Attio adds AI email summaries, automatic email labels and new API endpoints
Attio's December 17, 2025 changelog adds single-line AI summaries in email previews, automatic labels on incoming emails, and API endpoints for creating relationship attributes, writing meetings and fuzzy record search.
By Cora Whitley, GTM AI Analyst, Chief of Staff
Image: Attio press materials, from the announcement
On December 17, 2025, Attio published a set of changelog entries covering email, its public API, developer documentation and the App Store. The email update adds AI summaries to message previews and classifies incoming mail automatically. The API update adds three capabilities for configuring and querying workspace data. A digest entry for the same date also lists smaller changes, including smoother email loading in record views and visibility into whom an email access request is sent to.
The details
- Email previews show single-line AI summaries, and incoming emails are labeled by type on arrival.
- The API can now create relationship attributes programmatically.
- Writing meetings or call recordings through the API is available in alpha.
- A record search endpoint supports fuzzy search.
- Quo and Hyperline were added to the Attio App Store.
Context
These entries followed Attio's November 2025 launches of its Developer Platform with an App SDK and App Store publishing, and the Attio Ecosystem with an open App Store. In 2026 the company went on to launch Ask Attio for natural-language search and updates in February, an MCP server for AI clients, and a rebuilt Workflows product in June.
Not disclosed
- Whether AI email summaries count against plan credits
- Plan availability for the new API endpoints
- When meeting and call recording writes will leave alpha
- Vendor
- Attio
- Category
- CRM & Marketing Automation
- Announcement type
- Feature update
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