Blocks Number of APIs: 5 Retrieve block children GET https://api.notion.com/v1/blocks/:id/children?page_size=100 Update a block PATCH https://api.notion.com/v1/blocks/:id Retrieve a block GET https://api.notion.com/v1/blocks/:id Append block children PATCH https://api.notion.com/v1/blocks/:id/children Delete a block DELETE https://api.notion.com/v1/blocks/:id