The Postman tool allows us to make calls to any of our post endpoints, as well as send data into these endpoints with our requests. Let's understand how to install it:
- Head over to https://www.getpostman.com and download the app. Once you have downloaded the app, we can run through a little test trial of how we can use this Postman app to hit our /transaction endpoint.
- Open the Postman app after downloading it. You will see something similar to the following screenshot:
- Now, in the Postman app we're going to make a post request to http://localhost:3000/transaction:
- To test that the /transaction endpoint is working, ...
