# Klaviyo Klaviyo is an email marketing and automation platform that enables businesses to create personalized and targeted marketing campaigns. It is especially used by e-commerce companies to analyze customer data, segment audiences, and improve communication through personalized emails and messages. ## What you can do with this integration The integration for Mailchimp lets you: * **Read user data from Klaviyo** and unify them as user profiles inside Krenalis. * **Write unified users back into Klaviyo** and keep the target synchronized over time. * **Send events read in real-time from sources to Klaviyo** to activate them You can use it both to **collect user data**, **activate user profiles**, and to **activate events**.