Postman for WEBAPI testing Part I

This article is basically to understand the use of PostMan tools which are free to use for personal, commercial, and Enterprise purposes. But before using this tool we should know why this tool is, what its purpose is, and how frequently we can use this tool.

Topics

  1. What is PostMan?
  2. What is API?
  3. Why do we use PostMan?
  4. PostMan Download / Installation

Let's start

What is PostMan?

Postman is a development tool that helps to test APIs. It is used by the developer and Test engineers to run and test the API Services. Also, it is used as a client where developers do need not to write any separate client applications to test their services. It also has the ability to make various types of HTTP requests(GET, POST, PUT, DELETE).

These tools also give a permission to create and save an environment that we can use later.

What is API?

In this article, we saw the API keyword multiple times, so what is API, It is nothing but an Application Programming Interface. API is a set of routines, protocols, and tools for building Software Applications, which specify how one software program interacts with other software programs.

It acts as a door or Interface for two different programs, where each program can have options to talk with each other with a specific path endpoint, or port.

Why do we use PostMan?

  1. Free tools: First of all it is free tools, and free to use for any no of people. No restrictions.
  2. Easy to use: Easily available on the internet, just download it and install it. That is you are good to go.
  3. Platform API Support: This tool supports all kinds of API( Like REST, SOAP, HTTP & HTTPS).
  4. Test Automation: This tool is also used for writing the automation script for the API, so we can test the API function very closely and also test the API performance.
  5. DEVOPS support: It is very handy to use in a DevOps environment.
  6. Support availability: As it is widely used, we will get lots of content/support online.

PostMan Download / Installation

  • PostMan tool for Windows download: Here
  • PostMan tool for Linux Download: Here
  • PostMan tool for Intel Chip Download: Here
  • PostMan tool for Apple Chip/ MAC Download: Here

It is straight forward process, as I am using Windows so just download the tool executable and double-click it, and then it will install automatically. After that, you can use it.

Thank you!

The hands-on sample will be updated soon!


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