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1,023 students
POSTMAN API TESTING - The Complete Guide
Master API Testing with Postman: Requests, Auth, Variables, Automation, CI/CD & more — Beginner to Advanced Guide
Created byIT University 5k+ Learners
Last updated 9/2025
English
What you'll learn
- Understand the fundamentals of API Testing and Postman interface step by step
- Learn how to create, send, and test API requests using different HTTP methods (GET, POST, PUT, PATCH, DELETE)
- Master advanced Postman features such as Collections, Workspaces, Variables, and Parameterization
- Write automated tests with Assertions, Pre-request scripts, and Chaining Requests for real-world APIs
- Perform Data-Driven Testing in Postman using CSV/JSON files and Newman for CLI automation
- Generate detailed HTML test reports and integrate Postman automation with Jenkins & GitHub CI/CD pipelines
- Explore advanced topics including Mock APIs, Monitoring, Debugging, and Performance Testing in Postman
- Gain hands-on experience with real-time examples, SOAP API testing, and practical API automation scenarios
Explore related topics
Course content
13 sections • 34 lectures • 4h 54m total length
Requirements
- No prior experience with API Testing is required — this course starts from scratch
- A computer (Windows, Mac, or Linux) with internet access
- Basic knowledge of software testing or web development (helpful but not mandatory)
- Postman tool installed (will be covered in the course setup section)
- Curiosity and willingness to learn API testing step by step
Description
Are you ready to become confident in API Testing and take your career to the next level?
Whether you’re a beginner just starting out or someone looking to advance into automation and CI/CD workflows, this course is designed to give you everything you need — step by step, with real-world examples.
Postman is the #1 tool for API Testing, trusted by developers and QA engineers worldwide. By the end of this course, you’ll be able to test, automate, and debug APIs like a pro, and even integrate your work into professional DevOps pipelines.
What makes this course different?
We start from scratch — no prior API knowledge required.
Every topic is taught with hands-on demonstrations, not just theory.
Covers Beginner → Intermediate → Advanced level in one course.
Includes real-time examples, projects, and best practices used in the industry.
Focus on practical problem-solving so you can use Postman confidently at work.
What You’ll Learn:
How to create and send your first API requests in Postman
Using HTTP methods (GET, POST, PUT, DELETE, PATCH) effectively
Collections, environments, variables, and parameterization in Postman
Writing and running automated tests with assertions
Data-driven testing with CSV and JSON
Mock servers, chaining requests, and debugging APIs
Generating professional HTML reports with Newman
Integrating Postman with Jenkins CI/CD and GitHub Actions
Handling authentication methods like Basic Auth, Bearer Token, OAuth
Performance testing and real-world API case studies
By the end of this course:
You will not only understand how APIs work, but you’ll also gain the confidence to:
Test any REST or SOAP API efficiently
Automate your testing workflows with Postman & Newman
Work on real-world projects and improve team collaboration
Add a highly valuable skill to your resume as a QA Engineer, Developer, or Tester
Who this course is for:
- Beginners who want to learn API testing from scratch using Postman
- Software testers and QA engineers looking to expand their skills into API automation
- Developers who want to test APIs during development
- Students preparing for software testing or QA job interviews
- Anyone interested in learning how APIs work and how to test them effectively