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Sparrow is now lighter, faster, smarter, and AI-powered. From natural language API calls to self-hosting, it’s a complete package of modern API testing. Built for speed, clarity, and control—no clutter, just flow. Experience the new Sparrow.
SparrowThe lightest and fastest platform for API testing
Md Asif Razaleft a comment
The blazing-fast startup time (under 1 second?!) paired with deep features like real-time Swagger sync, mock servers, and AI-assisted debugging makes this feel like the API tool we’ve actually been waiting for. Also love the flexibility—REST, GraphQL, WebSockets, and even Socket.IO, all in one place. And the fact that you can self-host or use Sparrow Edge without login is a huge plus for both...
SparrowThe lightest and fastest platform for API testing
Md Asif Razaleft a comment
The wait is over here, sparrow is officially launched. that is build by developers for developers to ease in the API testing journey. Want to join our open-source journey - lets start with your first pull request in our official github repositories. Our tech team is always ready to help.
SparrowThe Open Source API Testing Tool For All Developers
Sparrow is a powerful API dev tool designed to simplify API testing and documentation. With features like powerful AI assistant, Automated API test flows and seamless document generation, it streamlines your dev workflow and enhances your team productivity.
SparrowThe Open Source API Testing Tool For All Developers