Requestly: Supercharge your Development & QA

Features: Intercept & Modify HTTPs Requests, API Mocking, GraphQL Mocking, Rest API Client, API Testing, Modify HTTP Headers, etc

Requestly is an open-source Chrome extension trusted by over 200,000 developers that supercharges web development and QA workflows. It offers an intuitive, privacy-friendly interface with powerful features such as modifying HTTP headers, overriding API responses, and a robust API client that supports collections, environments, and scripting.

Key capabilities include mocking XHR/Fetch and GraphQL API responses, redirecting HTTP requests for seamless environment switching, inserting custom scripts into pages, and simulating network conditions. Its cloud-based API Mock Server helps teams build frontends with backend-independent mocks. Requestly integrates well with popular developer tools by importing data from Postman, Insomnia, and others. Teams benefit from collaboration features like shared rules and workspaces, enabling efficient debugging, testing, and development across environments.

By:
https://requestly.com
Users:
200,000
Rating:
4.33
(1,248)
1 new ratings
Version:
25.6.11 Last updated: 2025-06-13
Creation date:
2020-06-02
Risk:
Very high risk impact Very low risk likelihood
Permissions:
  • contextMenus
  • declarativeNetRequest
  • proxy
  • scripting
  • storage
  • tabs
  • unlimitedStorage
  • webNavigation
  • webRequest
Host permissions:
  • <all_urls>
Size:
884.00KB
Email:
co*****@requestly.io
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Chrome Web Store
Updated:
a day ago

Other platforms

User reviews

Requestly is a highly praised Chrome extension valued for its ease of use and powerful capabilities in API request modification, mocking, and debugging. Developers commend its user-friendly interface and integration of tools that streamline workflows. The extension’s team is noted for excellent support and responsiveness. However, multiple users mention that advanced features require payment and express dissatisfaction with the pricing model, along with frustrations about it needing internet connectivity despite 'local-first' claims.
Pros
  • Highly useful for modifying, mocking, and intercepting API requests and responses.
  • User-friendly interface and easy to use, making it accessible for developers.
  • Great support and responsiveness from the Requestly team.
  • Effective for collaborative debugging and sharing rules with teams.
  • Includes powerful features like API client integration, script injection, header modification, and performance testing tools.
Cons
  • Not truly free; advanced features require payment after limited free usage.
  • Requires internet connection to function, despite claims of being a local-first tool.
  • Some users feel the pricing model changed unfavorably after updates.
Recent reviews
so far, so good. This tool helped me a lot ;)
by Wi*****, 2025-06-05

Very helpful in modifying requests. I had tried other solutions which proved unreliable, but Requestly came to my rescue with a free trial and a lot of support for my questions.
by Al*****, 2025-06-03

Overall UX of requestly is developer friendly. Me and my team are using it from 1+ year and journey so far is super smooth.
by Gh*****, 2025-06-03
View all user reviews ›

Extension safety

Risk impact

Requestly: Supercharge your Development & QA requires a lot of sensitive permissions. 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

Requestly: Supercharge your Development & QA has earned a good reputation and can be trusted.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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Upgrade to see full risk analysis details

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