notion

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

Authentication

All requests require these headers:

• Authorization: Bearer $NOTION_API_KEY
• Notion-Version: 2025-09-03
• Content-Type: application/json (for POST/PATCH requests)

The API key is provided via the $NOTION_API_KEY environment variable.

API Base URL

https://api.notion.com/v1

Common Operations

Search for pages and data sources

POST /v1/search

Body:

{"query": "page title"}

Get page

GET /v1/pages/{page_id}

Get page content (blocks)

GET /v1/blocks/{page_id}/children

Create page in a data source

POST /v1/pages

Body:

{
  "parent": {"database_id": "xxx"},
  "properties": {
    "Name": {"title": [{"text": {"content": "New Item"}}]},
    "Status": {"select": {"name": "Todo"}}
  }
}

Query a data source (database)

POST /v1/data_sources/{data_source_id}/query

Body:

{
  "filter": {"property": "Status", "select": {"equals": "Active"}},
  "sorts": [{"property": "Date", "direction": "descending"}]
}

Create a data source (database)

POST /v1/data_sources

Body:

{
  "parent": {"page_id": "xxx"},
  "title": [{"text": {"content": "My Database"}}],
  "properties": {
    "Name": {"title": {}},
    "Status": {"select": {"options": [{"name": "Todo"}, {"name": "Done"}]}},
    "Date": {"date": {}}
  }
}

Update page properties

PATCH /v1/pages/{page_id}

Body:

{"properties": {"Status": {"select": {"name": "Done"}}}}

Add blocks to page

PATCH /v1/blocks/{page_id}/children

Body:

{
  "children": [
    {"object": "block", "type": "paragraph", "paragraph": {"rich_text": [{"text": {"content": "Hello"}}]}}
  ]
}

Property Types

Common property formats for database items:

• Title: {"title": [{"text": {"content": "..."}}]}
• Rich text: {"rich_text": [{"text": {"content": "..."}}]}
• Select: {"select": {"name": "Option"}}
• Multi-select: {"multi_select": [{"name": "A"}, {"name": "B"}]}
• Date: {"date": {"start": "2024-01-15", "end": "2024-01-16"}}
• Checkbox: {"checkbox": true}
• Number: {"number": 42}
• URL: {"url": "https://..."}
• Email: {"email": "a@b.com"}
• Relation: {"relation": [{"id": "page_id"}]}

Key Differences in 2025-09-03

• Databases → Data Sources: Use /data_sources/ endpoints for queries and retrieval
• Two IDs: Each database now has both a database_id and a data_source_id
  • Use database_id when creating pages (parent: {"database_id": "..."})
  • Use data_source_id when querying (POST /v1/data_sources/{id}/query)
• Search results: Databases return as "object": "data_source" with their data_source_id
• Parent in responses: Pages show parent.data_source_id alongside parent.database_id
• Finding the data_source_id: Search for the database, or call GET /v1/data_sources/{data_source_id}

Notes

• Page/database IDs are UUIDs (with or without dashes)
• The API cannot set database view filters — that's UI-only
• Rate limit: ~3 requests/second average
• Use is_inline: true when creating data sources to embed them in pages