{
  "id": "evt_8923...",
  "type": "EMAIL_DELIVERED",
  "timestamp": "2024-01-01T12:00:00Z",
  "payload": {
    "email_id": "msg_123...",
    "recipients": ["user@example.com"],
    "smtp_response": "250 OK"
  }
}

import { Webhook } from 'svix';

const secret = "whsec_...";
const headers = request.headers;
const payload = request.body;

const wh = new Webhook(secret);
const evt = wh.verify(payload, headers);

// Safe to process 'evt'

const webhook = await client.webhooks.create({
  name: 'My Webhook',
  url: 'https://your-app.com/webhooks/email',
  events: ['email.delivered', 'email.bounced']
});

// Store webhook.secret securely - it's only shown once!
console.log('Secret:', webhook.secret);