Flux
Flux is a native desktop API client for Windows, macOS, and Linux supporting HTTP, WebSocket, SSE, and gRPC with native mocking and load testing.
Open productWhat it does
About Flux
Flux is a desktop API client designed for speed and simplicity. Built as a native binary with Tauri and Rust, it runs natively on Windows, macOS, and Linux without Electron web runtime overhead. The application unifies HTTP, WebSocket, Server-Sent Events, and gRPC protocols into a single desktop interface. Flux provides built-in load testing and local mock server functionality without requiring third-party tools, Docker containers, or configuration files. Data is stored locally by default, while cloud synchronization remains strictly opt-in using the user's own Supabase project.
- Availability:
- beta
- Access:
- freemium
- Format:
- software
- Platform:
- windows
- Platform:
- macos
- Platform:
- linux
Pricing at launch: Offers a free tier during beta providing 100 AI actions per month (up to 20 per day) without requiring an API key or setup.
Core capabilities
Native Load Testing & Local Mocking
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