Requestly: Modify Headers | Redirect,Mock API

🚀 Most Popular tool to Intercept, Modify & Debug network requests. Used by over 150,000+ web developers in 5000+ organisations 😍 🔥 🔥 Modify Headers - Request and Response Headers 🔥 🔥 👉 Modify HTTP(s) Request & Response headers (Extremely helpful for web developers for debugging applications) 👉 Handle CORS Issues in your application 👉 Add / Remove / Modify Content-Security-Policy, X-Frame Options, X-Forwarded-For, Authorization, Access-Control-Allow-Origin, etc 👉 Conditional URL targeting for header modifications 👉 Collaborate with other users by sharing the modification rules in single click 👉 Works with Selenium - [https://www.npmjs.com/package/@requestly/selenium](https://www.npmjs.com/package/@requestly/selenium) 👉 [https://requestly.io/features/modify-request-response-headers](https://requestly.io/features/modify-request-response-headers) 🙃 🙃 Mock API Responses - XHR & Fetch Requests 🙃 🙃 ✍🏼 Define Custom Response for your APIs requested by XHR or fetch ✍🏼 Code handler to modify the API response ✍🏼 Simulate different API behaviours and test your app (e.g. Bad API responses) 📌 Demo Video -- https://www.youtube.com/watch?v=KIPbxUGUYq8 🔀 🔀 Redirect URLs, Change Host, Modify Query Params 🔀 🔀 👉 Use development/Staging APIs in production websites & test your latest changes before deployment to production 👉 Debug remote JS/CSS by redirecting to local JS/CSS in production websites 👉 Switching Hosts (All requests for xyz.com should go to abc.com) 👉 Stay away from time killing sites. Setup rules like when URL contains facebook.com, then redirect to microlessons.xyz and learn something new. 👉 Create URL shortcuts 👉 [https://requestly.io/features/redirect-url](https://requestly.io/features/redirect-url) ⏰ ⏰ Delay/Throttle Network Requests - API Requests, JS, CSS etc ⏰ ⏰ 👉 Supports delay in both XHR & fetch based API requests 👉 Delay API requests to test the loading experience of your app 👉 Test different race conditions in your applications, you can delay a script by some milliseconds 👉 Test behaviour of your app when one or more APIs respond slow (API Latency has gone up) 👉 [https://requestly.io/blog/2021/07/02/adding-delay-to-network-requests](https://requestly.io/blog/2021/07/02/adding-delay-to-network-requests) ⭐ ⭐ User Scripts - like TamperMonkey or GreaseMonkey Scripts ⭐ ⭐ 👊🏼 User scripts are simple javascript, css code that can change the layout of a page, add or remove new functionality and content, or automate actions. 👊🏼 Support your script with popular libraries like jQuery and underscore. 👊🏼 Use File Hosting service to upload long scripts and get a URL to be used in your websites or Requestly rules 👊🏼 [https://requestly.io/features/insert-custom-scripts](https://requestly.io/features/insert-custom-scripts) 🚫 🚫 Block requests or Websites by matching keywords or URL criteria 🚫 🚫 👊🏼 Stay Focused by blocking distracting or harmful sites 👊🏼 Block Adult Content 👊🏼 Block URLs matching a particular pattern - Could be Ads, Tracking pixels, Images etc ⭐ ⭐ Additional Features ⭐ ⭐ 👊🏼 Deactivate the extension when you don't need it. 👊🏼 Enable/Disable the rules with just single click 👊🏼 Export and import the rules and maintain a backup for your rules 👊🏼 Easy collaboration with others. Share Rules with other Users in one click 👊🏼 Browser Sync is enabled so you create/change your rules in one browser and the changes will automatically be reflected in another. 👊🏼 Manage your rules in different groups/folders 👊🏼 Marketplace with pre-created use cases like Enable CORS, Block Social Media etc - [https://app.requestly.io/marketplace](https://app.requestly.io/marketplace) 🦸🦸 References 🦸🦸 🔗 Website ➡️ https://requestly.io 🔗 Docs ➡️ https://docs.requestly.io 🔗 Support ➡️ https://github.com/requestly/customer-support/issues 🔗 Desktop App ➡️ https://requestly.io/desktop/