WASI is a modular system interface for WebAssembly. As described in the initial announcement, it’s focused on security and portability.

WASI is being standardized in a subgroup of the WebAssembly CG. Discussions happen in GitHub issues, pull requests, and bi-weekly Zoom meetings.

For a quick intro to WASI, including getting started using it, see the intro document.

For more documentation, see the documents guide.