Automated Facebook Messenger Chatbot with AI & Admin Escalation

Who Is This For?

Businesses, support teams, and page admins who want intelligent, automated Messenger responses with escalation to human agents when needed. Ideal for e-commerce stores and service providers.

What This Workflow Does

This n8n workflow processes incoming Facebook Messenger messages, classifies them, handles attachments, generates AI-powered responses in English or Bengali, and escalates to human admins if required.

Key Features

• Multi-language support: English & Bengali
• Message classification for human escalation
• Attachment detection and processing
• AI-generated, context-aware responses using OpenAI
• Seamless admin escalation for complex messages
• Conversation memory management for natural interactions
• Document integration via Google Docs
• Webhook verification for Facebook integration

Requirements

• Facebook Page with Messenger enabled
• Facebook Graph API credentials
• OpenAI API credentials
• Google Docs API credentials (optional)
• n8n instance (self-hosted or cloud)
• Admin Facebook user ID for escalation

Workflow Components

Webhook Setup

• Webhook node for incoming messages
• If3 node: Verifies webhook subscription requests
• Respond to Webhook: Completes verification

Message Processing

• If node: Checks if message has text or attachments
• Classify Text: Determines need for human intervention
• AI Agent1: Identifies attachment types

AI Response Generation

• AI Agent & OpenAI Chat: Generates intelligent responses
• Think node: Matches response to language and tone
• Memory node: Maintains conversation context
• HTTP & Google Docs: Reference external data if needed

Escalation Logic

• If2: Determines if escalation is required
• Edit Fields1: Prepares data for admin messages
• Wait3: Adds delay before sending messages

Message Delivery

• Admin Message: Notifies admin of escalated conversation
• User Message: Confirms message forwarded to admin
• Admin Message1: Notifies admin about attachments
• User Replay Message: Sends AI-generated replies to users

Notes

• Custom session key used for memory management
• Admin ID must match your Facebook user ID
• Configured to respond in English and Bengali
• Webhook verification requires a verify token
• Delays included to prevent API rate limiting

Ideal Use Cases

• Customer service automation for e-commerce stores
• Lead qualification and initial responses
• After-hours support
• Information dissemination for organizations
• Appointment scheduling and basic inquiries
• Product information and recommendations

Support & Help

• WhatsApp Support
• Discord Community
• Facebook Group
• Website
• Developer Portfolio