HTTP interceptor - Requestly API Client - Page 9

Requestly joins BrowserStack to build the future of application testing

Requestly’s partnership with BrowserStack revolutionizes application testing, enhancing developer efficiency with advanced tools and cloud infrastructure.

Http Interceptor

Product Updates

Featured posts

Top Builds at PEC Hacks 3.0: MetalliSense Wins

Explore top builds from PEC Hacks 3.0 and discover how MetalliSense leveraged AI and Requestly for innovative real-time metal analysis.

Akanksha Bhadauria

January 19, 2026

That’s a Wrap on Hacktoberfest 2025: Our Success Story

Requestly’s first Hacktoberfest was a huge success! 🎉 15 new contributors, 28 total contributions, and an incredible mix of code & no-code creativity.

Akanksha Bhadauria

November 5, 2025

How Requestly Enables Personalized Brand Demos Fast

Global learning tech provider uses Requestly to deliver brand-personalized demos in minutes by swapping logos, images, and data—no code or backend changes.

Akanksha Bhadauria

October 23, 2025

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Introducing Web-based API Client (Secure & Open-Source)

Discover the Requestly web-based API Client—a secure, open-source solution that streamlines API design, testing, and collaboration for seamless workflows.

Learn & bypass Content Security Policy HTTP Response Header

Bypass CSP header to speed up your testing

How Backend Devs Can Save 1 Hour Daily in Local Dev

Learn how to use Requestly to supercharge your backend testing process. Test locally, mock APIs, and debug efficiently.

March 2023 Product Updates

Check out Requestly’s March product updates, featuring an AI response generator, GraphQL support in Modify Response, enhanced session recording, and more.

May 2023 Product Updates

Explore Requestly’s May updates: a new API client for cross-platform testing, desktop app enhancements, and more. Try Requestly today!

How to Mock and Fake GraphQL APIs using Chrome Extension

Graphql has completely changed the way APIs are used to fetch data. The simplicity and entity based architecture ensures support for complex querying

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.

How to Inspect & Modify HTTP traffic from iOS Apps

Learn how to use Requestly to inspect and modify HTTP traffic from iOS apps for easier testing and debugging

How to modify Query parameters in URL

Query Parameters are an important part of a URL. In this article, let’s see how you can modify a query parameter using Requestly.

Requestly July’22 Updates

Record & Replay browser sessions, Analytics Debugger for Android, Improved Modify Headers experience and a lot more!

Requestly Sep’22 Updates

Unblock frontend developers when APIs are not ready

How to do Unit Testing in NodeJS

Learn how to perform unit testing in Node.js, covering setup, frameworks (Jest, Mocha, Ava), mocking, stubbing, TDD, and best practices.

How to Prevent Marketers from Tracking you using Requestly

Requestly has an easy interface that will allow you to quickly configure a rule that will strip all URLs with UTM parameters.

How to Test Product Changes Without Deploying to Production

Easily debug remote scripts without managing proxies. Use Requestly redirect Rule to swap out remote files with a locally served dev version.

How to load local script in production in Adobe Launch

Learn how to use Requestly to replace production Adobe Launch scripts with local development versions for testing and debugging.

How to replace any image with local in Chrome

Have you ever wondered how your new logo will look like on the production version of your page? Would you like to see that beautiful new logo in context?

Requestly Dec’22 Product Updates

We bring you all the exciting updates we made in Dec ’22 to improve your product experience.

Requestly Is Going Open-Source

Requestly will be a complete open-source tool for web debugging. With this release, you can use the tool for free and even build on top of it.

Requestly Jan’23 Product Updates

Learn about all the Requestly updates from January 2023: improved UI, in-app shortcuts, map local feature, team workspace enhancements.

Requestly Nov’22 Product Updates

Hey Requestlian 👋, This is Sachin – Founder & CEO, Requestly. In this newsletter, I bring to you the latest product updates that we made in Nov’22.

Requestly on Stack Overflow

Find how Developers and QAs use Requestly to solve their problems

How to modify HTTP requests matching regex

Learn how to use Regex, Wildcard, and other matching operators in Requestly to modify HTTP requests effectively. Control your web traffic!

How to Self Host Mozilla Firefox Add-ons

Learn how to self-host Mozilla Firefox add-ons with our easy guide, ensuring quick access for users without the lengthy review process.

Share rules and collaborate with team mates!

Learn how to create and share Requestly rule lists. Simplify collaboration and ensure consistency across your team

Simplifying API Testing with Requestly API Mock Service

Learn how Requestly’s API Mock Service streamlines API testing and development. Create mock endpoints, customize responses, and simulate latency easily.

How to simulate API latency during development

Learn how to simulate API latency using Requestly to test your application’s performance under different network conditions.

Simulate HTTP Status codes — 400, 404, 500, etc using Requestly

This article will take you through how to use Requestly to simulate different API status codes and test your app

Simulating 404 HTTP status code in Blinkit Search API

Learn how to simulate 404 HTTP status codes using Requestly to test error handling in your web applications.

Stop facebook from tracking you

Learn how to quickly and easily block Facebook tracking using Requestly. Step-by-step guide with clear instructions.

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.

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?

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.

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

How Requestly helps developers and QA modify HTTP requests

Wondering what Requestly has for you? Checkout this detailed article for all your questions!

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.

How to set Custom userAgent string

Learn how to set a custom userAgent string with Requestly to test browser behaviors and enhance your web browsing experience effortlessly.

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.

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.

What is Requestly?

Unlock frontend development with Requestly: streamline API mocking, live testing, and debugging, boosting your coding speed by 10x!

Best Y Combinator DevTools to Accelerate Dev & Testing

List of YC companies that provide devtools and help build better products

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly

Learn how Requestly stacks up against other popular web debugging proxies. Explore its unique features and advantages.

Replace Rule Documentation

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.

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.

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.

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.