Customer.io is a versatile marketing automation tool for sending relevant messages based on behavior across web and mobile products.Impersonal messages lead to bad experiences. That¡¯s why we use real-time data to help you deliver the right message, exactly when it¡¯s needed ¡ª like sending an event reminder over SMS or the perfect onboarding email.Our robust platform enables you toAutomate your product messaging, with the ability to build, test, and send messages from one platform.Create and manage newsletters, transactional messages, and behavioral messagesDo more with your behavior and data ¨C connect our powerful segmentation and automation engine with other apps to drive user behavior and save time.