curl --request POST \
  --url 'https://api.flashcat.cloud/calendar/list?app_key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "kind": "personal"
}
'

{
  "request_id": "01HK8XQE3Z7JM2NTFQ5YJ8P9R4",
  "data": {
    "items": [
      {
        "account_id": 2451002751131,
        "team_id": 2477033058131,
        "cal_id": "cal.eh9gvPtWeH3xXgKeVSRxRg",
        "cal_name": "Stock Exchange Calendar",
        "description": "A stock market trading calendar example",
        "timezone": "Asia/Shanghai",
        "kind": "personal",
        "workdays": [
          0,
          1,
          2,
          3,
          4,
          5,
          6
        ],
        "created_at": 1702455630,
        "updated_at": 1775529526,
        "creator_id": 2476444212131,
        "updated_by": 3790925372131,
        "status": "enabled"
      },
      {
        "account_id": 2451002751131,
        "team_id": 0,
        "cal_id": "cal.VZYkchxJhGELSF4jzkUAud",
        "cal_name": "HK Stock Exchange Calendar",
        "description": "Hong Kong Stock Exchange trading days calendar",
        "timezone": "Asia/Shanghai",
        "kind": "personal",
        "extra_cal_ids": [
          "zh-cn.china.official"
        ],
        "created_at": 1702968470,
        "updated_at": 1775188967,
        "creator_id": 2451002751131,
        "updated_by": 3790925372131,
        "status": "enabled"
      }
    ],
    "total": 8
  }
}