The next-generation API testing platform. Free, open-source, and built for developers.
For Intel-based Macs (2020 and earlier)
For Apple Silicon Macs (M1, M2, M3, M4)
For Windows 10 and later (64-bit)
Windows and Linux builds are in development
For Ubuntu, Debian, and other distros
Windows and Linux builds are in development
How to install OpenTest on your system
xattr -cr /Applications/OpenTest.appOpenTest is code-signed but not App Store distributed. macOS requires this one-time security step. After this, the app opens normally! Your data is completely safe.