For all HTTP-based service calls, we will be using Postman to invoke such services.

Postman can be downloaded from https://www.getpostman.com/. The site provides installation instructions for each of the major operating systems. In this chapter, we will do our exercise based on Windows, so we'll proceed to install the Windows executable.

Once you've downloaded and installed Postman, you should see a screen like this: 

Don't worry! We will get into the details as to how to use Postman later in the chapter. Alternatively, you can use curl to do the same, but I prefer Postman due to its easy usability.