Quick Introduction to Postman and API Testing for Beginners
What you'll learn
- Introduction to APIs by using Postman
- Start using Postman
- Overview of the HTTP messages
- Use query parameters, path variables and headers
- Read/write JSON
- Write basic API tests
- Work with Postman variables
- Create simple workflows
- Learn HTTP request methods: GET, POST, PATCH & DELETE
Requirements
- Desire to learn Postman and APIs.
- The possibility to install Postman on Windows, macOS or Linux
- No programming experience needed, but it can be useful later on.
Description
Do you need to learn about Postman & APIs for your new position or for a job interview?
You are not the first one. REST APIs are everywhere nowadays but you may not know where to begin. If you are a total beginner to APIs and are looking for a quick introduction to API by using Postman. This course is for you.
What are APIs all about?
Today, all IT systems are interconnected by using APIs, which are a way to exchange data, mostly by using a format call JSON.
However, learning about APIs can easily get confusing. You need to know: different HTTP methods, headers, cookies, dealing with file uploads or authentication with API keys, tokens, OAuth and so much more.
This is where Postman comes in! Postman allows you very quickly to create a request with the required HTTP method and parameters, submit the request and easily inspect the results.
Postman can help if you are developing APIs as well! I have created this course for testing engineers and well as for software developers.
Postman can help you during the development of your API as well as after the API is completed, by running tests that make sure your API is still working as intended.
In this Postman crash course for beginners, we will start exploring the features of Postman, creating requests, and building simple workflows. Then we will continue by writing API tests and automatically running a Postman collection by using the Postman Collection Runner and Newman.
Is this course for me?
If you need to get up to speed with Postman and start using APIs and don't have a lot of time, this course will probably take you very far in a very short time. You don't need much to get started, but you need to invest more than 3 hours. Just watching the content may not be enough to develop the skills needed. You need to do the work and the practice assignments.
So let’s look at what you are going to learn:
Start with simple requests
Use HTTP methods like GET, POST, PUT & DELETE
Understand the difference between GET vs POST.
Work with query parameters and path variables
Understand HTTP headers
Learn to deal with authentication (for example using Bearer token)
Start writing API tests with JavaScript
Organize tests in collections and share them with your team
Run API tests using the collection runner or Newman
So after this course, you will have an overview of Postman and can later decide in which areas you want to learn more.
Excited to learn Postman? Join this course today!
Legal Disclaimer
This course is an independent educational resource and is not endorsed by, affiliated with, or associated with Postman, Inc., or any of its products. Postman is a trademark of Postman, Inc. All product names, logos, and brands mentioned in this course are the property of their respective owners.
This course contains promotional materials.
Who this course is for:
- This course is targeted towards testing engineers and developers.
- Anyone who needs a quick introduction to Postman
Instructors
Hi, I’m Valentin – an Agile Enterprise Software Developer with a strong background in computer science. I’m passionate about improving the way software is developed using Agile and Scrum, believing that there’s always a better, more efficient way to build great products.
I’m an active member of various tech communities, holding roles such as Postman Supernova, GitLab contributor (ex-GitLab Hero), and AWS Community Builder. My journey in open-source spans many projects, including serving as a Joomla! CMS Bug Squad member, Joomla! Stack Exchange moderator, and part of the TYPO3 CMS Security Team. Open-source has played a crucial role in my career, and I’m dedicated to giving back to the community.
I joined Udemy to share my expertise and real-world experience with learners who want to enhance their skills in software development, API testing, DevOps, and Agile methodologies. My courses focus on practical, hands-on learning, ensuring that students not only understand the concepts but also know how to apply them effectively.
If you’re eager to take your skills to the next level, join me on this journey of learning and growth. ?
I am here to help you. If you have any questions related to a course, it is best to use the course Q&A. Most questions have already been answered. Feel free to use the search functionality.
Let's learn technology together. I am an Agile Enterprise Software Developer with a strong background in computer science. I believe there is a better way of developing software by using Agile and Scrum.