Requestly - Free API Testing & Mocking Tool

Simple to use, great UI/UX, does the job

We have been using Requestly for HTTP Rules and Network inspector capabilities, which works great. We recently migrated from Postman to API Clients capability of Requestly. # Seamless migration for our 100+ postman collections / environments in single click. # Great support and diligence from team in building required features and incorporating feedback.

I’ve found Requestly to be an invaluable Chrome extension for development. It allows me to mock APIs, intercept requests, and test frontend changes even when the backend isn’t ready. The ability to modify headers, simulate delays, and inject scripts has made debugging and collaborating so much easier

Absolutely love the API Client feature! It’s like Postman, but better integrated into my daily workflow. Modifying API responses directly from the same tool I use for debugging is such a time-saver. Great job, Requestly team, for constantly innovating!

Super useful! Really like the new API Client feature, which kinda replaces Postman and Hoppscotch for me since I can easily do API testing as well as modify API responses.

My absolute favorite web debugging proxy and API client. I use it nearly every day for work to modify HTTP requests, test and mock API calls, inject JS snippets into sites, etc. The Requestly team is incredible — I once submitted a bug report and it was closed out within an hour. Also just kind, passionate people. I can't recommend Requestly enough.

The best solution for android phones and tablets.

I’ve been a regular user for request modifications, but I recently tried their new API client and I’m genuinely impressed! Quickly imported my existing Postman collections, synced the environment variables, transitioning was incredibly smooth. I don't need to keep two apps now.

A productivity booster for development and QA phases. The team is continuously introducing features and improvements, also listening to feedbacks. Really a game changer for development teams.

Super useful tool to mock our HTTP requests, it helped me to increase my development speed x3, it has become a must in my list of tools. Also the team is always super willing to help, accepting our feedback and implementing our suggestions, making our job easier! Good job!