API Tester - REST Client Testing Tool

API Tester - REST Client Testing Tool

Free REST API Tool, Use it to develop, test, debug RESTful APIs and HTTP request & REST services in Microsoft Edge addons.

API Tester - REST Client Testing Tool
What is API Tester - REST Client Testing Tool?
API Tester - REST Client Testing Tool is a free Edge add-on that provides robust features for developing, testing, and debugging RESTful and HTTP APIs. It's an easy-to-use tool with key features such as favorites, to save and reuse requests. It also has a history function that records previous requests and responses. Additionally, it allows the creation and saving of custom request headers. Other notable elements include syntax highlighting for responses, time logs for each request, support of various request methods, and HTTP Basic Authentication.
Rating: 2.00 (4)
Version: 1.1.0 (Last updated: 2022-11-04)
Creation date: 2022-10-26
Risk impact: Very low risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
  • storage
  • unlimitedStorage
Size: 1.55M
Stats date:

Other platforms

Not available on Chrome
Not available on Firefox
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This is simple REST Client. Use it to develop, test, debug RESTful APIs, HTTP APIs and and easy-to-use UI. This has a number of powerful features than postman...


  • Save favorite requests (including headers, payload etc.) and re-use them with the click of a button.
  • Import/Export favorites.
  • Your favorites are automatically synced with your Google account and are not tied to a single machine.


  • View all your previous requests and responses.
  • Easily run them again.
  • Easily filter out the requests you're not interested in.

Custom Headers:

  • Choose from a large range of existing request headers.
See more
User reviews
Useless tool because there is no way to include a BODY payload to a POST request
by Ron, 2024-01-28

Cannot edit Body
by Yao,, 2023-05-08

Good interface, but not working (does not send any requests)
by Андрей, 2023-02-17
View all user reviews
Risk impact

API Tester - REST Client Testing Tool is safe to use. It does not request any sensitive permissions.

Risk likelihood

API Tester - REST Client Testing Tool is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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