Tag: api testing

Postman Tutorial Part 42 – Create Parameterized Request by Reading Data From CSV in Postman

We have already learnt storing and accessing variables in different ways like Global variables, Environment variables, Collection variables etc in Postman. All these ways are like accessing variables from internal sources. We may require to read data from external sources as well like csv or JSON in Postman. Not only this, it is useful to […]

Postman Tutorial Part 40 – Collection Variables in Postman

We have already seen what are Global and Environment variables in Postman and its usage in creating parameterized requests. In this post, we will see another type of variables called Collection variables. Let’s consider some scenarios first:- If you have followed my posts in sequence, you must have seen that when we import a Collection […]

Postman Tutorial Part 23 – Introduction to Postman Sandbox

We know that we can write Pre-request scripts and Tests scripts for a request, collection and folder in a collection to add dynamic behaviour to it. All these scripts run in an environment which is called Postman Sandbox. The Postman Sandbox is a JavaScript execution environment based on NodeJS that is available to you while […]

Postman Tutorial Part 9 – DIfference Between Put and Patch HTTP Methods

Hello Guys, Whether you are an API developer or tester, you must understand the difference between PUT and PATCH http methods. It is also a frequently asked interview question. Let’s understand PUT and PATCH in details.  PUT:- An HTTP PUT method is used to primarily update the resource information but  it also can be used […]

Postman Tutorial Part 7 – Difference Between ‘Accept’ and ‘Content-Type’ HTTP Headers

“Accept” and “Content-Type” are HTTP Headers which control input and output formats. “Accept” is a request header and “Content-Type” is both request and response header. Let’s see the difference between these headers: Accept: Let’s understand it using a real time example. We must have submitted final year projects in our college and there were a […]

API Testing Tutorial Part 4 – Understand Basics Of Http Methods – CRUD Operations

Let’s start with a real time example. You must have heard about Facebook. To create an account of Facebook, you need to provide some personal details and hit enter. Now you have your own Facebook account. Your data is created in Facebook database. Who did this for you? A Facebook API. An API who is responsible […]

API Testing Tutorial Part 3 – Understand Terms URN , URL ,URI & API

This is a frequently asked interview question for API testing. All these terms are confusing to beginners as well as experienced.  I will try to explain it well in this post.  I will start with the line – ” All above terms are same at a final point. These words are the stages representing evolution […]

API Testing Tutorial Part 1 – What is An API (Application Programming Interface)?

Hello Folks, Before understanding about API, Let’s consider some real time scenarios first. You go to any restaurant for a grand party. A waiter comes to your desk and takes your order. Waiter goes to kitchen and brings up your ordered food. You don’t bother how waiter did this. You just worried about your order. […]

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