorting space-time continuum or Moving satellites into position.
Be really careful here, or you will mess up reality as we know it for all of us! Just kidding; it is just a funny message and will not actually do anything. When Postman...
