Requestly is a better alternative to Telerik Fiddler

4.4 ⭐ 1.1K+ Ratings, 200,000+ users

Better UI of Response Rule Editing Screen in Requestly, better than Telerik Fiddler

Learn why people choose

Requestly over Telerik Fiddler

1. Simple, Fast & Powerful

Requestly offers a superior user experience due to its presence in the browser and its use of native Chrome APIs. This makes Requestly much faster and lightweight than Telerik Fiddler.

2. Gentle Learning Curve

Requestly is designed from bottom up to maintain a shallow learning curve. Moreover a detailed documentation, a learning academy, interactive guides & video tutorials make you a power user from Day 1.

3. Cross Platform

Requestly is available in two forms — a browser extension & a desktop application for all major platforms like Chrome & Chrome based browsers, Firefox, Safari, Edge, Brave, Opera, Vivaldi, Windows, Mac(Apple & Intel Chips), Linux.

4. Collaboration

Requestly facilitates seamless team collaboration by allowing you to create shared workspaces and synchronize rules across team members. This ensures everyone has instant access to the established rules, eliminating duplicate work.

5. Best Customer Support

Requestly is known to provide the best customer support to its customers. This is evident in the more than 1000 reviews on the Chrome Store testifying to the best support from the Requestly team.

6. Enterprise Ready


Requestly is enterprise-ready software, prioritizing security and organizational control with features like SSO, Team Management, SLAs, SOC-II compliance, Reporting and analytics, and Role-based access control.

7. GraphQL Support

Exclusive support for GraphQL APIs is available in Requestly. Unlike Fiddler, which is designed for REST APIs and struggles to handle GraphQL’s request structure. GraphQL relies on a schema-based approach, making it necessary to apply additional filtering to isolate specific operations within a request.

Trusted by 200k+ developers at

The Key Difference

Fiddler is a network traffic debugger built for traditional desktop application development. It provides a complex suite of features for capturing, filtering, and modifying network requests – ideal for deep dives into network behavior.

Requestly is a powerful, open-source web development, mocking, and debugging suite. Its intuitive interface, comprehensive documentation, and team collaboration features will streamline your workflow.

Additional Features

for frontend & QA teams

Mock Server

Set up API Mocks in a few seconds. Accelerates frontend development when the backend is not ready.

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Session Book

Capture and share HTTP sessions for faster bug reporting & debugging.
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API Client

A simple Postman like API Client to hit API endpoints and validate responses.
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Detailed Comparison of Requestly & Telerik Fiddler


Telerik Fiddler


Zero Proxy & VPN Issues


Modify HTTP Headers

Modify API Response

Modify URL

GraphQL Support

Inject Scripts

Page Level Filters


Team Workspaces


Mock Server

Capture Browser Sessions

API Client




For the developers, by the developers ❤️

From Debug to Deploy: Developers Trust Requestly