curl --request POST \
  --url https://api.klavis.ai/sandbox/close/{sandbox_id}/initialize \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "leads": [
    {
      "name": "<string>",
      "status_label": "<string>",
      "contacts": [
        {
          "name": "<string>",
          "emails": [
            {}
          ],
          "phones": [
            {}
          ]
        }
      ],
      "opportunities": [
        {
          "note": "<string>",
          "value": 123,
          "confidence": 123,
          "value_period": "<string>"
        }
      ],
      "tasks": [
        {
          "text": "<string>",
          "date": "<string>",
          "is_complete": true,
          "assigned_to": "<string>"
        }
      ]
    }
  ]
}
'

{
  "sandbox_id": "<string>",
  "status": "idle",
  "message": "<string>",
  "records_created": {}
}