Automate appointment phone reminders with Google Calendar and Retell AI

Appointment Reminder Agent automates phone call reminders for upcoming appointments by seamlessly connecting Google Calendar with Retell AI. This powerful workflow is designed to help businesses, clinics, and service providers ensure clients never miss their scheduled appointments—reducing no-shows and increasing efficiency.

Use Cases Healthcare practitioners reminding patients of upcoming visits

Salons, spas, and beauty services confirming bookings

Consultants, therapists, and coaches sending appointment reminders

Any service-based business wanting to reduce missed appointments

Workflow Overview Trigger – A scheduler node runs every day at 9 AM (configurable) to start the workflow.

Fetch Events – Pulls all events scheduled in the next 12 hours from Google Calendar.

Extract Details – A Code node parses each event’s description for: