Klaviyo, Inc., a technology company, provides a software-as-a-service platform in the United States, other Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company offers Klaviyo, a cloud-native platform for data store, segmentation engine, campaigns and flows, and messaging infrastructure. It also provides email to send personalized marketing emails, including drag-and-drop email templates to edit and customize pre-built templates; email campaigns and automations with smart send time features, generative artificial intelligence for subject line creation, A/B testing tools, and consumer list segmentation; short message services to send targeted marketing text messages to consumers, as well as built-in contact cards to ensure that texts does not appear as random numbers; and push, a personalized push notification to engage with consumer. In addition, the company offers other applications, such as reviews, which collect product reviews; and customer data platform that allows to manage, deploy, transform, and sync data. It serves its products to entrepreneurs, small and medium-sized businesses to mid-market businesses, and enterprises. The was incorporated in 2012 and is headquartered in Boston, Massachusetts.