Book and confirm clinic appointments with WhatsApp, Google Calendar, and Gmail

Description

Quick overview Automate clinic appointment booking end to end. Patients submit a request via webhook, the workflow generates a unique Booking ID, routes online consultations to Google Meet and offline ones to the clinic address, then notifies both patient and doctor via Gmail and WhatsApp. How it works A patient submits a booking request via webhook containing name, email, phone, date, time, and consultation type — online or offline. The workflow extracts all fields and generates a unique Booking ID in the format CLN-YYYYMMDD-XXXXXX for tracking. The consultation type is checked — if online, a Google Meet link is generated and attached to the calendar event. If offline, the clinic physical address is used instead of a meeting link. A confirmed appointment is created in the doctor Google Calendar with full patient details attached. The patient receives a confirmation email via Gmail and a WhatsApp message via Twilio with the Booking ID and appointment details. The doctor receives a full appointment notification via Gmail, then 24 hours before the appointment the patient is automatically sent a reminder via email and WhatsApp. Setup Connect your Google Calendar credential in n8n and replace YOUR_DOCTOR_CALENDAR_ID with your Calendar ID found in Google Calendar Settings. Connect your Gmail credential in n8n — used for patient confirmation, doctor notification, and reminder emails. Sign up at twilio.com, enable WhatsApp Sandbox, connect the Twilio credential in n8n, and replace YOUR_TWILIO_WHATSAPP_NUMBER with your sandbox number in format whatsapp:+14155238886. Replace YOUR_DOCTOR_EMAIL in the Notify Doctor via Email node with the doctor actual email address. Replace YOUR_CLINIC_ADDRESS in the Create Offline Calendar Event and Store Offline Event Data nodes with your clinic physical address. Test the workflow by sending a POST request to the webhook URL with this body: name, email, phone, date, time, and consultation_type set to online or offline. Requirements Google Calendar account connected via OAuth2 Gmail account connected via OAuth2 Twilio account with WhatsApp Sandbox enabled — free tier available at twilio.com Publicly accessible webhook URL — activate the workflow before testing Customization Add multiple doctors by routing to different Google Calendars based on specialization using an additional IF node Add a Stripe payment node before calendar booking to collect consultation fees upfront Add a Google Sheets node after doctor notification to maintain a full patient booking log Replace Gmail with SendGrid via HTTP Request node for branded transactional emails Extend the reminder to also send 1 hour before the appointment for online consultations by adding a second Wait node. An n8n automation workflow template by Muhammad Adeel.

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