Description from extension meta
Features: Intercept & Modify HTTPs Requests, API Mocking, GraphQL Mocking, Rest API Client, API Testing, Modify HTTP Headers, etc
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Description from store
π Best Chrome extension to supercharge Web Development & QA. Trusted by 200,000+ developers.
π Requestly works directly in Chrome with beautiful, modern UI and team collaboration features. Popular features - Modify HTTP Headers, Override API Responses, API Client, API Mocking & HTTP Interceptor.
βοΈ Open Source - https://github.com/requestly/requestly/
π Top Use Cases
β A beautiful & privacy-friendly API-Client
β Mock API Responses to build frontend when backend isn't ready
β Modify HTTP Request & Response Headers
β Test local JavaScript changes directly on production site.
β Use HTTP Redirect Rule to load scripts from local or staging environments on production sites.
β Modify and Mock API Request payload, Response body, & Status Code.
β Override GraphQL Requests
π https://requestly.com/blog/what-is-requestly
Requestly (now a part of BrowserStack.) doesnβt set up a proxy in your browser, and hence, developers donβt face VPN issues or lags while using it. Requestly leverages Chrome Extension APIs under the hood to hit API endpoints and to intercept & modify requests.
======== Top Features ========
π Beautiful & Privacy-Friendly API Client
β Test API Responses
β API Collections
β Environments (Variables & Secrets)
β Pre-Request & Post-Response Scripts
β Team Workspaces
π Demo Video β https://www.youtube.com/watch?v=xrqmAffe86k
π Mock XHR & Fetch API requests (Stub API Responses or API Mocking)
β Helps in building frontend faster when backend (or APIs) don't exist
β Define Custom API Responses triggered by XHR/fetch
β Modify/Override API responses
β Mock GraphQL API responses
β Simulate fake HTTP Status Code (400s or 500s)
π Demo Video β https://www.youtube.com/watch?v=KIPbxUGUYq8
π HTTP Interceptor Features
β HTTP Redirects (API or JS Redirects from one env to another)
β Swap Host/Domain of HTTP Requests
β Modify HTTP Request & Response Headers
β Override XHR Request Body & Response Body
β Insert Scripts
β Block Network Requests
β Add/Simulate Delay in HTTP Requests
π Demo Video β https://www.youtube.com/watch?v=vfcGy2666us
======== HTTP Interceptor Features & their Use-Cases ========
π Redirect URLs, Change Host, Modify Query Params (Map Remote or Map Local)
β Use dev/staging APIs in production sites & test local changes without code changes
β Debug remote Javascript by loading locally running JS in production sites
β Switch Hosts (e.g. abc.com/* to xyz.com/*) using Replace Rule
β Debug Ad Tracking Pixels, Debug A/B Test Campaigns, etc
β Remote Debugging with Requestly on Production sites
β Swap Adobe Launch (Adobe DTM) scripts in production with staging script
π Demo Video -- https://www.youtube.com/watch?v=85GVaOWTnlE
π Insert Scripts to any Webpage
β UserScripts are simple JavaScript/CSS code that can change the layout of a page, add or remove new functionality and content, or automate actions.
β Use File Server to upload long scripts and Inject them using Script Rule
β Inject your JS tags on potential customers' sites and test your features
β The sales/product team can use this to demo the product directly on the prospectβs website (10x engaging demo)
π Demo -- https://www.youtube.com/watch?v=4dvucRjLwGY
π Cloud-based API Mock Server
β Create API Mocks
β Generate Mock data (random data) in the API response
β Test Mock API endpoints using API client
β Add delay to the API Mocks
β Define custom HTTP status code & custom headers in the API Mock
β CORS enabled. The mock endpoints work seamlessly without CORS errors.
π https://app.requestly.io/mocks
π Session Recording
β Visual Bug Reporting Tool
β Cut down your bug reporting time & debugging time
β Automatically capture browsing video, Console logs, Network logs & env details
β Get quality bug reports from QAs, Customer Support & other non-technical people
β Easily Share Har files
π Demo Video β https://www.youtube.com/watch?v=g_qXQAzUQgU
π Requestly provides the following imports
β All workspace data including api collections, environments and scripts from Postman
β All api collections, and environments from Insomnia
β All workspaces, api folders, and environments from Bruno
β All HTTP header profiles from ModHeader
β JSON configuration for Redirects & Scripts from Resource Override
β XML configuration from Charles Proxy (Map local isn't supported yet due to technical limitations)
π Docs -- https://docs.requestly.com/general/imports/postman
π Additional Features
β Enable/Disable rules with a single click
β Export and import the rules and maintain a backup for your rules
β Easy collaboration with others. Share Rules with other Users in one click
π Demo -- https://www.youtube.com/watch?v=BM7kTFy-vdc
======== References =======
π‘ Website - https://requestly.com
π Docs - https://developers.requestly.com
π₯· Github - https://github.com/requestly/requestly
π» Desktop App - https://requestly.com/desktop
π³ Issues - https://github.com/requestly/requestly/issues
πPrivacy - https://requestly.com/privacy
Latest reviews
- (2025-07-17) Adam tanul: very good
- (2025-07-17) Anastasiia Beliaeva: not bad, i often use it
- (2025-07-17) AurΓ©lien DIGBEU: Game changer
- (2025-07-17) Linda Dekker: This addon makes it possible for me to mock responses and do my work as a software tester even before backend API's are delivered.
- (2025-07-16) Luke Powell: Such a simple looking but powerful platform.
- (2025-07-16) Dominykas: Very useful and easy to use tool.
- (2025-07-16) Quy Nguyen: Very well extension <3 <3
- (2025-07-16) Ayush Gupta: very well extension
- (2025-07-15) Yondiel: So incredibly useful and easy for anyone to use. Would strongly recommend trying it out.
- (2025-07-14) Bas Nieuweboer: Easily the best webdev and debug addon in the chrome store.
- (2025-07-14) Siddharth Garg: Simple, complete and productivity tool for developer
- (2025-07-14) Gustavo Alves: Best app to test API and modify for test.
- (2025-07-13) Kobi S: Amazing extension for simplify development, cyber security and netwotk monitoring
- (2025-07-11) Ryan Bresnahan: Very helpful for testing!
- (2025-07-09) Ammad Adil: best
- (2025-07-09) Cara Reeve: This is one of the most handy and effective tools in my pocket when it comes to development. The best thing for intercepting and updating network packets when testing out live scenarios.
- (2025-07-09) Jim Terrill: This is a really helpful tool for mocking data.
- (2025-07-08) Griunf 11w: action replay for pc
- (2025-07-08) Matt Donegan: super helpful at work for image redirection!
- (2025-07-08) Binyomin A: this is a lifesaver for me! helps so much
- (2025-07-07) Oleg Fried: Great to have that tool to test api error handling
- (2025-07-01) Armand Smit: I used Requestly to test my React App error handling capabilities, and it's awesome!
- (2025-07-01) Steffen Sander: I used requestly to spoof the response on the New York Times Puzzle pages to have custom-made puzzles for my girlfriend as a small gift for our anniversary. The tool worked flawlessly and she was super happy to have individual relationship-themed puzzles with the original NYT look&feel! The team was super eager to help me out by even extending my trial slightly :) It's a great tool with an even better team behind it
- (2025-06-30) Daniel Gonzalez: Great tool! Easy to modify headers and api responses
- (2025-06-29) Francesca Cella: One of the best tool I ever use to work! Really powerful tool. No particular setup is needed, it makes development and QA a lot easier and faster. With all the feature offered, a lot of scenario are covered, from simple to high customization required use cases.
- (2025-06-29) Dimas Yoga Permana: Great tool, save a lot of time on manipulating network request and APIs.
- (2025-06-29) Arjan: easiest api tool to use, more advanced and user friendly than others too
- (2025-06-28) Sagar: Great tool - easy to use
- (2025-06-27) Ihor Dziuba: Great!
- (2025-06-27) Program manager: It's Great!
- (2025-06-26) Vi Salazar: easy to use
- (2025-06-26) Alexey Gavryushkin: Super mock service, I'm recommend this to all frontend developers
- (2025-06-26) Majid Ghafouri: Perfect
- (2025-06-26) Olivia Le: Great, I use this everyday
- (2025-06-25) Samuel CortΓ©s Jurado: GOOD
- (2025-06-25) grigor ganekov: Nothing else like it, it is Perfect
- (2025-06-25) Sneha Sowrabha: Perfect
- (2025-06-24) ΠΠΎΠ½ΡΡΠ°Π½ΡΠΈΠ½ ΠΠ°Π·Π°ΡΠ΅Π²: It's a good application for me, while the rating is low for some bugs and lags, but I really like that you continue to develop and get better!
- (2025-06-24) Platon Zakharov (Paradoks): Realy perfect and comfortable app for developing, but i think so coastly. Also you can't buy a cheap tariff monthly, only for a year. Or monthly but not cheap
- (2025-06-18) Vojta Briza: Perfect
- (2025-06-05) Wilmer Guerrero: so far, so good. This tool helped me a lot ;)
- (2025-06-03) Alayne Deleppo: Very helpful in modifying requests. I had tried other solutions which proved unreliable, but Requestly came to my rescue with a free trial and a lot of support for my questions.
- (2025-06-03) Ghanshyam Dobariya: Overall UX of requestly is developer friendly. Me and my team are using it from 1+ year and journey so far is super smooth.
- (2025-06-02) Grigorii Pika: Great tool, have been using it daily for the past 1.5 years to set up demos and test our app with different websites
- (2025-05-29) Olivier Rousseau-Guyot: Most flexible tool to inject and intercept scripts in websites
- (2025-05-19) Raul Gamez: We starting using it as an alternative to mock our requests and we realized it was super useful in our daily life. Super top tool!
- (2025-05-19) Priyank Nahata: Works well and very easy to pick up and friendly UI
- (2025-05-19) Davide Velluto: Super useful, great functionalities and tests to setup the proper mocks. Sharing requests with team mates is so useful and done very easily.
- (2025-05-16) Juan Castro: Really useful tool to mock server responses. It makes frontenders happier π
- (2025-05-14) Ana Andrea Ramiro: Really easy to use, setting a new rule with your response is simple. Also the team behind this is really helpful!
Statistics
Installs
200,000
history
Category
Rating
4.3416 (1,288 votes)
Last update / version
2025-07-02 / 25.7.1
Listing languages
en