curl --request POST \
  --url https://preview.intermezzo.ai/organizations/{organization_id}/contacts/list \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "name": "<string>",
    "email": "jsmith@example.com",
    "phone": {
      "phoneNumber": "<string>"
    },
    "roles": []
  }
]
'

{
  "total": 123,
  "succeeded": 123,
  "failed": 123,
  "unprocessed": 123,
  "data": [
    {
      "name": "<string>",
      "id": "<string>",
      "email": "jsmith@example.com",
      "phone": {
        "phoneNumber": "<string>"
      },
      "roles": []
    }
  ],
  "errors": [
    {
      "inputIndex": 123,
      "errors": [
        {
          "message": "<string>",
          "field": "<string>",
          "params": {}
        }
      ]
    }
  ]
}