Postman can be used within a company to share internal APIs and applies the concept of collections so that it can group, index, and query web services. A collection is a group of HTTP calls related to the same service or a collection of services.
The following screenshot shows a conventional UI for Postman. On the left, you can see a list of collections that are available in the Postman account, while on the right, you can see the core part of the UI:
The first half of the UI represents the HTTP request we intend to launch. Each tab at the top of the interface represents an API call; it is possible to type in a URL and specify the HTTP verb on the left. For each request, it is also possible to specify the query parameters, the authorization specification, the headers, the body, and some scripts that we will execute before and after every request.
Here, the...
