Customer.io, founded in 2012, is a customer engagement platform that enables businesses to send billions of messages daily. The platform uses real-time behavioral data to trigger personalized communications across multiple channels, including email, push notifications, in-app messages, and SMS. It serves over 8,000 businesses and reports annual recurring revenue exceeding $100 million.
The company's technical work spans artificial intelligence, real-time data processing, and multi-channel messaging infrastructure. Its core product is designed to handle high-volume, data-driven communication at scale, processing billions of messages each day for its client base.
Customer.io operates as a remote-first company with a team of over 360 employees distributed across more than 30 countries. Its headquarters are in Portland, Oregon. The company emphasizes data privacy and reliable message delivery as key aspects of its platform.
