Effortless, real-world API testing and load testing—right inside DevTools.
Users
15
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
0 in 30 days
Store rank
#170K
#142K among extensions
Version
1.0.1
updated 2 Jul 2025
Users
monthly, 15 months
Latest, 21 Oct 2026:15 usersMove the mouse over the chart for any month
Ratings count
monthly, 15 months
Latest, 21 Oct 2026:4 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Fcuk API
## 🌟 What is Fcuk API?
*Fcuk API* is a powerful Chrome extension that transforms how developers and testers work with APIs. It lives inside Chrome DevTools and provides:
- 🔍 *Automatic API Capture* - Captures all XHR/fetch requests as you use your web app
- 📝 *Dynamic Request Editing* - Auto-generates forms for POST/PUT request bodies (supports nested objects & arrays)
- ⚡ *Instant Load Testing* - Run performance tests with one click using k6
- 🎯 *Real-World Testing* - Test exactly what your app sends, not mock data
- 🚀 *Zero Setup* - Works immediately after installation
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## 🎯 Why Fcuk API?
### For Developers 👩💻
- *Instant feedback* on API changes and performance
- *Debug with real data* - see exactly what your frontend sends
- *Catch performance issues* before they hit production
- *No more context switching* between tools
### For Testers 🧑🔬
- *Test real APIs* as they happen in the app
- *Edit and replay requests* with custom parameters
- *Run load tests* on staging/production instantly
- *Save hours* of manual testing and scripting
### For Teams 🧑💼
- *Faster QA cycles* and fewer bugs in production
- *Empowered teams* - devs and testers use the same tool
- *Better visibility* into API performance and reliability
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