Use Cases

Dinesh Thakur · Jun 1, 2025

How to Change Your IP Address Using Requestly

Learn how to change your IP address using Requestly with our easy guide, perfect for developers needing to simulate geolocation or test app performance.

Kanishk Rawat · May 29, 2025

Using Requestly to Toggle Feature Flags

Learn how to test feature flags easily with Requestly by modifying headers and cookies, no backend changes needed for faster, safer releases.

Kanishk Rawat · May 28, 2025

Using Requestly for Localization Testing

Test localization effortlessly with Requestly by simulating regions using headers, no backend changes needed.

Dinesh Thakur · May 26, 2025

Using Requestly for HTTP authorization

Unlock seamless HTTP authorization testing with Requestly to enhance your QA workflow and streamline security checks effortlessly.

Dinesh Thakur · Feb 24, 2025

How to use access token from another API response

Learn how to efficiently use access tokens from API responses to automate authentication in Requestly and streamline your workflow.

Dinesh Thakur · Oct 1, 2024

Validate Ad Requests from Facebook's Audience Network SDK

Learn how to validate ad requests from Facebook's Audience Network SDK using Requestly. Monitor and analyze ad traffic for better performance. Read now!

How to Load Staging GraphQL APIs on Local Apps

Let’s explore how you can speed up your local development with GraphQL APIs using Replace Rule.

How to make non-intrusive GraphQL API Mocks

Learn how to create non-intrusive GraphQL API mocks using Requestly. Develop frontend features in parallel without hardcoding responses.

How to Override GraphQL API Query & Mutations

Learn how to override GraphQL API queries and mutations using Requestly. Modify request bodies programmatically for testing and development. Read now!

How to Override GraphQL API Responses

Frontend developers often need to test their code with variations in API responses. In this post, learn how to override GraphQL API responses.

Try Beamer on Any Website Under 30 Seconds

Try Beamer on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization

Try Drift on Any Website Under 30 Seconds

Try Drift on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization

Try HotJar on Any Website Under 30 Seconds

Try Hotjar on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization

Try HubSpot on Any Website Under 30 Seconds

Try HubSpot on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization

Try Typeform on Any Website Under 30 Seconds

Try Typeform on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization

Kanishk Rawat · Jul 15, 2024

Try Crisp on Any Website Under 30 Seconds

Try Crisp on any website with greater efficiency and less time and effort, using Requestly for smooth integration and optimization

SGSahil Gupta · Dec 22, 2023

How to load a different API response in frontend code?

Learn how to load different API responses in your frontend code for testing and development. Use Requestly to easily modify HTTP responses. Read now!

Sagar Soni · Dec 22, 2023

How to mock authentication when the backend is not ready

Learn how to mock authentication for seamless frontend development even when your backend isn't ready. Use Requestly to simulate APIs.

Parth Bhardwaj · Dec 13, 2023

How to download network logs using Requestly SessionBook?

Step by step guide for how to record website sessions and download network logs using SessionBook. You can start automatic session recording and much more.

Nafees Nehar · Dec 13, 2023

How to Test Your Website for Unusual Scenarios

As a web developer or QA, you need to test your website with different scenarios. Requestly helps simulate these scenarios without modifying the code.

Parth Bhardwaj · Dec 13, 2023

Redirect URLs Across Environments in Chrome Extension

Switch environments, debug, and test efficiently with Requestly URL Redirection. Redirect URLs effortlessly using our Chrome extension

Sagar Soni · Nov 15, 2023

How to Modify API Responses in Chrome

Learn how to modify API responses in Chrome for testing and development. Use Requestly to simulate various scenarios and improve your workflow. Read now!

Sagar Soni · Sep 20, 2023

How to Use Session Book To Debug Faster

Learn how Requestly Session Replay speeds up debugging by capturing user interactions, console logs, and network details. Share recordings easily!

Sagar Soni · Aug 24, 2023

Decode Network Logs: Capture, Analyze & Share Easily

Learn how to capture, analyze, and share network logs for web development and debugging. Improve website performance and troubleshoot issues effectively.

Modify HTTP Headers in Browsers 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.

Sagar Soni · Aug 4, 2023

Simulate 500 Error 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.

Sagar Soni · Aug 1, 2023

Sagar Soni · Jul 31, 2023

How to Add an Authorization Header in Chrome, Firefox & Safari

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

Sagar Soni · Jul 26, 2023

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.

Modify API Request Body in Chrome, Firefox, Android & iOS

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

Learn how to modify the response body of JS files effortlessly with Requestly, ensuring safe testing without disrupting your live site.

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.

Sagar Soni · Jul 13, 2023

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.

Adding Delay to Network Requests

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

Sagar Soni · Jul 6, 2023

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

Sagar Soni · Jul 6, 2023

How to Embed iFrames by Bypassing X-Frame-Options

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

Sagar Soni · Jul 5, 2023

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.

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 block domains using Requestly

Learn how to block unwanted domains using Requestly to improve browsing speed, privacy, and control.

Modify HTTP Requests in Chrome & Safari Using Rules

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

How to load local JS files on live Production sites

Useful in debugging JS production bugs or testing local changes before shipping code to production.

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 Map Local (File)

Learn how to use Requestly's Map Local feature to serve local files for testing and development, speeding up your workflow.

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 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.

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?

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 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.

Learn & bypass Content Security Policy HTTP Response Header

Bypass CSP header to speed up your testing

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.

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.

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.

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

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.

Kanishk Rawat · Aug 21, 2019

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.