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API TESTING MASTERCLASS -2026 using POSTMAN | NEWMAN |JMETER

Be an API Testing Expert using Postman(Manual & Automation) with Newman, Reporting, JavaScript, DataDriven Framework

Created byTesting World Infotech

Last updated 5/2026

English

What you'll learn

Detailed knowledge of API Testing using POSTMAN and its realtime implementation while working as an API Tester
Ready to face API Manual & Automation testing interviews & also answer scenario based questions
Detailed understanding of REST API concepts, Methods & Operations (GET, POST, PUT, DELETE, PATCH) & JSON Format
Detailed understanding of advance concepts like Collections, Environment, Mocking, Monitoring & Newman
Good understanding of JavaScript programming to handle different scenario

Course content

14 sections • 86 lectures • 9h 57m total length

Course Outline & Complete Information -> Must for everyone8:13
Introduction to Postman (One of most popular tool for REST API testing)3:00
Postman Setup : Step by Step Setup Instructions2:53
Postman window walkthrough8:07
Setup Sample API Application for Practice10:11
QUIZ

Introduction about this Section3:27
Introduction to WebService with Examples6:16
Some common examples of WebService5:14
Different type of WebService : Soap and Rest16:42
Rest API : common Methods - GET, POST, PUT, DELETE8:44
Pre-requisites before starting API Testing6:53
Basic JSON understanding : How to write and Understand JSON file9:40
JSON Path basics : To Fetch and Validate JSON keys-values6:03
JSON path advance : To Fetch and Validate JSON keys-values5:44
Its Time for QUIZ : Check Your Knowledge

Start coding in Postman : Simple print data to Console6:40
Condition Handling : If - else conditions4:15
Looping : Execute code multiple time - For Loop5:09
Postman API : request object - Fetch Data, URL and Method of Request6:44
Postman API : responseBody object - Fetch Response Body, Parse Json Data7:54
Postman API : responseTime and responseCode6:04
Work on environment variable by coding4:40
Work on global variable by coding4:53
SOAP WebService Testing using Postman5:30

Requirements

Basic understand of Manual Testing Concepts and Implementation
Basic understand of Writing TestCases and Test Scenario.
Basic understanding of Requirement Documents, How to read and understand requirements

Description

POSTMAN is one of the most popular tool used by software development & testing teams in many companies. It is a very handy tool used by Developers/Testers when building or Testing RESTful web services
In this course, you will learn many functionalities of the POSTMAN tool with practical examples. Below are some of the highlights of this course.

BASICS OF API TESTING AND AUTOMATION

Learn how to send REST Requests using POSTMAN
What is API, Different Between SOAP and REST API
Different CRUD Operation and Its Implementation
GET | POST | PUT | DELETE
Basic understanding of Micro Services
Perform data driven testing
Organize requests using Collections
Authentication approaches (BASIC,OAUTH)
How to Handle Header & Pre-requisite

REALTIME SCENARIO

End to End Student Student Enrollment
Request Chaining
Final execution with report generation and analysis
Run API tests in Jenkins
Code Management using GIT
Scenario implementation on RealTime API Application
End to End Scenario building and once click execution
Collection Execution from command prompt

ADVANCE CONCEPTS
Scripting in POSTMAN using JavaScript
Collections
Import & Export for Sharing
Environment & Global
Integrate POSTMAN with NEWMAN
Advance Reporting
Service Mocking
Service Monitoring
Code Management
Collection Runner
Checking Logs
Write Basic to Advance Java Script
Assertions
Request Channing
API Testing using JMeter
Convert Postman Script to JMeter

API TESTING USING JMETER

JMeter introduction and Setup
Basic components of JMeter
Perform API Operations using JMeter
Validating Response data
Request Chaining
Execute Test Cases with Multiple Data
Realtime Scenario
Interview Questions

Who this course is for:

Developers, SDET's, Devops, IT Professionals working on API
Manual testers/QA/Testing Professionals looking to automate Restful API Testing
Professionals/Automation Testers looking to test RestAPI application/WebServices