Postman API Fundamentals: Learn to Work with REST APIs 2026

Are you ready to learn how to work with APIs using Postman? Whether you're a complete beginner or looking to sharpen your API skills, this course is the perfect starting point!

There are no prerequisites—you don’t even need to know what an API is. We'll begin with a simple introduction to APIs and why they are essential in modern software development. Then, we'll introduce you to Postman, the industry-leading API development and testing tool.

This course takes a hands-on approach to learning. After covering the basics, you’ll step into the role of a digital librarian managing a library's book database using a real-world API. Through interactive lessons, you’ll send API requests, update data, and understand how APIs help applications communicate. By the end of the course, you’ll have practical experience working with APIs and be confident in using Postman to make requests, analyze responses, and troubleshoot issues.

What You’ll Learn:

• The fundamentals of APIs and their role in software development

• How to use Postman to send API requests and analyze responses

• How to interact with real-world APIs and manipulate data

• How Postman simplifies API testing and integration

Upon completion, you’ll be proficient with Postman and ready to apply your API skills in real-world scenarios. To officially complete the course, you must finish all required lessons.

Start now and take your first step into the world of APIs with Postman!