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Block Children List

Notion

List child blocks for a page or block in a connected Notion workspace.

Capability
Workspace knowledge
Current price
$0.0050/call
Availability
Connected app
Last accepted verification

What this API does

Lists one level of block children. Recurse on blocks whose has_children is true. Billed per upstream request at $0.0050; one page (up to 100 blocks) is one request.

Agents select this operation with tool ID notion.block-children-list, then inspect its current executable contract before a run.

Public input and output shape

Input

max_pagesinteger · optional

Maximum number of result pages to request.

minimum: 1 · maximum: 10

pathobject · required

Identifier path for the authorised connected-app record.

queryobject · optional

Search terms used to find relevant records.

Output

pagesnumber

Returned pages value.

resultsarray

Returned results value.

Example request and output

This reviewed worked example is shared with inspect. Inspect also returns the current executable schema and price estimate before a paid run.

Request

{
  "tool_id": "notion.block-children-list",
  "input": {
    "path": {
      "block_id": "YOUR-NOTION-BLOCK-ID"
    },
    "query": {
      "page_size": 1
    },
    "max_pages": 1
  }
}

Output

{
  "pages": 1,
  "results": [
    {
      "id": "1b2c3d4e-0000-4000-8000-000000000003",
      "type": "paragraph",
      "object": "block",
      "paragraph": {
        "rich_text": [
          {
            "type": "text",
            "plain_text": "Summarise launch risks, owners and rollback criteria."
          }
        ]
      },
      "has_children": false
    }
  ]
}
Teaching errors and limitations
  • not_found: Notion cannot find the block or the connection cannot access its page.Share the containing page with the Scrollport integration and retry.
Updated
18 August 2026

Use Block Children List with Scrollport

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Give your agent the setup prompt to receive $1 in trial credit and start using the tools right away.