Turn WhatsApp Into a 24/7 AI Sales Machine (With Code)

#whatsapp #ai #automation #saas

Your business gets WhatsApp messages at 3am. Nobody answers. Lead lost.

I built a bot that handles this automatically — qualifies leads, answers questions, and sends payment links. Here is the architecture.

The Stack

Baileys (WhatsApp Web protocol, no Meta API needed)
Claude API for intelligent responses
SQLite for CRM (contacts, lead scores, conversation history)
Zero external dependencies. Runs on a $5 VPS.

How It Works

// Message comes in
sock.ev.on("messages.upsert", async ({ messages }) => {
  const msg = messages[0];
  const text = msg.message?.conversation || "";
  const from = msg.key.remoteJid;

  // Track in CRM
  crm.trackContact(from, text);

  // AI generates response with context
  const history = crm.getHistory(from, 20);
  const response = await claude.chat({
    system: salesPrompt,
    messages: history
  });

  // Send reply
  await sock.sendMessage(from, { text: response });

  // Auto-detect buying intent
  if (response.includes("payment")) {
    crm.updateStage(from, "closing");
  }
});

Built-in CRM

Every contact gets:

Lead score (0-100) based on buying signals
Sales stage: new → interested → qualified → closing → converted
Tags: auto-applied (lead, hot-lead, customer)
Full conversation history for AI context

CREATE TABLE contacts (
  phone TEXT PRIMARY KEY,
  name TEXT,
  lead_score INTEGER DEFAULT 0,
  stage TEXT DEFAULT "new",
  tags TEXT DEFAULT "",
  messages_count INTEGER DEFAULT 0,
  first_seen INTEGER,
  last_seen INTEGER
);

Sales Automation

The AI handles the full funnel:

Greeting — warm, asks about needs
Qualification — understands budget/timeline
Objection handling — addresses concerns naturally
Closing — sends payment link at the right moment
Follow-up — checks in after 24h silence

Not pushy. Not robotic. It builds genuine trust.

Deploy in 5 Minutes

npm install
cp .env.example .env  # add your Claude API key
npm start             # scan QR code, done

Or Docker:

docker compose up -d

Get the Full Template

14 files, 1450 lines of production code. CRM, sales automation, multi-language, Docker deployment.

WhatsApp AI Bot Template — $79.99

Also available:

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