Cal.com Webhook Notifications
Instant booking alerts — know the moment someone books, cancels, or reschedules on Cal.com.
Supported Events
New Booking
John Doe just booked Jan 15 at 2:00 PM
Booking Cancelled
Jane Smith cancelled their Jan 16 booking
Booking Rescheduled
John Doe rescheduled to Jan 17 at 3:00 PM
How It Works
Cal.com sends webhook events whenever a booking is created, cancelled, rescheduled, or marked as no-show. Hook Bell extracts the attendee name, meeting date and time, event type, and cancellation reason to deliver booking updates you can act on instantly.
All Supported Event Types
BOOKING_CREATEDBOOKING_CANCELLEDBOOKING_RESCHEDULEDBOOKING_REQUESTEDBOOKING_REJECTEDBOOKING_NO_SHOWMEETING_ENDEDRECORDING_READYSet Up in 3 Steps
- 1
Create a connection for Cal.com in your Hook Bell dashboard and copy the webhook URL.
- 2
In Cal.com, go to Settings → Developer → Webhooks and add the Hook Bell URL. Select booking events to subscribe to.
- 3
Paste the webhook URL and save. You'll get a push notification for every booking event.
Frequently Asked Questions
Which Cal.com events are supported?
Hook Bell supports BOOKING_CREATED, BOOKING_CANCELLED, BOOKING_RESCHEDULED, and other Cal.com webhook events with rich notification details.
Will I see booking details in the notification?
Yes — each notification includes the attendee name, date, time, and event type so you know exactly what happened without opening the app.
Can I use this with Cal.com Teams?
Yes — Cal.com Teams supports webhooks the same way. Add your Hook Bell URL in the team-level webhook settings.
Start getting Cal.com notifications
Set up in under 2 minutes. Free plan includes 1 connection and 100 events per month.
Read the full guide →Get Started Free
