Panggil endpoint:

POST /api/shorten
Content-Type: application/json

{
  "url": "https://contoh.com",
  "alias": "VIP",
  "expires_at": "2025-12-31"
}

Respon:

{
  "short_url": "https://domainmu/abc",
  "code": "abc",
  "long_url": "https://contoh.com",
  "expires_at": "2025-12-31 00:00:00"
}