For e-commerce brands running lifecycle marketing, Klaviyo is a marketing automation platform built on customer data that sends targeted email and SMS campaigns, now positioning itself as an autonomous B2C CRM where AI agents like Composer draft full campaigns from a single prompt.
▼ 26 60-day move
Measures earned, engagement-weighted share of voice across the GTM voices panel. Methodology →
Ranked #18 of 126 in Traditional SaaS Going Headless, down 26 this cycle.
Measures how easily your agents can build on it — API, MCP, CLI, SDK, docs depth. Methodology →
Grade A — ships API, MCP, SDK, and CLI; agents can build on it today.
Scaled-stage on our scale — 2,902 employees on record.
Founded 2012Funding $778.5MARR $1.2B Revenue, +32% y/y (FY 25)Valuation ~$5.3B market capStatus Public
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