Klaviyo

Klaviyo is a customer data and marketing automation platform designed to help ecommerce and digital businesses deliver targeted, data-driven communications across email and SMS. The tool centralizes customer data from ecommerce platforms, websites, and apps, enabling users to build detailed customer profiles and segments based on behavior, purchase history, browsing activity, and engagement. Klaviyo’s visual flow builder allows teams to create automated workflows for welcome series, abandoned cart reminders, post-purchase follow-ups, win-back campaigns, and product recommendations without requiring code.

Its email and SMS editors support dynamic content, personalization tokens, and conditional logic so messages can be tailored to each recipient. Klaviyo also provides A/B testing, send-time optimization, and deliverability tools to refine campaign performance. Robust analytics and attribution reporting show revenue impact, conversion rates, and channel performance at both campaign and segment levels.