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 an open-source Chrome extension designed to assist developers in testing and mocking API requests. With a stylish UI, it offers features like an API client, HTTP interceptor, and the ability to mock API responses, making it ideal for seamless frontend development. Trusted by over 200,000 developers, Requestly streamlines collaboration and testing with capabilities such as modifying headers, inserting scripts, and generating mock data.
Install from Chrome Web Store

Extension stats

Manifest V3
Users: 200,000+
Rating: 4.32
(1,230)
Version: 24.11.25 (Last updated: 2024-12-30)
Creation date: 2020-06-02
Permissions:
  • contextMenus
  • declarativeNetRequest
  • proxy
  • scripting
  • storage
  • tabs
  • unlimitedStorage
  • webNavigation
  • webRequest
Host permissions:
  • <all_urls>
Size: 898.05K
Full description: See detailed description

Other platforms

Not available on Android
Not available on Firefox
Requestly - Free API Testing & Mocking Tool (v24.11.25)
15,492+ 4.10 (14)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • User-friendly interface and easy to set up
  • Invaluable for mocking APIs and intercepting requests
  • Great support and responsiveness from the development team
  • Seamless integration with existing Postman collections
  • Continuous development and addition of new features
Cons
  • Limited functionality without a paid subscription
  • Recent changes shifted important features to premium only
  • Requires account creation and login to access features
  • Monthly fees may not be clearly communicated initially
  • Users express frustration about the transition from free to paid features
Most mentioned
  • API Client feature is highly praised
  • Transition from Postman is smooth
  • Support team is responsive and helpful
  • Tool is effective for web debugging and QA
  • Frequent updates and improvements based on user feedback
User reviews
Написано бесплатно можно делать 5 правил, но после обновления нельзя нечего делать без оплаты.
by Simon, 2025-02-14

Simple to use, great UI/UX, does the job
by Anish Sharma, 2025-01-28

We have been using Requestly for HTTP Rules and Network inspector capabilities, which works great. We recently migrated from Postman to API Clients capability of Requestly. # Seamless migration for our 100+ postman collections / environments in single click. # Great support and diligence from team in building required features and incorporating feedback.
by Harry S, 2025-01-09
View all user reviews

Extension 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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