Download Free API Testing Tool
Download SchemaClient — Free API Tester
Free API testing tool for Windows, macOS, and Linux. Test REST APIs, tunnel localhost, monitor HTTP traffic, and validate schemas. No signup, no subscription, no limits.
System Requirements
Minimum
- • 4 GB RAM
- • 100 MB disk space
- • Internet connection (for tunneling & sync)
Supported Platforms
- • Windows 10 / 11 (x64)
- • macOS 12+ (ARM64, x64)
- • Linux (x64) — .deb, .AppImage, .rpm