How to Build a Lead Qualification Chatbot
A practical architecture for a fast AI sales assistant that qualifies leads, captures project context, and routes serious buyers to WhatsApp.
What is a lead qualification chatbot?
A lead qualification chatbot is an AI assistant that asks focused questions, extracts buyer intent, and prepares a clean brief before a human takes over. The goal is not to replace sales. The goal is to make every conversation more useful.
For my portfolio, I built a hosted example: Sales Chatbot Demo.
The useful version
A lead qualification chatbot should collect:
- Service type
- Business goal
- Current website or workflow
- Timeline
- Budget range
- Preferred contact path
- Urgency level
The assistant should ask one question at a time. Long forms feel heavy; a short chat feels natural.
Stack
- Next.js for the hosted demo
- Production chat completions API
- Firebase for event tracking
- Microsoft Clarity for session behavior
- WhatsApp as the final conversion path
Why speed matters
Response speed matters. A slow assistant feels broken even when the answer is good. Fast responses make the demo feel closer to a real product.
What to track
For a real business chatbot, track:
- Chat started
- Starter prompt clicked
- Message count
- Service type mentioned
- WhatsApp CTA clicked
- Lead form submitted
- UTM source and campaign
See the live demo
Try the hosted demo here: Sales Chatbot Demo.
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