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Supafax

Supafax is a YC Winter 2026 (W26) company. Based in San Francisco, CA, USA. Team of 2.

  • B2B
  • Productivity
  • Calendar
  • Email
  • AI Assistant
Website (opens in a new tab)

About Supafax

GPAgent's own fund-neutral profile, written from public information. Updated Oct 4, 2026.

Summary

Supafax builds an AI agent that works inside Gmail and Outlook to handle email and calendar on behalf of professionals. It drafts replies in the user's own voice, schedules meetings, and automatically labels and prioritizes incoming mail. The product replaces the manual work of sorting, responding to, and organizing a busy inbox.

Business model

A free trial followed by paid plans, with no credit card required to start.

Go-to-market

Individual professionals and business users adopt Supafax self-serve, starting with a 14-day free trial directly from the website.

From the Y Combinator listing

How Supafax describes itself in Y Combinator's public directory.

AI assistant for your email and calendar

Supafax is an AI agent that lives in your inbox and proactively manages your email and calendar.

Facts

Batch
YC Winter 2026 (W26)
Industry
B2B / B2B -> Productivity
Location
San Francisco, CA, USA
Team size
2
Status
Active
Stage
Early
Website
supafax.com (opens in a new tab)

Founders (2)

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