Send WhatsApp appointment reminders from Google Calendar with MoltFlow

Description

What this template does

Automatically sends WhatsApp reminders for upcoming appointments from your Google Calendar using MoltFlow (https://molt.waiflow.app). Perfect for clinics, salons, consultants, and any appointment-based business.

How it works

Runs every hour and checks your Google Calendar for the next 24 hours
Finds appointments with client phone numbers in the event description
Extracts client name and appointment details
Sends a personalized WhatsApp reminder asking for confirmation
Logs the results for tracking

Set up steps

Create a MoltFlow account (https://molt.waiflow.app) and connect your WhatsApp number
Generate an API key in MoltFlow (Sessions page, API Keys tab)
Connect your Google Calendar OAuth2 credential
Set your calendar ID (default: primary)
Set YOUR_SESSION_ID in the Format Reminders code node
Add your MoltFlow API key as an HTTP Header Auth credential (Header Name: X-API-Key)
Add client phone numbers to calendar event descriptions in the format: Phone: 1234567890

Prerequisites

MoltFlow account with an active WhatsApp session
Google Calendar with client phone numbers in event descriptions
Format: add "Phone: 1234567890" to the event description field