x.ai

by x.ai, Inc.

🟡Acquired / Merged

x.ai was an AI-powered personal assistant for scheduling meetings over email. Users copied assistants such as Amy or Andrew on a message, and the service coordinated available times with participants.

SalesFounded by Dennis R. Mortensen, Matt Casey, Marcos Jimenez BelenguerVisit website →
🔍 Last checked: 9/19/2026 · Confidence: 94%

Acquisition Details

Bizzabo acquired x.ai in May 2021. Bizzabo said x.ai’s team and scheduling technology would support its event-experience platform, and x.ai’s standalone service was subsequently retired.

💵 Pricing & access

Pricing model
Not documented
Starting at
No longer sold
Official site
Visit x.ai

🩺 Health Signals

1d ago
HTTP Status
200
Response
SSL
Confidence
94%
Domain expires
Last content change
Last tweet
API status

📅 Timeline

2014-10-23

x.ai launches publicly

2017-01-05

Raises $23 million Series B

2019-05-30

Adds a free scheduling product

2021-05-26

Acquired by Bizzabo

🔄 Alternatives to x.ai

🪦 Other dead Sales tools

Frequently Asked Questions

What was x.ai?

x.ai was an AI scheduling assistant that arranged meetings over email. A user could copy Amy or Andrew on a conversation, and the assistant would negotiate times and send calendar invitations.

Is x.ai still available?

No standalone x.ai scheduling product is currently available. Bizzabo acquired the company in May 2021, and the former x.ai homepage no longer operates as the original scheduling service.

Who founded x.ai?

x.ai was founded by Dennis R. Mortensen, Matt Casey, and Marcos Jimenez Belenguer in New York.

How did the x.ai scheduling assistant work?

Users connected a calendar and copied an x.ai assistant on an email. The software interpreted scheduling requests, checked preferences and availability, exchanged messages with guests, and created the meeting invitation.

Who acquired x.ai?

Bizzabo acquired x.ai in May 2021 to add its scheduling technology and team to Bizzabo’s event-experience platform. The purchase price was not disclosed.