Automated Facebook Messenger Support Workflow (n8n)

Provide intelligent, 24/7 customer support on Facebook Messenger with AI-driven responses and seamless escalation to human agents.

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Who This Is For

This workflow is ideal for:

• E-commerce stores handling frequent customer inquiries
• Service providers who need instant responses to messages
• Customer support teams and Facebook Page administrators
• Organizations seeking automated support in English and Bengali

It’s perfect for businesses that want to automate Messenger responses while retaining human oversight for complex queries.

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What This Workflow Does

• Classifies incoming messages to determine if AI can respond or if human intervention is needed
• Processes attachments (images, documents, etc.) intelligently
• Generates context-aware responses using OpenAI
• Maintains conversation memory for natural follow-ups
• Escalates conversations to human admins when necessary
• References external Google Docs for accurate responses

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Key Features

• Multi-language Support – English and Bengali
• Message Classification – AI decides if escalation is needed
• Attachment Handling – Images, docs, and files supported
• AI-Powered Responses – Intelligent and context-aware
• Admin Escalation – Seamless handoff to humans
• Memory Management – Tracks conversation context
• Document Integration – Google Docs lookup
• Webhook Verification – Facebook-compliant

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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 escalations

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Workflow Components

1. Webhook Setup

• Webhook – Receives incoming Messenger messages
• If3 – Verifies webhook subscription
• Respond to Webhook – Completes Facebook verification

2. Message Processing

• If – Determines if the message is text or attachment
• Classify Text – AI classifies message for escalation
• AI Agent1 – Identifies attachment types

3. AI Response Generation

• AI Agent – Generates response for user
• OpenAI Chat – Powers language understanding
• Think – Matches user tone and language
• Memory – Maintains session context
• HTTP – Fetches external data
• Google Docs – Provides documentation references

4. Escalation Logic

• If2 – Checks if message needs human attention
• Edit Fields1 – Prepares escalation message
• Wait3 – Adds delay to avoid flooding

5. Message Delivery

• Admin Message – Notifies admin of escalation
• User Message – Confirms user message forwarded
• Admin Message1 – Sends attachment notifications
• User Reply Message – Sends AI-generated replies

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Notes

• Custom session key used for conversation memory
• Update Admin ID to your Facebook user ID
• Responds in English and Bengali
• Webhook verification uses verify token = "admin"
• Workflow includes delays to prevent API rate limits

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Ideal Use Cases

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

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Support & Help

• WhatsApp: Chat on WhatsApp
• Discord: SpaGreen Community
• Facebook Group: SpaGreen Support
• Website: https://spagreen.net
• Developer Portfolio: Codecanyon SpaGreen