Webhooks

const response = await axios.post('https://snip.sa/api/webhooks', {
  url: 'https://your-server.com/webhook',
  events: ['url.clicked', 'url.created'],
  secret: 'your_webhook_secret'
}, {
  headers: {
    'Content-Type': 'application/json',
    'X-API-Key': 'your_api_key_here'
  }
});

{
  "event": "url.clicked",
  "timestamp": "2024-01-15T10:30:00.000Z",
  "data": {
    "urlId": "507f1f77bcf86cd799439011",
    "shortCode": "abc123",
    "originalUrl": "https://example.com/page",
    "click": {
      "country": "US",
      "city": "New York",
      "device": "mobile",
      "browser": "Chrome",
      "os": "iOS",
      "referrer": "google.com"
    }
  }
}

const crypto = require('crypto');

function verifyWebhook(payload, signature, secret) {
  const hmac = crypto.createHmac('sha256', secret);
  const digest = hmac.update(JSON.stringify(payload)).digest('hex');
  return crypto.timingSafeEqual(
    Buffer.from(signature),
    Buffer.from(digest)
  );
}

// Express.js example
app.post('/webhook', (req, res) => {
  const signature = req.headers['x-snip-signature'];
  const isValid = verifyWebhook(req.body, signature, 'your_webhook_secret');
  
  if (!isValid) {
    return res.status(401).send('Invalid signature');
  }
  
  // Process webhook
  console.log('Event:', req.body.event);
  res.status(200).send('OK');
});