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Promote calendar events with OpenAI graphics to LinkedIn, X, and Facebook

Workflow preview

Promote calendar events with OpenAI graphics to LinkedIn, X, and Facebook preview
Open on n8n.io

Overview

Never let an event go unpromoted. This workflow monitors your Google Calendar, generates branded promotional graphics, and schedules a staggered social media countdown across LinkedIn, Twitter/X, and Facebook.


๐ŸŽฏ What This Workflow Does

This template automates the full lifecycle of event promotionโ€”from creation to multi-platform publishing.


๐Ÿ“… Step 1 โ€” Calendar Trigger & Intelligence

  • Instant Trigger: Fires when a new event is created in Google Calendar
  • Data Enrichment: Extracts title, location, and formatted date/time
  • Safety Gate: Skips events starting in less than 2 hours

๐Ÿ–ผ๏ธ Step 2 โ€” Programmatic Design & CDN Hosting

  • Dynamic Graphic Creation: Uses Edit Image node to overlay event details on a banner
  • CDN Hosting: Uploads the image via UploadToURL to generate a public URL
  • Schedule Calculation: Sets post timings at 48h, 24h, and 1h before the event

๐Ÿ” Step 3 โ€” Staggered Countdown & AI Copy

  • Loop Execution: Iterates through each scheduled post time
  • Smart Wait: Delays execution until the exact posting time
  • AI Captions: Generates time-based captions using OpenAI

๐Ÿ“Š Step 4 โ€” Audit Logging & Admin Alerts

  • Google Sheets Log: Stores platform status and image URLs for each post
  • Telegram Alerts: Sends a final campaign summary to the admin

โœจ Key Features

  • Automated Graphic Design: Creates visuals for every event
  • Persistent Wait Logic: Handles long delays within a single workflow
  • Multi-Platform Posting: Publishes to LinkedIn, Twitter/X, and Facebook
  • CDN Media Bridge: UploadToURL ensures valid public image URLs

๐Ÿ”ง Setup Requirements

Required Integrations

  • Google Calendar: OAuth2 credentials
  • Social Platforms: LinkedIn, Twitter/X, Facebook Page credentials
  • OpenAI: API key for captions
  • Google Sheets: Sheet for logging
  • UploadToURL: API key
  • Telegram: Bot token and chat ID

Required Assets

  • Public URL of your base banner template image

Automate your event marketing. Import this template and connect your Google Calendar to start promoting events effortlessly!