curl -X GET https://snip.sa/api/urls/domains/available \
  -H "X-API-Key: your_api_key_here"

{
  "success": true,
  "data": {
    "domains": [
      {
        "id": "base",
        "fullDomain": "laghhu.link",
        "domain": "laghhu.link",
        "subdomain": null,
        "isDefault": true,
        "shortUrl": "https://laghhu.link",
        "status": "active",
        "isSystemDomain": true
      },
      {
        "id": "507f1f77bcf86cd799439015",
        "fullDomain": "yourdomain.com",
        "domain": "yourdomain.com",
        "subdomain": null,
        "isDefault": false,
        "shortUrl": "https://yourdomain.com",
        "status": "active",
        "isSystemDomain": false
      }
    ]
  }
}