Build a 24/7 Facebook Messenger AI Chatbot With n8n (Full Setup — No Code)

What this builds A Facebook Messenger chatbot that responds to every incoming message automatically, 24/7, using an AI agent connected to your Facebook Business Page via n8n. Customers message your page — they receive an intelligent, context-aware reply within 30 seconds, whether you are online or not. Workflow JSON download: Available on the blog Architecture `Facebook Messenger message received ↓ n8n Webhook (GET + POST — allow multiple HTTP methods) ↓ IF node — hub.mode = "subscribe" AND hub.