notion-enhanced-markdown-integration

notion

Use the Notion API to create/read/update pages, data sources (databases), and blocks.

Setup

1. Create an integration at https://notion.so/my-integrations 2. Copy the API key (starts with ntn_ or secret_) 3. Store it:

mkdir -p ~/.config/notion
echo "ntn_your_key_here" > ~/.config/notion/api_key

4. Share target pages/databases with your integration (click "..." → "Connect to" → your integration name)

API Basics

All requests need:

NOTION_KEY=$(cat ~/.config/notion/api_key)
curl -X GET "https://api.notion.com/v1/..." \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json"

> Note: The Notion-Version header is required. This skill uses 2026-03-11 (latest). In this version, databases are called "data sources" in the API.

Common Operations

Search for pages and data sources:

curl -X POST "https://api.notion.com/v1/search" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{"query": "page title"}'

Get page:

curl "https://api.notion.com/v1/pages/{page_id}" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11"

Get page content (blocks):

> For simple content access, prefer the Markdown API (GET /v1/pages/{page_id}/markdown). Use the blocks API only when you need low-level block data or unsupported block types.

curl "https://api.notion.com/v1/blocks/{page_id}/children" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11"

Create page in a data source:

curl -X POST "https://api.notion.com/v1/pages" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "parent": {"database_id": "xxx"},
    "properties": {
      "Name": {"title": [{"text": {"content": "New Item"}}]},
      "Status": {"select": {"name": "Todo"}}
    }
  }'

Query a data source (database):

curl -X POST "https://api.notion.com/v1/data_sources/{data_source_id}/query" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "filter": {"property": "Status", "select": {"equals": "Active"}},
    "sorts": [{"property": "Date", "direction": "descending"}]
  }'

Create a data source (database):

curl -X POST "https://api.notion.com/v1/data_sources" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "parent": {"page_id": "xxx"},
    "title": [{"text": {"content": "My Database"}}],
    "properties": {
      "Name": {"title": {}},
      "Status": {"select": {"options": [{"name": "Todo"}, {"name": "Done"}]}},
      "Date": {"date": {}}
    }
  }'

Update page properties:

curl -X PATCH "https://api.notion.com/v1/pages/{page_id}" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{"properties": {"Status": {"select": {"name": "Done"}}}}'

Add blocks to page:

curl -X PATCH "https://api.notion.com/v1/blocks/{page_id}/children" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "children": [
      {"object": "block", "type": "paragraph", "paragraph": {"rich_text": [{"text": {"content": "Hello"}}]}}
    ]
  }'

Markdown Page Operations

Use the Markdown API to read and write page content as plain Markdown — no need to construct block JSON.

Create page with markdown:

curl -X POST "https://api.notion.com/v1/pages" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "parent": {"page_id": "xxx"},
    "markdown": "# Meeting Notes\n\nContent here.\n\n- item 1\n- item 2"
  }'

Constraints:

Read page as markdown:

curl "https://api.notion.com/v1/pages/{page_id}/markdown" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11"

Response: { "object": "page_markdown", "id": "...", "markdown": "...", "truncated": false, "unknown_block_ids": [] }

Update page markdown:

# Search-and-replace (recommended)
curl -X PATCH "https://api.notion.com/v1/pages/{page_id}/markdown" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "command": {
      "type": "update_content",
      "old_str": "old text",
      "new_str": "new text"
    }
  }'
Full replacement
curl -X PATCH "https://api.notion.com/v1/pages/{page_id}/markdown" \
  -H "Authorization: Bearer $NOTION_KEY" \
  -H "Notion-Version: 2026-03-11" \
  -H "Content-Type: application/json" \
  -d '{
    "command": {
      "type": "replace_content",
      "new_str": "# New Title\n\nReplaced content."
    }
  }'

Two command types:

Both commands return the full updated page markdown. Constraints:

Supported Block Types (Markdown)

| Block Type | Markdown Syntax | |---|---| | Paragraph | plain text | | Heading 1–4 | # through #### | | Bulleted list item | - item | | Numbered list item | 1. item | | To-do | - [ ] / - [x] | | Toggle |

Unsupported block types render as placeholder tags.

Property Types

Common property formats for database items:

Key Differences in 2026-03-11

Notes

1. Create an integration at https://notion.so/my-integrations 2. Copy the API key (starts with ntn_ or secret_) 3. Store it:

mkdir -p ~/.config/notion
echo "ntn_your_key_here" > ~/.config/notion/api_key

4. Share target pages/databases with your integration (click "..." → "Connect to" → your integration name)