Customer.io brings data, messaging, and AI together in one platform, so every customer interaction gets smarter over time. Teams use it to create personalized campaigns across email, SMS, push, in-app, and other channels, using first-party data to reach the right people at the right moment. AI is built in to handle the busywork and improve results, which lets marketers spend more time on strategy. More than 9,000 brands trust Customer.io, including Notion, Lovable, Wispr Flow, and Cursor.
Launch Team / Built with
JC
BM
JH
JA
Product Info
Launched October 29, 2026