Product
Customer.io Customer.io: sourced case studies
Every documented customer result that used Customer.io Customer.io, each traceable to its original published source.
592%
Email marketing revenue increase
Smart home
Mysa increased email marketing revenue by 592% with Customer.io
Mysa · Sourced July 23, 2026
20%
Increase in email open rates
Software
Notion scaled global lifecycle marketing with Customer.io
Notion · Sourced July 23, 2026
4x
Increase in booking sessions
Sports tech
WIN Reality drove a 4x increase in booking sessions with Customer.io
WIN Reality · Sourced July 23, 2026