REST API Tester

REST API Tester is a professional developer tool included in DevKitHub. Test REST API endpoints with support for different HTTP methods, headers, and request bodies. It runs entirely on your desktop with zero tracking and no internet required.

Yes. REST API Tester is included in DevKitHub — once installed, it works offline forever with all features unlocked. No subscription needed.

Never. DevKitHub processes everything locally. Your input never leaves your machine — no servers, no telemetry, no analytics. Perfect for sensitive data.

Unlike web tools, REST API Tester in DevKitHub: works offline, never uploads data, has no ads, runs instantly, handles large inputs without timeouts, and integrates with your local workflow.

Windows 10+, macOS 12+, and Linux (Ubuntu 20.04+, Fedora 36+). Built with Electron, optimized for each platform.

Absolutely. Each team member installs locally, ensuring consistent tooling without sharing sensitive data through cloud services.

Download DevKitHub, install it, and open REST API Tester from the sidebar. Enter the API URL — it's that simple.

Yes. Standard shortcuts (Ctrl+C/V) plus tool-specific ones. DevKitHub also supports global shortcuts to open any tool instantly.