Product
API Client

A lightweight and secure API Client for faster API Development & Testing

HTTP Interceptor

A Powerful HTTP Interceptor to Intercept, Record, Debug & Modify HTTP Requests

API Mocking

Build frontend faster without waiting for backend.

Use Case
Frontend Web/Mobile Developers

Requestly improves front-end workflows with local JS testing, mocking, and SessionBook debugging.

For QA engineers

QA engineers love Requestly for its features and ease of use, allowing easy edge case testing.

Support Engineer

Support engineers value Requestly for debugging, demoing, and overriding GTM and Adobe scripts.

Backend Developers

Requestly helps in improving back-end development workflows, by enabling testing.

Requestly vs Postman
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📣 Requestly API Client – Free Forever & Open Source. A powerful alternative to Postman. Try now ->

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Blog

Requestly blog

Explore easy to follow tutorials, real-world case studies, and behind the scenes insights into the features we build and the developers who bring them to life.

Requestly security and compliance

Requestly Launches AI Test Authoring for API Test Scripts

Requestly introduces AI Test Authoring, allowing developers to automatically generate and refine API test scripts for faster, smarter testing.
Sagar Soni
January 22, 2026

Featured posts

Top Builds from PEC Hacks 3.0: MetalliSense Takes the Requestly Prize
Requestly hackathon sponsorship highlights PEC Hacks 3.0, where Team MetalliSense won by building a distributed AI system using Requestly for testing and validation.
Akanksha Bhadauria
January 19, 2026
Endpoint ft. Kushagra Gour: A Builder’s Philosophy on Craft and Empathy
Endpoint by Requestly is a new series spotlighting software leaders who don’t just follow trends but define them, sharing real-world insights and hard-earned lessons that shape the future of technology.
Kanishk Rawat
November 3, 2025
AB Tasty scales testing and demos with Requestly
AB Tasty accelerates testing and demos with Requestly—switching environments, injecting scripts, and personalizing sites in seconds.
Akanksha Bhadauria
October 16, 2025

All posts

How to stress test React apps
Learn how to stress test React apps using Requestly. Simulate API latency, bad responses, and more to ensure performance and stability.
Sagar Soni
June 30, 2023
Why you should switch to Brave from Google Chrome
It’s 2022 and the internet as a whole is changing faster than ever. Do you value your privacy and an open internet?
Sagar Soni
June 30, 2023
How to test and debug Adobe Target campaigns in Chrome
Learn how to effectively debug Adobe Target campaigns using Requestly. Load unminified scripts, test live changes, and more.
Sagar Soni
June 30, 2023
integrate convertflow with any website
Try Convertflow on Any Website under 30 Seconds
Try Convertflow on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization
Sagar Soni
June 30, 2023
http interceptor
How Requestly helps developers and QA modify HTTP requests
Wondering what Requestly has for you? Checkout this detailed article for all your questions!
Sagar Soni
June 30, 2023
redirect url
How to redirect search query to DuckDuckGo
Learn how to quickly and easily redirect Google searches to DuckDuckGo using Requestly. Step-by-step guide with clear instructions.
Sagar Soni
June 30, 2023
How to set Custom userAgent string
A user agent identifies your browser to websites. Modify it with Requestly by setting up a “Modify User Agent” rule to test different browser behaviors easily.
Sagar Soni
June 30, 2023
What is CORS and how to bypass it?
Learn what CORS is, why it’s important, and how to bypass it for local development and testing. Practical solutions and examples included.
Sagar Soni
June 30, 2023
What is Ngrok and how does it work?
Let’s explore and dive deep into the internal mechanism of Ngrok and understand how it helps developers and testers access the local web servers.
Sagar Soni
June 30, 2023
What is Requestly?
Learn what Requestly is and how it can accelerate your frontend development process. Explore its features for API mocking, live testing, debugging, and collaboration
Sagar Soni
June 30, 2023
developer tools
Best YC DevTools to accelerate development, testing, or debugging
List of YC companies that provide devtools and help build better products
Sagar Soni
June 30, 2023
Beyond the Office Walls: Requestly’s First Offsite and Hackathon
Requestly’s first Offsite and most awaited 48-hour Hackathon.
Akanksha Bhadauria
June 30, 2023
inspect network traffic for android
How to Inspect & Modify HTTP Traffic from Android Apps
Learn how to use Requestly to inspect and modify HTTP traffic from Android apps for easier testing and debugging.
Siddhant Varma
June 30, 2023
Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
Learn how Requestly stacks up against other popular web debugging proxies. Explore its unique features and advantages.
Sagar Soni
June 2, 2023
Replace Rule Documentation
Kanishk Rawat
November 26, 2022
Requestly Turns 6!
Join us in celebrating Requestly’s 6th anniversary! We’re looking back at a year of new features, improvements, and exciting plans for the future.
Kanishk Rawat
June 15, 2020
How to Read Quora Posts Without Signing In
Learn how to browse Quora anonymously without creating an account using Requestly. Simple, step-by-step instructions.
Kanishk Rawat
August 21, 2019
Replace any Image on a Webpage with Requestly
Learn how to easily replace any image on a webpage using the Requestly Chrome extension. Perfect for testing new logos, designs, and more.
Kanishk Rawat
April 21, 2019
How to Get good old reddit back!
Use Requestly to quickly switch back to old Reddit. A simple solution for those who prefer the classic Reddit interface.
Kanishk Rawat
June 9, 2018