How Klaviyo Works
Klaviyo was founded in 2012 and went public in 2023, cementing its position as the dominant email and SMS platform for direct-to-consumer e-commerce brands. Its native integrations with Shopify, WooCommerce, BigCommerce, and Magento pull order history, product browsing data, cart events, and customer lifetime value directly into contact profiles. This data depth powers Klaviyo's signature capability: highly personalized flows (automated sequences) that trigger based on specific e-commerce behaviors. The abandoned cart flow, browse abandonment flow, win-back flow, and post-purchase sequence are the four foundational revenue drivers that most Klaviyo clients configure first, collectively recovering 5–15% of otherwise lost revenue.
Why Klaviyo Matters for B2B Marketing
Klaviyo's segmentation engine is built around real-time computed properties — segments update automatically as contact behavior and purchase data change. A segment of "customers who bought Product A but not Product B in the last 90 days" recalculates continuously without manual list pulls. Predictive analytics extend this with machine learning models for predicted next order date, expected order value, churn risk, and lifetime value. These predictions power advanced retention campaigns: contacts flagged as at-risk receive early win-back messages before they lapse, while high-LTV customers are identified for VIP treatment and exclusive offers.
Klaviyo: Best Practices & Strategic Application
Klaviyo positions itself as a Customer Data Platform (CDP) in addition to an ESP. The unified customer profile aggregates data from email, SMS, website, e-commerce platform, loyalty programs, and third-party integrations into a single 360-degree view. This profile serves as the segmentation and personalization backbone for all campaigns. Unlike traditional CDPs that require separate activation tools, Klaviyo activates directly through its own email and SMS channels and syncs audience segments to Meta and Google Ads for coordinated paid media suppression and prospecting.
Agency Perspective: Klaviyo in Practice
Pricing is based on the number of active profiles (contacts), starting at $20/month for 500 profiles and scaling to thousands per month for large lists. SMS is priced per message sent. The combination of email and SMS in one platform, with unified behavioral data driving both channels, gives Klaviyo a significant advantage over brands running separate tools for each channel. Most e-commerce brands achieve a 20:1 or higher attributed revenue-to-platform-cost ratio from Klaviyo when flows and segmentation are properly configured.