Product page

Submit the form to write the same keys into HubSpot.

The submit handler creates or updates a HubSpot Contact as the canonical lead record for this demo, then creates or updates a won Purchase deal with the same GF_*, UTM fields, and YCLID.

Deal payload

Demo amount 100000
GF_LEAD_ID generated on submit

Deterministic lead form

The request goes to a Vercel function on this same domain.

Keys that will be sent

GF_CLIENT_ID -
GF_SESSION_ID -
UTM_SOURCE -
UTM_MEDIUM -
UTM_CAMPAIGN -
YCLID -