I just built the world’s most relentless AI Lead Follow-Up Machine using n8n, WhatsApp Business API, Twilio, and Claude.

This thing never sleeps and never lets a single lead go cold.

Here’s what it does automatically:

Instantly messages every new lead on WhatsApp the second they fill out your form, DM you, or land in your CRM

If they don’t reply within 30 minutes → it follows up with a personalized SMS

Still no answer? It keeps pinging them (politely) every 24–48 hours with fresh angles until they respond or explicitly say stop

It already knows their name, where they came from, what they were looking at, previous messages, everything

Every single reply (or lack of reply) gets logged back into your Google Sheets or CRM with full conversation transcript, timestamps, delivery status, and even the exact cost per message

Leads literally get hunted down across WhatsApp and SMS by an AI that sounds 100% human, remembers everything, and works 24/7 without ever getting tired or needy.

Cold leads? Forgotten leads? They no longer exist in my world.

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