What is Customer.io?

Answer

About Customer.io

Customer.io is send automated messages based on user behavior.

Send automated messages based on user behavior. Customer.io is a behavior-based messaging platform — bootstrapped to significant scale before raising; founder-led roots.

Source

This answer is drawn from the Customer.io listing on Startup Spotlight, last updated May 25, 2026. For the full profile, see the Customer.io listing.

Other questions about Customer.io

• When was Customer.io launched?

  Customer.io launched in 2012.