Append Content: Notion action

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Page or Block ID block_id	string	Required	Notion block ID — a UUID. Most pages are also valid blocks (use the page ID).
Text Content content	string	Optional	Text to add as a paragraph. For complex blocks, use the Blocks JSON field instead.
Blocks JSON (advanced) blocks_json	string	Optional	JSON array of block objects for complex content (headings, lists, toggles, etc.)

Sample request

{
  "block_id": "e.g. a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "content": "e.g. Here are the meeting notes...",
  "blocks_json": "[{\"type\": \"heading_2\", \"heading_2\": {\"rich_text\": [{\"text\": {\"content\": \"Section Title\"}}]}}]"
}

Returns

{
  "object": "list",
  "results": [
    {
      "id": "block-id-123",
      "type": "paragraph",
      "object": "block",
      "paragraph": {
        "rich_text": [
          {
            "plain_text": "Here are the meeting notes..."
          }
        ]
      }
    }
  ]
}

Use these fields in downstream nodes for routing, logging, or error handling.

FAQ

Questions about Append Content.

What does the Append Content action do in Notion?

Appends content blocks (paragraphs, headings, to-dos, bullets, code, callouts) to the body of a Notion page. The default way to grow a document programmatically.

What inputs does Append Content require?

Required: Page or Block ID. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Notion returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Append Content support batch operations?

Yes. Run Append Content inside a Loop node to process arrays. Tiny Command handles Notion's rate limits automatically so you don't have to throttle manually.

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