Klaviyo
Free tierThe autonomous B2C CRM for AI-powered email, SMS, and omnichannel marketing
Free tier available·All audiences·API available
Key strengths
Unified B2C CRM combining marketing, service, and analytics in one platformAI agents (Marketing Agent & Customer Agent) that autonomously create campaigns and resolve support queriesReal-time customer data platform processing 3.7B+ events daily across 8B profiles350+ pre-built integrations covering ecommerce, POS, loyalty, and shippingOmnichannel reach across Email, SMS, WhatsApp, RCS, Mobile Push, and Social
Free tier + paid plans
Boston, United States
Founded 2012
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- Custom ecommerce event tracking — Instrument storefronts to fire Klaviyo events (product viewed, cart updated, checkout started) and trigger real-time automated flows via the Events API.
- Agentic marketing workflows — Use the Klaviyo MCP Server to connect LLM agents (e.g., Claude, GPT-4) to Klaviyo actions, enabling natural-language campaign creation and data querying.
- CDP data unification — Ingest data from multiple sources (POS, loyalty apps, subscription platforms) into KDP to build 360° customer profiles and power cross-channel segmentation.
- Programmatic campaign management — Use the Campaigns API to automate the scheduling, cloning, and A/B testing of email and SMS campaigns across large customer segments.
- App marketplace development — Build and publish custom integrations on the Klaviyo App Marketplace using OAuth and Klaviyo's developer guides to sync data from third-party platforms.
- Real-time personalization — Leverage profile properties and event data via the API to dynamically populate email templates and SMS messages with individualized product recommendations.