[V3 REST API] Notebook Document APIs Beta

New Beta APIs for reading and editing Notebook entries have been added to V3. These APIs allow reading and writing the following document part types:

• Text
• Code block
• Sections
• Attachments
• Unstructured tables

For full details and tutorials on how to use the new Document APIs, read the new Documents API guide→

🆕 Added

GET /entry/{entry_id}/parts/items

• Added a new endpoint for listing document parts within an entry.

PATCH /entry/{entry_id}

• Added a new partsMutation field for inserting, moving, and removing document parts as content to an entry.

GET /document-part/items

• Added a new endpoint for listing all document parts across entries.

GET /document-part/{document-part-id}

• Added a new endpoint for reading a specific document part by id.

GET /document-part-unstructured-table/{doc_part_id}

• Added a new endpoint for reading an unstructured table's contents.

PATCH /document-part-unstructured-table/{doc_part_id}

• Added a new endpoint to edit an unstructured table's contents.

⚠️ Deprecated

GET /entry/{entry_id}

• Deprecated sections field, to be removed September 1, 2026. To read an entry's document content, use the /parts listing endpoint instead.

PATCH /entry/{entry_id}

• Deprecated content field, to be removed September 15, 2026. To insert entry document content, use the partsMutation request field instead.

🚧 Beta

Beta endpoints (accessed via EARLY-ACCESS: true) may change at any time without notice. Read the full stability guidelines for more information→