curl --location --request GET 'https://api.notion.com/v1/pages//properties/?page_id=Identifier for a Notion page&property_id=Identifier for a page property&start_cursor=For paginated properties.&page_size=' \
--header 'Notion-Version;'
{
"object": "property_item",
"id" "kjPO",
"type": "number",
"number": 2
}