Requestly - Free API Testing & Mocking Tool

Open-Source API Client & HTTP Interceptor. API Collections, Environments, JS Redirects, API Mocks, Modify Headers and Insert Scripts

Requestly - Free API Testing & Mocking Tool

Requestly - Free API Testing & Mocking Tool is a powerful open-source extension for Edge that allows developers to easily test and mock APIs, modify HTTP requests, and insert scripts. Rated 5 stars by over 200,000 users, it simplifies workflow with features like custom API responses, redirections, and session recording. Ideal for debugging and enhancing collaboration, it serves as the best alternative to traditional tools like Charles Proxy and Fiddler.

Add-on stats

Manifest V3
Users: 15,492
54
Rating: 4.10
(14)
Version: 24.11.25 (Last updated: 2025-02-03)
Creation date: 2022-01-18
Permissions:
  • contextMenus
  • declarativeNetRequest
  • proxy
  • scripting
  • storage
  • tabs
  • unlimitedStorage
  • webNavigation
  • webRequest
Host permissions:
  • <all_urls>
Size: 902.48K
Full description: See detailed description

Other platforms

Requestly - Free API Testing & Mocking Tool (v24.11.25)
200,000 4.32 (1,230)
Not available on Android
Not available on Firefox

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Edge Add-on Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to use
  • Powerful features
  • Great for testing during development
  • Quick and friendly support
  • Useful for matching and replacing strings in URLs
Cons
  • Expensive for some users
  • Some users reported it not working
Most mentioned
  • Easy to use
  • Expensive
  • Powerful features
  • Testing during development
  • Strings in URLs
User reviews
It's basically a paid app.
by ミルフイーユ, 2024-06-23

It was all good at the beginning then asking me to pay to continue using it, saying "PLAN EXPIRED Your Professional plan has expired.", asking me to pay $15/month. No, I m switching to ModHeaders.
by Kim,, 2024-05-21

$20 a month,much too expensive!
by 日贵, 2024-02-05
View all user reviews

Add-on safety

Risk impact

Requestly - Free API Testing & Mocking Tool requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Requestly - Free API Testing & Mocking 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.
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Upgrade to see full risk analysis details

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