Postman

What is Postman?

Postman is an API client. We can develop, test, share and document APIs using postman.

Download Postman and Install.

You can download the postman from there website or you can add it as a chrome extension. You need to sign up with your credentials for using postman.

https://www.postman.com/downloads/ 

In the postman UI different options are available and you can explore it.

Collections

Collections are group of API request, that can be stored and saved in logical arrangement.

You can easily create a collection using the ‘New’ button in the Postman UI. Also there are options for creating different folders inside the collection. You can create different folders for GET, POST, PUT, DELETE request and create the request inside the collections.

How to run Collection?

• First click on the collection name.
• Then click on the ‘Arrow’. It will open a window with run button.
• Click on the Run button. It will open a Collection Runner.
• You can run the collect by click on the ‘Run Collection button’

It will run all your request and show the detail report. Different options like export the result and Retry are available in the result page.

Variables

Variables are the data store(elements) that can take different values. With this variable we can reuse it at multiple places, can avoid the repetition and also can avoid the rework when values changes.

We can add the variables by edit the collection.in the edit screen there is a tab called Variables you can add the variable in that screen.