Automate WhatsApp AI CRM with Whapi & Ollama – No Cloud LLM

Transform your WhatsApp into an intelligent AI-powered CRM that responds to customers automatically using your own local AI model—no expensive cloud AI costs, no data privacy concerns, and complete conversation memory across all customer interactions.

What this workflow does

This n8n automation creates a complete WhatsApp AI CRM system using Whapi.cloud and Ollama for 100% local AI processing. When customers message your WhatsApp number, the workflow automatically generates contextual replies while maintaining full conversation history and lead capture capabilities.

• Receives inbound WhatsApp messages through Whapi.cloud webhook integration
• Extracts customer phone numbers, names, and message content while filtering non-text messages
• Retrieves complete conversation history from Google Sheets for AI context
• Generates intelligent responses using local Ollama AI model (default: gemma3:1b)
• Logs all conversations and AI replies to Google Sheets for permanent records
• Automatically captures and updates lead information in dedicated tracking sheet
• Sends AI-generated replies back to customers via Whapi HTTP API

Use cases

Perfect for businesses wanting intelligent WhatsApp automation without cloud AI dependencies. Handle customer inquiries 24/7, qualify leads automatically, provide instant support responses, and maintain detailed conversation logs for sales teams. Ideal for SaaS companies, e-commerce stores, service providers, and consultants who need professional WhatsApp automation with complete data control.

Technical details

Built with essential n8n nodes including Webhook for message receipt, Code nodes for data processing and prompt building, IF node for message filtering, Google Sheets integration for conversation history and lead management, LangChain LLM Chain node for Ollama AI processing, and HTTP Request node for sending replies via Whapi.cloud.

Requires Whapi.cloud account setup, Google Sheets with History and Leads tabs configured, and local Ollama installation. Complete setup instructions included for seamless deployment of your private WhatsApp AI CRM system.