BookingCal.com Integration — Email, SMS & WhatsApp
The Cal.com integration turns every booking into a contact and an event in Climails, so appointments trigger reminders, no-show recovery and post-visit follow-up automatically.
Visit websiteWhat the Cal.com integration does
The Cal.com integration turns every booking into a contact and an event in Climails, so appointments trigger reminders, no-show recovery and post-visit follow-up automatically.
- Bookings as contacts with details
- Scheduled, rescheduled and cancelled events
- Appointment time and service
- Real-time booking updates
What you can do with Cal.com data
- Appointment reminders that cut no-shows
- Post-visit review and rebooking prompts
- Recover cancellations
- Segment by service or frequency
How to connect Cal.com
Cal.com connects by sending events to a secure Climails webhook URL that's unique to your account — every payload is signature-verified.
- 1
In Climails, add Cal.com and copy your unique webhook URL.
- 2
In Cal.com, create a webhook pointing to that URL.
- 3
Choose which events to send.
- 4
Save — events flow into Climails in real time.
Put Cal.com data to work
Once Cal.com data is in Climails it's just contacts and events — usable everywhere. Build segments from it, trigger flows on it, and personalize any message with it, across every channel from a single automation.
- Build segments from Cal.com data
- Trigger email, SMS, WhatsApp, Telegram and push flows on Cal.com events
- Personalize messages with Cal.com fields
- One unified profile per customer across channels
Frequently asked questions
Is the Cal.com integration free?
Yes. It's available on every plan, including the free tier — you pay for your Climails sending, not per integration.
How long does it take to connect Cal.com?
A few minutes. Most connections are a couple of clicks or pasting a key — no developer needed.
Is my Cal.com data secure?
Yes. Credentials are stored encrypted, webhook payloads are signature-verified, and we only read the data needed to sync contacts and events.
Can I sync Cal.com in real time?
Yes. Native connectors sync on a schedule and webhooks deliver events in real time, so flows can fire the moment something happens in Cal.com.
Do I need to use every channel?
No. Cal.com data works with whichever channels you use — start with email and add SMS, WhatsApp, Telegram or push whenever you're ready.
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