Univer

Open-source office SDK for embedding spreadsheets, documents and slides in web apps, with formula engine and AI agent hooks.

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More in Spreadsheet APIs

Google Sheets API

Read and write spreadsheets.

Microsoft Excel (Graph)

Excel workbook API.

SheetJS

Read and write spreadsheets in JavaScript.

openpyxl

Python Excel library.

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Category	Spreadsheet APIs
Authentication	No auth
Pricing	Free
Source	Open Source
Website	https://univer.ai/
Docs	https://docs.univer.ai/guides/sheets
Last checked	2026-10-14
As JSON	/api/v1/directory/univer.json