curl -X POST https://api.swiftpay.cx/api/webhooks \
  -H "Authorization: Bearer mp_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://yoursite.com/webhooks/swiftpay",
    "events": [
      "checkout.succeeded",
      "checkout.failed",
      "withdrawal.paid"
    ],
    "description": "Production webhook handler"
  }'

{
  "success": true,
  "data": {
    "endpoint": {
      "id": "wh_abc123",
      "url": "https://yoursite.com/webhooks/swiftpay",
      "events": [
        "checkout.succeeded",
        "checkout.failed",
        "withdrawal.paid"
      ],
      "isActive": true,
      "description": "Production webhook handler",
      "createdAt": "2024-01-15T10:30:00Z"
    },
    "secret": "whsec_1234567890abcdef"
  }
}