TypeScript SDK
Data sources
Retrieve a data source
GET
TypeScript SDK
Retrieves a data source object — information that describes the structure and columns of a data source — for a provided data source ID. The response adheres to any limits to a connection’s capabilities and the permissions of the data source and its containing database. To fetch data source rows (i.e. the child pages of a data source) rather than columns, use the Query a data source endpoint.Documentation Index
Fetch the complete documentation index at: https://developers.notion.com/llms.txt
Use this file to discover all available pages before exploring further.
Finding a data source ID
Navigate to the database URL in your Notion workspace. The ID is the string of characters in the URL that is between the slash following the workspace name (if applicable) and the question mark. The ID is a 32 characters alphanumeric string.
data_sources for that database. There is often only one data source, but when there are multiple, you may have the ID or name of the one you want to retrieve in mind (or you can retrieve each of them). Use that data source ID with this endpoint to get its properties.
To get a data source ID from the Notion app directly, the settings menu for a database includes a “Copy data source ID” button under “Manage data sources”:

Errors
ErrorsEach Public API endpoint can return several possible error codes. See the Error codes section of the Status codes documentation for more information.Additional resources
Data source relations must be shared with your connectionTo retrieve data source properties from database relations, the related database must be shared with your connection in addition to the database being retrieved. If the related database is not shared, properties based on relations will not be included in the API response.
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Headers
The API version to use for this request. The latest version is 2026-03-11.
Available options:
2026-03-11 Path Parameters
ID of a Notion data source.