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UdemyWeb DevelopmentPaid courseIntermediate levelCertificate

Postman Testing for OAuth Authorization & Authentication (Udemy.com)

Learn about why OAuth is important and how to use it with APIs like: Dropbox, Flickr and many more.

Created by: Valentin Despa

Last updated June 2024

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What you will learn

  • Learn the fundamentals or OAuth
  • Use OAuth to access APIs
  • Work with the Dropbox API
  • Work with the Flickr API

How it compares

Against the other 815 rated Udemy courses in Web Development on CourseDuck:

  • Rating4.4 out of 5higher than 33% of them
  • Reviews464#301 of 816 by number of reviews
  • Length1.3 hoursshorter than 94% of them
  • Last updatedJune 2024earlier than 57% of them

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Course Description

This course provides a comprehensive introduction to API authorization testing using OAuth in Postman. Throughout the course, you will gain an in-depth understanding of the fundamental concepts of OAuth, including its different flows and uses. You will learn how OAuth is applied in various real-world situations, such as backend applications, single-page applications, and mobile apps.

The course also provides hands-on experience with using different OAuth flows and how to create requests using Postman. You will work with different real-world APIs and learn to use Postman to send requests and validate the responses.

In addition to the theoretical aspects of OAuth 1.0 and OAuth 2.0 and their practical application, the course also covers testing. You will learn how to test OAuth flows and APIs using Postman, and gain the knowledge and skills needed to test and debug your OAuth-secured APIs effectively. This course will provide you with a solid foundation for working with OAuth and APIs in a practical and efficient manner.


Here are some of the topics that we will do in this course:

  • Token-based authentication (JWT token)

  • OAuth 2.0 Authorization Code grant

  • OAuth 2.0 Implicit Code Grant flow

  • OAuth 1.0 flow with the Flickr API


Credits

This OAuth logo is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license (creativecommons . org/licenses/by-sa/3.0/deed.en). Author: Chris Messina

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Instructor Details

Valentin Despa

I teach IT professionals what I wish I'd known earlier.

My foundation is built on years in the trenches as an Agile Enterprise Software Developer, engineering solutions for everything from fast-paced start-ups and SMBs to large global corporations. I hold recognized roles as an AWS Community Builder, Postman Supernova, and GitLab Hero, alongside a deep history of securing and building major open-source projects.

For over a decade, I've taken that real-world experience and quietly built one of the largest learning communities around API tooling, test automation, and DevOps practices. What started as a side YouTube channel turned into hundreds of thousands of learners, conference talks, and team workshops at companies most IT professionals have heard of.

The thread through all of it is the same: take something that looks intimidating and break it down so anyone can understand it in plain language.

Lately, I've been spending more time on practical AI in the workplace. I look at how teams can leverage AI for both everyday knowledge work and hands-on IT engineering, like coding and testing. I focus on cutting through the hype to figure out how AI actually helps IT professionals get work done, build, and ship faster. New formats, same approach.

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Reviews

4.4

464 ratings on Udemy

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By Naga sai pradeep Josyula on 8/16/2026

Great Course. Looking forward to learn more about Oauth and its implementation.

By Leon Porter on 3/2/2026

Course was great however Flickr now requires a paid pro subscription to be able to follow along with the tutorial for oauth 1.0

By Kavendran Andrews on 5/28/2024

Valentino is a good instructor & he explains well. Easy to follow & understand.

By Marco on 1/31/2024

Great! What more can I say :-) It's super important to follow through all the examples and test out stuff yourself with Postman.

By Kenneth Lee on 1/10/2024

Great overview of oAuth with oAuth2 and oAuth1 real life example. See how this really works was very helpful.

By David Noguera on 8/21/2023

It is a great resource, he does an amazing job at explaining such a apparently complex subject

By Ahmed Hussain on 9/1/2020

Very good explanation of the tool and walks you through the example step by step.

By Madhu Akhilesham on 9/1/2020

Good example and explanation of API and postman

By Praveen Subbarao on 7/20/2020

Really good walking slowly thru the steps. The steps involved in chaining the requests by parsing is key and most common usecase that we run into - thanks praveen

By Kris Cruickshank on 6/25/2020

I am finding it a bit simple. I would like to know what the auth actually did. So far I have just watched an advert for postman. I want to learn about oauth

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Overall Score : 88 / 100