A simple and powerful REST API testing tool that allows users to send HTTP requests and save them as reusable templates.
Users
3
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#321K
#254K among extensions
Version
1.0.0
updated 27 Mar 2026
Users
monthly, 7 months
Latest, 15 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 15 Oct 2026:0 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 API Tester Pro - REST Client
API Tester – Simple & Powerful REST Client for Chrome
API Tester is a fast, lightweight, and easy-to-use tool for sending HTTP requests directly from your browser. Whether you're a developer, student, or tester, this extension helps you quickly test and debug APIs without leaving Chrome.
Key Features
• Send HTTP requests (GET, POST, PUT, DELETE, PATCH)
• Add custom headers and request body
• Support for Bearer Token and Basic Authentication
• Save requests as reusable templates
• Organize APIs into collections
• Import and export request data
• Clean and user-friendly interface
• Fast response viewing with formatted output
Why Install API Tester?
✔ No need to install heavy desktop apps
✔ Test APIs instantly while browsing
✔ Save time with reusable templates
✔ Simple enough for beginners, powerful enough for developers
Privacy & Security
Your data stays on your device.
API Tester does NOT collect, store, or share your personal data.
All requests are sent only to the endpoints you specify.
Who Is This For?
• Web Developers
• Backend Developers
• Students learning APIs
• QA Testers
Lightweight. Fast. Reliable.
Start testing your APIs in seconds — directly from Chrome.
Support
If you encounter any issues or have suggestions, feel free to reach out via the support page.
If you find this extension useful, consider leaving a review!
Growth
Window
Users
Change
Ratings
Rating
7 days
−1
−25.0%
0
0.00
30 days
0
+0.0%
0
0.00
6 months
+3
–
0
0.00
Chrome Web Store search rankings
Where API Tester Pro - REST Client appears when people search the store, with the 30 day change