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n8nGeminiFacebookMessengerWebhooks

Facebook Page AI Agent

AI-powered customer support agent for Facebook Pages that answers inquiries, filters duplicate messages, and responds using your knowledge base.

Facebook Page AI Agent workflow screenshot

The Problem

Managing customer inquiries on a Facebook Page manually meant slow response times, missed messages during off-hours, and repetitive answers to the same questions.

The Solution

Built an n8n agent connected to Facebook Messenger via webhooks. It filters duplicate messages to avoid double replies, queries a Page Knowledge Base for accurate information, and uses Google Gemini to generate natural, context-aware responses. The agent maintains conversation memory so interactions feel continuous rather than robotic.

Key Outcomes

  • Instant responses to customer inquiries 24/7
  • Duplicate message filtering prevents spam replies
  • Knowledge base integration ensures accurate answers
  • Conversation memory for natural, contextual replies

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