AI sales agent: WhatsApp, FB, IG, OpenAI, Airtable, Supabase auto-booking

This workflow automates multi-channel AI-driven sales engagement for lead qualification, service information delivery, and consultation booking. It integrates WhatsApp, Facebook Messenger, Instagram DM, and an n8n chat interface with a backend CRM (Airtable), a knowledge base (Supabase), and conversational AI (OpenAI), all orchestrated by n8n.

Tools & Services Used

Messaging Platforms: WhatsApp, Facebook Messenger, Instagram DM, n8n Built-in Chat

AI Core & Processing: OpenAI (GPT-4o for main agent logic, Whisper for audio transcription)

CRM & Data Management: Airtable (for initial WhatsApp lead lookup, lead form submissions, and as the backend for the crmAgent sub-workflow operations)

Knowledge Base: Supabase (Vector Store for technicalandsalesknowledge tool)

Chat Memory: PostgreSQL (for the main AI Agent's conversation history)

Orchestration & Automation: n8n (Self-hosted, utilizing Langchain community nodes)