Track UTMs via Thank-You Page Webhook

UTM attribution overview Send full HandL UTM Grabber attribution from LatePoint Booking UTM Tracking Integration bookings to Zapier, Make, or your CRM using a custom confirmation page and webhook. Primary setup: UTM Tracking in LatePoint with HandL UTM Grabber Custom confirmation redirect Point your booking tool at a WordPress thank-you page after the appointment is confirmed. Include the customer email in the redirect URL when the tool supports it. Webhook script on thank-you page Use the merge script from Triggering Zapier on Thank you Page to combine URL parameters with handl_utm and send the full payload to your webhook. Verify the payload Book a test appointment from a page with ?utm_source=booking-test . Check that utm_source, gclid, and email (if passed) arrive in Zapier or Make.