Pulse: The Lightweight
REST API Client
A free, lightweight desktop client for testing REST APIs on macOS, Windows and Linux. Import Postman collections and OpenAPI specs, organize requests, and inspect responses without creating an account.

Free forever • No signup required • Privacy focused
Why Developers Love Pulse
Built for developers who value simplicity, speed, and efficiency.
Lightning Fast
Loads instantly, uses minimal resources. No more waiting for heavy Electron apps.
Tiny Footprint
Extremely small download size compared to alternatives. Every byte counts for performance.
REST Focused
Specialized for REST APIs without unnecessary features you'll never use.
Tauri Powered
Built with Tauri and Rust, using your operating system’s webview for the interface.
Auto Updates
Seamless updates in the background. Always have the latest features.
OpenAPI Compatible
Import and export OpenAPI specs for seamless integration with your API workflow.
Postman Compatible
Import Postman collections to bring existing API requests into Pulse.
Coming Soon
Git sync and OpenAPI compatible documentation generation.
Download Pulse
Get Pulse for macOS (Intel or Apple Silicon), Windows, or Linux. Free for individual use, with automatic updates.
Questions about Pulse
What is Pulse?
Pulse is a lightweight desktop REST API client. Use it to organize API requests, send HTTP requests, and inspect responses while developing or testing an API.
Is Pulse free to use?
Pulse is free for individual use. You can download it and start testing APIs without creating an account.
Does Pulse work on macOS, Windows and Linux?
Yes. Pulse has downloads for all three platforms, including separate macOS builds for Intel and Apple Silicon. The macOS downloads are signed and notarized.
Can I import my Postman collections?
Yes. Pulse supports importing Postman collections, so you can bring existing API requests into the desktop client. It also supports OpenAPI import and export.
Is Pulse a lightweight alternative to Postman?
Pulse is an option for developers who want a desktop client focused on REST API testing. It combines request organization, collection imports, and automatic updates in a Tauri-based app.
Ready to experience lightweight REST testing?
Download Pulse for macOS, Windows or Linux and start testing your REST APIs.
Free forever for individual use • No account required • Privacy focused