Lightweight API testing tool with requests, headers, environments, history, and response viewer.
Users
35
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#123K
#103K among extensions
Version
1.0.1
updated 8 Feb 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:35 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 16 Oct 2026:1 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 TestAPI Tool
TestAPI Tool is a lightweight Chrome extension designed for quick and efficient API testing directly from your browser.
It helps developers send requests, inspect responses, and understand API behavior without opening heavy desktop tools.
🔧 Key Features
Send GET, POST, PUT, DELETE HTTP requests
Add custom headers or use saved header presets
Support for environment variables
View HTTP status codes with clear meanings
Instantly see response time and response size
Pretty JSON response viewer for better readability
Open responses in a dedicated viewer page
Clean, minimal, and developer-focused interface
🚀 Why API TEST PRO?
Fast and easy to use
No sign-up required
Runs entirely inside Chrome
Ideal for frontend and backend developers
🔐 Privacy & Data Usage
API TEST PRO does not collect or track personal data.
All requests are sent only to URLs provided by the user, and data is stored locally in the browser.