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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.

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.

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

What are Authorization Headers?

Learn about authorization headers, their importance in web security, and the different types used in modern web development.

August 23, 2023

How to generate HAR files in Chrome, Firefox & Safari?

Learn how to create HAR files using popular browsers (Chrome, Firefox, Safari) and Requestly for comprehensive website analysis.

Demystifying How Postman Web Works

Learn how Postman Web overcomes CORS limitations to send API requests. Explore its proxy server architecture and request handling mechanisms.

How to modify Headers in HTTP(s) Requests & Responses in Chrome, Firefox & Safari using Requestly

Using Requestly, you can modify headers of HTTP(s) Requests & Responses in Chrome, Firefox & Safari for better control over your HTTP(s) Requests.

Simulating 500 HTTP status code in Create Tweet API on Twitter

Using Requestly, you can simulate different HTTP status codes for testing purposes. In this blog, we will see how to simulate 500 code using Twitter API.

Top 5 Web Debugging Proxies for Beginners

Explore the top 5 web debugging proxies, including Charles Proxy, Mitmproxy, Wireshark, Burp Suite, and Requestly. Compare features, pricing, and support.

How to add the authorization header to every request in Chrome, Firefox, and Safari?

Using the Requestly Chrome extension, you can add authorization headers to every request in Chrome, Firefox, & Safari.

Open-source frontend development stack

Explore a complete open-source stack for frontend development, including frameworks, testing tools, debugging utilities, and deployment solutions.

How to insert scripts dynamically in a webpage

Learn how to dynamically insert scripts into web pages using Requestly for on-the-fly modifications and enhanced functionality.

What are HTTP Headers & Understand different types of HTTP headers

Learn about the different types of HTTP headers, including security, authentication, caching, CORS, and more. Essential knowledge for web developers.

What are X-forwarded Headers, and why it is used?

Learn about X-Forwarded headers (X-Forwarded-For, X-Forwarded-Proto, etc.) and their importance in web development and security.

How to build your own Chrome Extension to Modify HTTP Headers

Learn to build a Chrome extension to modify HTTP headers using the DeclarativeNetRequest API. Step-by-step tutorial and code examples.

Introduction to WebPack & Top 5-features of Webpack

Webpack is a static module bundler for JavaScript applications. It takes modules with dependencies and generates optimized bundles that can be loaded by the browser.

Resource Override Chrome Extension Alternative

Resource Override Chrome Extension is no longer supported. Requestly is a modern and advanced alternative with 1-Click migration support. Let’s compare the features.

How to modify the API request body in Chrome, Firefox, Android & iOS apps?

Learn how to modify API request bodies on-the-fly using Requestly. Test edge cases, add data, and change GraphQL queries without code changes.

How to modify the response body of HTTP requests?

Learn how to modify HTTP response bodies on-the-fly using Requestly. Test APIs, simulate different scenarios, and debug faster without server changes

How to modify the response body of JS files

JS is the backbone of all modern web apps. Every website we interact with is powered with javascript. For a developer, there might come an occasion where they want to make changes to the JS file without affecting the live website. The article will explain to you how to do that.

How to simulate HTTP status code?

Learn how to simulate different HTTP status codes for testing your web application’s error handling. Use Requestly to easily modify responses.

Chrome Developer Tools – Network Tab

Learn how to use the Chrome DevTools Network tab to analyze, test, and debug your web applications. Inspect network activity, timing, headers, and more.

Debugging Next.js App in Production

Learn how to debug Next.js apps directly in production using Requestly. No local setup needed! Speed up your debugging workflow.

What is a HAR file and How to analyze them?

Learn what HAR files are, what they contain, and how to analyze them for web debugging and performance analysis.

Life Cycle of a HTTP Request

HTTP requests are messages of communication between web API’s and their clients of computers. We discuss life cycle of a HTTP request in this article.

A Guide to Mock APIs & Roundup of Top 5 Tools (Free & Paid)

Discover Mock APIs, their benefits, use cases, and best practices. Comparing the top 5 free and paid Mock API tools to optimize your development workflow

June 2023 Product Updates

Learn about all the Requestly updates from June 2023: improved app layout, Cmd+K menu, in-rule help, enhanced GraphQL support, and Arc browser integration.

Adding Delay to Network Requests

Learn how to simulate network delays for testing web applications. Explore different methods and tools for realistic testing scenarios.

How to troubleshoot the CORS error using Requestly?

CORS, or cross-origin resource sharing, happens when an endpoint being served from domain-A.com is requested from another domain-B.com

How to embed iframes by bypassing X-Frame-Options and frame-ancestors directive

There are two methods to bypass iframe blocking: By removing X-frame options and adding the frame-ancestor directive to the Content-security policy.

5 Chat GPT Prompts That Every Frontend Developer Should Know

Learn how to leverage ChatGPT for frontend development. These 5 prompts will help you generate code, debug, test, and optimize your projects.

Top 6 Developer Tools to Enhance Your Front-End Workflow

Streamline your front-end development with these 6 must-have tools. Improve coding, testing, and debugging efficiency.

5 Ways to make App & Web Debugging extremely easy

Learn how Requestly can streamline your web development workflow with these 5 powerful features for testing and debugging.

How Requestly empowers developers & QAs in AdTech Industry

Most Tech giants rely on Ads as their primary business model. See how Requestly powers devs & QAs!

April 2023 Product Updates

Check out Requestly’s April product updates, focused on improving the desktop app experience with rule creation from the traffic table and enhanced connected apps.

How to do selenium automation testing using requestly

When developing applications, we optimize for our home network but overlook unstable or low coverage scenarios, crucial for selenium automation testing.

Chrome Developer Tools: A Beginners Guide

The Google Chrome browser includes a suite of web developer tools called Chrome DevTools. For web developers, they can be incredibly useful. Learn more about them here.

How to Find the Best API Client: Postman vs Insomnia vs Hoppscotch vs ThunderClient

Finding the best API client can be difficult when there are 10s of tools with slightly different features, let’s find which one is best for you.

Debugging CORS Issue with Lea Verou

Learn how we helped Lea Verou debug a tricky CORS issue using Requestly. See how to solve CORS errors quickly and efficiently.

How to create Rules to Modify HTTP Requests in Chrome & Safari

Learn about the different rule types in Requestly and how they can be used to modify HTTP requests for testing, development, and more

GET vs POST vs PUSH HTTP Methods

HTTP has many features and benefits that help moderate the entirety of the World Wide Web. Wonder what makes it such a huge deal? Let’s dive in.

How to replace production JS with the one hosted on Github

Discover how to securely replace production JS with JavaScript hosted on GitHub using Requestly.

February 2023 Product Updates

Learn about all the Requestly updates from February 2023: open-sourcing, revamped help guides, improved team workspace, and upcoming GraphQL support.