Fingerprint — Smart Signals (v4 Server API)

Maps to the dashboard "Access detailed insights about a visitor" Get Started step. Once your backend fetches an event server-side, the same getEvent(eventId) response carries 100+ signals. This skill is about acting on the full set, not just confidence. All of these are server-verified — never trust client-reported equivalents.

Prerequisite

A working server-side flow (in whatever backend you run) that already calls getEvent(eventId) with your FINGERPRINT_SECRET_API_KEY.

Signals (flat v4 event shape)

Each Smart Signal is a top-level field on the event. The web-relevant set: