Cut No-Shows With Automated SMS Reminders for Cal.com Bookings
A day before each Cal.com appointment, this sends the client a friendly SMS reminder with the time and a reschedule link — quietly reducing no-shows and protecting your calendar.
- 1
Step 1 — Find tomorrow's bookings
Add a
Schedule Trigger(daily) then aCal.comnode to list appointments starting in the next 24 hours. - 2
Step 2 — Prepare the message
Add a
Setnode building a warm reminder with the client's name, the time, and a reschedule link. - 3
Step 3 — Send via SMS
Add a
Twilionode. SetOperationtoSend SMS, enter the destination number, and build the text from the reminder text. Add your Twilio SID + auth token.
Frequently asked questions
Can I send two reminders?
Yes — run the schedule at both 24h and 2h windows, or add a second branch. One day-before and one hour-before is the sweet spot.
What about timezones?
Use the booking's stored timezone when formatting the time in Step 2 so clients always see their local time.
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