Stamp

The AI Secretary for Email and Calendar.

Y CombinatorWinter 2025ActiveB2BProductivity

What they do

Problem

People waste time and miss important tasks managing high-volume email and calendar workflows manually.

Solution

Stamp is an AI-native inbox that writes replies in your voice, organizes and filters email, tracks action items, and automates routine inbox tasks.

Who it's for

Busy professionals and teams who rely heavily on email and calendar for daily work.

Archit Mehta

Founder

Stamp CEO. Previously graduated at 20, built products with 50k+ users, Software Engineer at Stripe.