Automated Social Sales Funnel Integration

I need an end-to-end sales funnel that runs seamlessly across Facebook, Instagram, and WhatsApp, all driven by an n8n-based chatbot. The goal is straightforward: full automation—every lead or message that enters any of these Meta channels should flow through n8n, trigger the correct chatbot sequence, qualify the prospect, and hand off to my CRM (or a webhook) without manual intervention.

Here is what I expect once the project is complete:
• A working n8n workflow that connects to Facebook Messenger, Instagram Direct, and the WhatsApp Cloud API, including any required webhooks or Graph API credentials.
• A conversational chatbot built inside n8n that can greet users, capture key data points, branch logic based on responses, and push collected information to my existing CRM or Google Sheets.
• Funnel logic that can be reused for campaigns—welcome message, product inquiry flow, checkout or call-booking handoff, and a fallback for unanswered questions.
• Clear, written hand-over notes explaining how to edit messages, update triggers, and add future campaign nodes.

Everything should be tested live on each platform so I can see a contact move from initial message through qualification and into the Zoho CRM in real time.