generated: '2026-07-20' method: searched source: https://docs.preauth.io/widget.md notes: >- Preauth ships one first-party client library: a hosted browser JS SDK loaded from their CDN (cdn.preauth.io/preauth.js) that renders the card pre-authorization widget. No packages were found on npm, PyPI, Maven Central, NuGet, pkg.go.dev, RubyGems, Packagist, or crates.io as of this pass. packages: - language: javascript registry: cdn name: preauth.js url: https://cdn.preauth.io/preauth.js install: '' official: true description: >- Hosted browser SDK that mounts the Preauth widget (preauth("init", ...) / preauth("start")) to capture card details and perform the pre-authorization.