{
  "contacts": [
    {
      "email": "john@domain.com",
      "name": "John Doe",
      "phone": "+1 234 567 8900",
      "company": "Acme Corp",
      "job_title": "CEO",
      "linkedin_url": "https://linkedin.com/in/johndoe",
      "tags": ["outreach", "vip"],
      "is_subscribed": false,
      "additional_info": {
        "source": "Explorium"
      }
    }
  ]
}

{
  "success": true,
  "data": {
    "total": 2,
    "created": 2,
    "updated": 0,
    "skipped": 0
  },
  "message": "Contacts imported successfully via API key."
}