API Tester - REST Client Testing Tool

Free REST API Tool, Use it to develop, test, debug RESTful APIs and HTTP request & REST services in Google Chrome Web Store.

API Tester - Free REST Client Testing Tool for Google Chrome

API Tester - REST Client Testing Tool is a Chrome extension designed to facilitate the development, testing, and debugging of RESTful and HTTP APIs. Equipped with unique features such as favorite requests storage, history tracking, custom headers, and attractive syntax highlighting, it offers a complete package for API testing. The extension supports all popular request methods, has basic HTTP authentication, and syncs favorites with Google account. It's highly responsive, free-to-use, and even has a dark mode for easy viewing.
Download
Install from Chrome Web Store

Extension stats

Manifest V3
By: ASOTools
Users: 10,000+
Rating: 2.86
(7)
Version: 1.4.0 (Last updated: 2023-04-22)
Creation date: 2022-10-27
Permissions:
  • storage
  • alarms
  • unlimitedStorage
  • declarativeNetRequest
Host permissions:
  • https://*/
  • http://*/
Size: 436.22K
Full description: See detailed description

Ranking

# 9,720 ▲ 44
Other rankings
#2823 in Developer Tools ▲ 15 #7 in rest keyword 37 #30 in testing keyword 36 ▲ 2 #153 in request keyword 19 ▼ 3 #163 in header keyword 47 ▼ 5

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge

User reviews

Could not understand why I can not add request payload?
by Sidra Zia, 2025-02-03
can't add json raw body into the request
by Sugimiyanto, 2024-12-24
idk why it does not allow me to add json raw body into the request,
by Bayu Adi, 2024-12-18
View all user reviews

Extension safety

Risk impact

API Tester - REST Client Testing Tool requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of API Tester - REST Client Testing Tool. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** *** **** *******
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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Promo images

API Tester - REST Client Testing Tool marquee promo image
Marquee promo image
API Tester - REST Client Testing Tool small promo image
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