{"product_id":"telegram-to-google-calendar-appointments-gemini-reminders","title":"Telegram to Google Calendar Appointments (Gemini) + Reminders","description":"\u003ch3\u003eTelegram messages automatically become Google Calendar appointments—with 24-hour \u0026amp; 1-hour reminders\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow turns incoming \u003cstrong\u003eTelegram\u003c\/strong\u003e messages into \u003cstrong\u003eGoogle Calendar\u003c\/strong\u003e events using a \u003cstrong\u003eGoogle Gemini\u003c\/strong\u003e AI agent, logs bookings in \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e, and sends \u003cstrong\u003eTelegram reminders\u003c\/strong\u003e exactly 24 hours and 1 hour before—without duplicate sends.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eListens for new Telegram messages\u003c\/strong\u003e and extracts the chat ID and message text.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUses a Google Gemini AI agent\u003c\/strong\u003e to parse the message into structured appointment details: \u003cem\u003etitle, start\/end time, location, and notes\u003c\/em\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValidates and completes details\u003c\/strong\u003e: if an end time is missing, it defaults to \u003cstrong\u003e60 minutes\u003c\/strong\u003e. If the date\/time is missing or ambiguous, it asks the user on Telegram for clarification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCreates the appointment\u003c\/strong\u003e in \u003cstrong\u003eGoogle Calendar\u003c\/strong\u003e once the required details are available.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogs the booking\u003c\/strong\u003e to a Google Sheets \u003cstrong\u003e“Appointments”\u003c\/strong\u003e sheet, including the event ID and chat ID, and sends a confirmation back to Telegram.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRuns every 15 minutes\u003c\/strong\u003e to review upcoming events within the next \u003cstrong\u003e25 hours\u003c\/strong\u003e and targets reminders roughly \u003cstrong\u003e24 hours\u003c\/strong\u003e and \u003cstrong\u003e1 hour\u003c\/strong\u003e away.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSends Telegram reminders\u003c\/strong\u003e and records each send in a Google Sheets \u003cstrong\u003e“ReminderLog”\u003c\/strong\u003e to prevent duplicates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConvert client messages in Telegram into scheduled consultations automatically.\u003c\/li\u003e\n  \u003cli\u003eCollect appointment requests via Telegram and confirm bookings in Google Calendar.\u003c\/li\u003e\n  \u003cli\u003eReduce no-shows with automated 24-hour and 1-hour reminder messages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003en8n nodes\/steps include: \u003cstrong\u003eTelegram\u003c\/strong\u003e, \u003cstrong\u003eGoogle Gemini\u003c\/strong\u003e, \u003cstrong\u003eGoogle Calendar\u003c\/strong\u003e, \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e, \u003cstrong\u003eif\u003c\/strong\u003e, \u003cstrong\u003ecode\u003c\/strong\u003e, and a \u003cstrong\u003esticky note\u003c\/strong\u003e for workflow guidance.\u003c\/li\u003e\n  \u003cli\u003eAuthentication: \u003cstrong\u003eGoogle OAuth2\u003c\/strong\u003e for Google Calendar and Google Sheets; Telegram bot credentials for message trigger.\u003c\/li\u003e\n  \u003cli\u003eUses Google Sheets “Appointments” and “ReminderLog” to store event metadata and deduplicate reminders.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45837414006963,"sku":"N8N-18285","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/I3-iw-MirLPBBiD11AEOK_b820Wgpp.png?v=1786793992","url":"https:\/\/buyflowscripts.com\/products\/telegram-to-google-calendar-appointments-gemini-reminders","provider":"N8N Commerce","version":"1.0","type":"link"}