



Chapar is described as 'Native API testing tool, supporting HTTP and gRPC protocols, workspaces, environments, request management, various content types, and dark mode' and is a API Client in the development category. There are more than 50 alternatives to Chapar for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best Chapar alternative is Bruno, which is both free and Open Source. Other great apps like Chapar are Postman, Insomnia REST Client, Yaak and Hoppscotch.




Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.




FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).




Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...



Yaade is the only open-source, fully self-hosted, collaborative API development environment.

GetAPI is a native macOS app that simplifies REST API testing by allowing users to import from Postman, make HTTP requests, and view responses in a streamlined interface.




Resonance is a local-first, zero-account API client application designed to provide an excellent user experience for testing and interacting with APIs. Built with Tauri, it offers a modern and intuitive interface for developers.

Pulse is an AI-powered automation testing tool which scans through your API documentation and generates hundreds of tests in a heartbeat.




EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.



