Customer.io

Customer.io is the customer engagement platform that enables marketers to build their most sophisticated automated messaging campaigns. With access to your real-time behavioral data, you can create personalized and relevant messages that engage and retain your customers. Send email, push notifications, text messages, and more all through an intuitive and powerful visual building experience.

Built for scale, Customer.io is used by over 3,800 companies, sending over 8 billion messages per year. Founded in 2012, Customer.io is a globally distributed, remote-first company.