A complete, production-ready WhatsApp marketing automation engine. Built with n8n, Google Sheets, and WhatsApp Cloud API. Includes smart lead segmentation, 30-day automated follow-ups, intent detection, and real-time alerts. 100% open-source and self-hosted.
GitHub - adriansanthosh77-dev/Whatsapp-marketing-automation: ๐ A complete, production-ready WhatsApp marketing automation engine. Built with n8n, Google Sheets, and WhatsApp Cloud API. Includes smart lead segmentation, 30-day automated follow-ups, intent detection, and real-time alerts. 100% open-source and self-hosted.
๐ฑ WhatsApp Marketing Automation System

License: MIT
n8n
Google Sheets
WhatsApp Business
Transform your WhatsApp outreach with a professional-grade, self-hosted automation engine.ย This project provides a robust, low-cost alternative to expensive CRM solutions by leveraging n8n, Google Sheets, and the WhatsApp Business API.
๐ Why This System?
- ๐ฐ Zero Monthly Subscriptions: Use 100% open-source and free-tier tools. No $99/mo CRM bills.
- ๐ High Volume Scaling: Safely send up to 10,000 messages/day with built-in rate limiting and safety checks.
- ๐ฏ Intelligent Segmentation: Automatically categorize leads into 5 segments (Hot, Warm, Cold, etc.) based on interaction.
- ๐ค Intent Detection: Rule-based logic to detect lead interest without expensive AI API costs.
- โ๏ธ Set & Forget: 30-day automated follow-up sequences to keep your pipeline moving while you sleep.
๐๏ธ System Architecture
๐ Core Features