curl --request POST \
  --url https://api.klavis.ai/sandbox/notion/{sandbox_id}/initialize \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "databases": [
    {
      "title": "<string>",
      "description": "<string>",
      "icon": "<string>",
      "data_sources": [
        {
          "name": "<string>",
          "description": "<string>",
          "schema": {},
          "pages": [
            {
              "title": "<string>",
              "properties": {},
              "blocks": [
                {
                  "type": "<string>",
                  "content": "<string>"
                }
              ],
              "comments": [
                {
                  "text": "<string>"
                }
              ],
              "data_source_name": "<string>"
            }
          ]
        }
      ]
    }
  ],
  "pages": [
    {
      "title": "<string>",
      "properties": {},
      "blocks": [
        {
          "type": "<string>",
          "content": "<string>"
        }
      ],
      "comments": [
        {
          "text": "<string>"
        }
      ],
      "data_source_name": "<string>"
    }
  ]
}
'

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