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API Crash Course: How to Create, Test, & Document your APIs
Everything you need to know to understand what an API is, and how to create, test and document your APIs. This practical crash course is ideal for web developers of any level. Grab a verified Udemy coupon today and save 90% on Web Development learning in 2026.
by Tareek Roshdy, Nezam Academy, Nezam Team · ⭐ 4.5 via Udemy · 38,490 students · English
$11.99$119.9990% OFF
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Code auto-applies at Udemy checkout
✓ 90% discount manually re-verified, not an estimate.
✓ Certificate + lifetime access included by Udemy.
⚠ Redemption-limited — can run out without notice.
Price history First-party data
Tracked since April 20, 2026 to April 20, 2026. Red dot = current price ($11.99) — CoursesWyn records the price on each sync.
Current price
$11.99
Original price
$119.99
Tracked since
April 20, 2026
Last checked
Apr 20
Price and coupon status are recorded from a periodic sync of Udemy’s public catalog. This snapshot was taken on April 20, 2026. Prices are always confirmed at checkout on the provider’s site.
Deal score Computed, methodology below
8.9
/ 10
Discount depth
90%
Udemy rating
4.5 / 5
Popularity
38,490 students
Tracking length
116 days
Score = weighted average of discount depth, how often CoursesWyn re-checks this code, historical price volatility, and how fast past redemptions were claimed. Not an editorial opinion on the course itself.
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Apr 20, 2026Listed by CoursesWyn — price recorded at $11.99Listed
Apr 20, 2026Coupon checked — checkout price $11.99 · listed until Apr 30Working
Course details Synced from Udemy
Fields below are pulled from Udemy’s public catalog and recorded when CoursesWyn syncs — they are catalog data, not editorial description.
| Last checked | April 20, 2026 |
| Level | All Levels |
| Content | 4 hours 30 minutes |
| Language | English |
| Requirements | English knowledge · PC or Laptop |
| Certificate | Yes, on completion |
| Access | Lifetime, mobile & TV |
What you'll learn From the course description
What is an API
Difference between API & Webservice
HTTP Basics
Difference between XML & JSON
How to create a mock API
How to test APIs using Postman
How to redeem this coupon
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Coupon & redemption FAQ
Is the Udemy coupon for "API Crash Course: How to Create, Test, & Document your APIs" still valid? +
The coupon was last checked on April 20, 2026 and was working at that time. CoursesWyn re-checks coupons on a regular schedule, so the status on this page reflects our latest check — coupons can expire or run out of redemptions between checks.
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