The messaging platform that puts your data to work Reach people at the right time, every time. Customer.io is a SaaS product that provides infrastructure to send triggered emails users to improve an app's engagement level with users.
Customer.io has rules to match users in various conditions like hasn't logged in in 30 days or has not connected to facebook. Users who match conditions receive emails encouraging them to change their behavior. Customer.io measures the effectiveness of those emails and allows its customers to continuously tweak and improve their triggered email campaigns.