Udemy
    •  
    •  
    •  
    •  
    •  
    •  
    •  
    •  
Subscribe
Turn what you know into an opportunity and reach millions around the world.
Learn More
Your cart is empty.
Keep shopping
API Testing with Postman: Beginner to Pro
Rating: 4.7 out of 5(136 ratings)
569 students

API Testing with Postman: Beginner to Pro

Postman Essentials: Learn API Testing Without Coding, API Requests, Tests, Scripts and Mock Servers.
Created byKhair ullah
Last updated 5/2025
English

What you'll learn

  • Understand the basics of APIs and how they work
  • Use Postman to send HTTP requests (GET, POST, PUT, DELETE, etc.)
  • Analyze and interpret API responses using Postman
  • Create and organize Postman collections for efficient API testing
  • Use environment variables and global variables to manage test data
  • Write test scripts using JavaScript for validation and automation
  • Implement pre-request scripts to dynamically modify requests
  • Automate test execution using the Collection Runner
  • Integrate Postman with Newman for command-line test execution
  • Apply real-world API testing scenarios in development and QA workflows

Course content

3 sections • 15 lectures • 51m total length

  • CREATING COLLECTION2:18

    Create a Postman collection named contact list and organize it with two folders: basics endpoint and negative test. Add requests to the basics endpoint test folder to begin testing.

  • GET AND POST REQUEST6:51

    Create and save basic endpoint requests in Postman to manage a contact list, including get, post, get by ID, put update, and delete operations.

  • PUT AND DELETE REQUEST4:07

    Update a contact with a put request using the id in the url and updated fields, then delete it with a delete request and confirm a 204 response.

  • CREATING NEGATIVE REQUEST6:54
  • CREATING ENVIRONMENT VARIABLES3:57

    Create and manage a Postman environment by adding variables with initial and current values, then use them in requests with curly braces and capture response data for later use.

  • SAVING RESPONSE4:10

    Save the contact ID returned from the add contact request in Postman as an environment variable, then reuse it in the get contact request to retrieve the added contact.

Requirements

  • Willingness or Interest to Learn about Postman for Success.

Description

CRITICAL NOTICE Prior to Enrollment:


This course does not serve as a substitute for official vendor materials necessary for certification exams. It lacks endorsement from the certification vendor, and participants will not receive official certification study materials or a voucher as part of this course.

Unlock the power of API testing with Postman, the industry-leading tool used by developers, testers, and DevOps professionals around the world.

Whether you’re a complete beginner or looking to sharpen your API testing skills, this course is designed to take you from the fundamentals to advanced techniques, all in one practical, hands-on learning journey.

You’ll start by understanding what APIs are and why they are critical in today’s software development landscape.

Then, you’ll dive into Postman and learn how to send API requests, analyze responses, and create organized collections for testing.

As you progress, you’ll explore how to use environment variables, scripting, pre-request scripts, and test assertions to automate and validate your API workflows.

This course will also show you how to work with Postman features like Collection Runner, Newman CLI, monitors, mock servers, and public documentation.

You’ll learn how to debug APIs, chain requests, and build dynamic test suites that help you simulate real-world usage scenarios.

Whether you’re working in a small startup or a large enterprise, these skills will equip you to test and automate APIs with confidence.

By the end of the course, you’ll have built a solid foundation in Postman and will be able to write efficient, automated API tests that save time and increase the reliability of your applications.

This course is packed with practical examples, hands-on exercises, and real-world use cases to ensure you gain the confidence and skills needed to apply Postman in your day-to-day development or testing workflow.

No prior experience with APIs or Postman is required — just bring your curiosity, and by the end, you’ll be comfortable using Postman like a pro.

Thank you

Who this course is for:

  • Beginners who want to learn API testing from scratch with no prior experience
  • Software testers and QA professionals looking to enhance their API testing skills
  • Developers who want to understand how to test and debug APIs efficiently
  • Automation engineers interested in adding Postman to their testing toolkit
  • Students and aspiring tech professionals preparing for real-world software projects
  • Anyone working with APIs who wants to improve their testing, automation, and collaboration workflow

Report abuse