bodyobject · requiredBounded request body sent to the connected application.
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Notion
Append child blocks to a page or block in a connected Notion workspace.
Appends up to 100 child blocks at the start, end, or after a specified child using the 2026 position contract. Always one upstream request at $0.0025.
Agents select this operation with tool ID notion.block-children-append, then check its current inputs and price before a run.
bodyobject · requiredBounded request body sent to the connected application.
pathobject · requiredIdentifier path for the authorised connected-app record.
has_morebooleanReturned has more value.
next_cursornullReturned next cursor value.
objectstringReturned object value.
resultsarrayReturned results value.
typestringReturned type value.
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Inspect returns this reviewed example, its estimated cost and the current input schema. Run calculates the estimate for your actual input.
{
"tool_id": "notion.block-children-append",
"input": {
"body": {
"children": [
{
"type": "paragraph",
"object": "block",
"paragraph": {
"rich_text": [
{
"text": {
"content": "Add verified provider-cost assumptions before approval."
},
"type": "text"
}
]
}
}
],
"position": {
"type": "end"
}
},
"path": {
"block_id": "YOUR-NOTION-BLOCK-ID"
}
}
}{
"type": "block",
"object": "list",
"results": [
{
"id": "1b2c3d4e-0000-4000-8000-000000000003",
"type": "paragraph",
"object": "block",
"paragraph": {
"rich_text": [
{
"type": "text",
"plain_text": "Add verified provider-cost assumptions before approval."
}
]
},
"has_children": false
}
],
"has_more": false,
"next_cursor": null
}invalid_input: Notion 2026-03-11 no longer accepts a flat after field.Use body.position, for example {"type":"after_block","after_block":{"id":"..."}}.