Enterprise Conversations.Engineered for the Cloud.

// Handle incoming WhatsApp payload
app.post('/webhook', (req, res) => {
  const signature = req.headers['x-hub-signature-256'];
  
  // Validate SHA256 signature
  if (!validateSignature(signature, req.body)) {
    return res.status(401).send('Invalid');
  }

  const { entry } = req.body;
  const message = entry[0].changes[0].value.messages[0];
  
  // Route by message type
  switch (message.type) {
    case 'text':
      handleTextInquiry(message.text.body);
      break;
    case 'interactive':
      handleButtonResponse(message.interactive);
      break;
    case 'location':
      findNearestService(message.location);
      break;
  }
  
  res.status(200).send('OK');
});