Requestly - Free API Testing & Mocking Tool

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RQ Labs India Pvt Ltd

(14)

‪10,000+‬ Users
Developer tools
RQ Labs India Pvt Ltd

(14)

‪10,000+‬ Users
Developer tools

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Description

Edge’s favorite Open-Source DevTool of 2024! Named one of the best Edge extensions to Modify HTTP Requests by the Edge team & rated 5 stars by 200,000+ users.

Best alternative to Charles Proxy, Fiddler and ModHeader that works directly in Edge with beautiful, modern UI and team collaboration features.

Top Use Cases
→  Test JavaScript changes directly on your production site without code changes.
→  Use Redirect Rule to load scripts from local or staging environment on production sites.
→  Modify and Mock API Request payload, Response body & Status Code.
→  Override GraphQL Requests

Unlike Charles Proxy & Fiddler, Requestly doesn’t set up a proxy in your browser and hence developers don’t face VPN issues or lags while using it. 
Requestly leverages Edge Extension APIs under the hood to hit API endpoints, intercept & modify requests.

**Top Features**

👉 Mock XHR & Fetch API requests
→  Define Custom Response for your APIs requested by XHR/fetch
→  Modify API response directly on Staging or Production sites
→  Works with GraphQL APIs
→  Simulate fake HTTP Status Code (400s or 500s) for your APIs
📌  Demo Video – [https://www.youtube.com/watch?v=KIPbxUGUYq8](https://youtu.be/DNv_tlhoT90)

👉 Redirect URLs, Change Host, Modify Query Params (Map Remote or Map Local)
→  Use dev/staging APIs in production sites & test local changes without code changes
→  Debug remote Javascript by loading locally running JS in production sites
→  Switch Hosts (e.g. [abc.com/*](http://abc.com/*) to [xyz.com/*](http://xyz.com/*)) using Replace Rule
→  Debug Ad Tracking Pixels, Debug A/B Test Campaigns, etc
→  Remote Debugging with Requestly on Production sites
→  Swap Adobe Launch (Adobe DTM) scripts in production with staging script
📌 Demo Video -- [https://www.youtube.com/watch?v=85GVaOWTnlE](https://www.youtube.com/watch?v=J9I0Sf6IPpY)

👉 Insert Scripts to any Webpage like TamperMonkey or GreaseMonkey Scripts
→  UserScripts are simple javascript, CSS code that can change the layout of a page, add or remove new functionality and content, or automate actions.
→  Use File Server to upload long scripts and Inject them using Script Rule
→  Inject your JS tags on potential customers' sites and test your features
→  The sales/product team can use this to demo the product directly on the prospect’s website (10x engaging demo)
📌  Demo -- [https://www.youtube.com/watch?v=4dvucRjLwGY](https://www.youtube.com/watch?v=b3TzuxkNdgM)

👉 Mock Server
→  Create Mock API calls
→  Generate Mock data (random data) in the API response
→  Test Mock API endpoints using API client
→  Add delay to the endpoints
→  Define custom HTTP status code & custom headers in the API Mock
→  CORS enabled. Mock endpoint will work seamlessly without CORS errors.
📌 https://app.requestly.io/mocks

👉 Session Recording
→  Visual Bug Reporting Tool
→  Cut down your bug reporting time & debugging time
→  Automatically capture browsing video, Console logs, Network logs & env details
→  Get quality bug reports from QAs, Customer Support & other non-technical people
→  Never deal with asking for Steps to Reproduce
→  Never deal with generating & Sharing Har files
→  Attach the session recording link in Jira Tickets, Emails, or Slack anywhere
→  Much better experience than Fiddler Jam, BirdEatsBug, Jam.dev (Jam dev) or Marker.
📌  Demo Video – https://www.youtube.com/watch?v=g_qXQAzUQgU

👉 Additional Features
→  Enable/Disable rules with a 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
📌  Demo -- https://www.youtube.com/watch?v=BM7kTFy-vdc

References
🏡 Website - [https://requestly.io](https://requestly.io/)
📖 Docs - [https://docs.requestly.io](https://docs.requestly.io/)
🥷 Github - https://github.com/requestly/requestly
▶️ YouTube- https://www.youtube.com/@requestly
💻 Desktop App -  https://requestly.io/desktop
📳 Issues - https://github.com/requestly/requestly/issues
🔓Privacy - https://requestly.io/privacy
🔓Terms & Conditions - https://requestly.io/terms

Mandatory disclosures:
Financial Transactions - This extension does offer subscription based in-product pricing plans which are handled by a secured third party payment provider Stripe.
While a majority of features are free to use but they come with certain limits with requires a premium subscription.
For additional information, please refer to our Terms & Conditions linked above.

User reviews

zhicai

Dec 30, 2022
Nice! Unblibeble
Details
Version 24.11.25Updated February 3, 2025Report abuse
Details
Version 24.11.25Updated February 3, 2025Report abuse