Klaviyo is a cutting-edge marketing automation and customer data platform designed to empower marketers by centralizing and leveraging all of their customer data for hyper-personalized campaign delivery. Seamlessly integrating with existing tech stacks—such as shipping, loyalty programs, user-generated content, subscriptions, and helpdesk services—Klaviyo transforms scattered data into a single, reliable source. This unified data foundation enables marketers to craft and automate personalized experiences across multiple channels, including email, SMS, forms, and mobile push notifications, all from a single log-in. Trusted by innovative brands like ColourPop, Living Proof, and Citizen Watches, Klaviyo supports over 110,000 businesses in acquiring, engaging, and retaining customers while driving growth on their own terms. Its scalable and flexible infrastructure ensures that users can effortlessly expand their marketing efforts and maximize conversions and revenue. Whether you're a small startup or a well-established brand, Klaviyo offers the tools you need to deliver meaningful, personalized customer interactions.