Postman: The Complete Guide - REST API Testing — 93% Off Coupon

Postman API testing for manual and automated tests. Automate with Newman, GitLab, Jenkins or any other CI tool.

4.7 128,956 students enrolledCreated by Valentin DespaLast updated: 🌐 English

Course Overview — Key Details

A quick-reference summary of the most important course details: provider, instructor, difficulty, duration, and what the coupon covers.

Course Title: Postman: The Complete Guide - REST API Testing
Provider: Udemy (listed via CourseSpeak)
Instructor: Valentin Despa
Coupon Verified On: November 16, 2025
Difficulty Level: All Levels
Category: Development
Subcategory: Postman
Duration: 19h 30m of on-demand video
Language: English
Access: Lifetime Access · Mobile & TV compatible
Certificate: Certificate of completion included
Top Learning Outcomes: Create GET, POST, PUT, DELETE requests · Understand GET vs POST request method · Work with real-world APIs (Github API, Trello API)
Prerequisites: Registering to a few reputable public APIs is required for you to be able to follow along with the course · Basic programming and/or JavaScript knowledge is required (needed for writing tests)
Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

Skills and competencies you'll gain from this Udemy course:

Create GET, POST, PUT, DELETE requests.
Understand GET vs POST request method.
Work with real-world APIs (Github API, Trello API).
JavaScript basics for tests.
Write API tests in Postman.
Use data from Excel files (CSV) or JSON.
Use Postman variables to create workflows and scenarios.
Run API tests with Newman in Jenkins, GitLab CI or TeamCity.
Use OAuth2, API keys, tokens, JWT, basic auth.
Collaborate using Team Workspaces.
Use mock servers.
Test file uploads.

Course Requirements & Prerequisites

Background knowledge or tools recommended before starting this course:

Registering to a few reputable public APIs is required for you to be able to follow along with the course
Basic programming and/or JavaScript knowledge is required (needed for writing tests)
Basic HTTP knowledge required (address, message body, headers, cookies, ...)
Basic knowledge about RESTful APIs and JSON
Basic Jenkins experience, if an integration with Jenkins is desired
Basic NodeJS/NPM experience (needed for test automation)
Optional - Basic Docker experience (for Jenkins or Newman)
A computer with Windows, macOS or Linux is required for viewing the lectures and installing Postman. Using a mobile phone/tablet is not recommended.

About This Udemy Course

Full course description including curriculum, tools covered, and learning methodology:

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About the Instructor

This course is taught by Valentin Despa. For full instructor bio, credentials, and other courses they teach, visit the instructor profile on Udemy.

Instructor: Valentin Despa
Field: Development
Teaching Style: Practical, project-based learning (as described in course curriculum)

Is the Postman: The Complete Guide - REST API Testing Coupon Worth It?

Postman: The Complete Guide - REST API Testing is a development course offered on Udemy by instructor Valentin Despa, spanning 19h 30m of on-demand content. It holds a 4.7/5 rating from over 128,956 enrolled students.

Through CourseSpeak, you can access this course with a 93% discount coupon. The coupon was last verified on November 16, 2025. Udemy coupons are time-limited and claimed on a first-come basis — we recommend redeeming as soon as possible.

New to redeeming coupons? Visit our How to Redeem Udemy Coupon on CourseSpeak for detailed instructions on how to apply coupon codes.

✓ Our Take: Based on the rating (4.7/5) and enrollment numbers (128,956 students), this course appears well-regarded in its category. Use the coupon to access it at a significantly reduced price — and judge for yourself using Udemy's 30-day money-back guarantee.

Course Rating Summary

Aggregate rating data sourced from Udemy as of November 2025. For individual student reviews, visit the course page directly.

4.7
128,956 ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is estimated. For exact per-star counts, visit the Udemy course page.

Frequently Asked Questions

Common questions about enrollment, course access, certification, and how to use the coupon: