curl --request POST \
  --url https://api.lumyo.co/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_name": "John",
  "last_name": "Doe",
  "email": "[email protected]",
  "metadata": {
    "phone": "+1234567890",
    "company": "Example Corp"
  }
}
'

{
  "id": "01973694-44c1-73ad-80b8-37d8db0b6542",
  "first_name": "John",
  "last_name": "Doe",
  "email": "[email protected]",
  "created_at": "2025-06-03T16:16:16.000000Z",
  "metadata": {
    "phone": "+1234567890",
    "company": "Example Corp"
  }
}