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EARLY access

Meet Composer

Take your idea and turn it into a complete, ready-to-launch campaign complete with optimization recommendations — from just a prompt.
Welcome to the vibe marketing era.

you dream it. composer builds it.

Complete multi-channel campaigns, instantly

Using Klaviyo’s 14+ years of experience, signal data, and billions of consumer interactions, Composer builds the entire on-brand campaign—from your audience to every email, text, and message.

Email for Eastie’s "New Drop" titled "Race Day Ready." The image features a pair of grey and black trail running shoes with vibrant neon green laces set against a dark forest green background.
THE KLAVIYO ADVANTAGE

Composer builds, refines, and optimizes campaigns — you just approve

  • Audience + messages + content
    Builds a ready-to-send multi-channel campaign.
  • Brand guardrails
    Generates within your specific voice and rules from the first output.
  • 14+ years of intelligence
    Grounded in performance data from 193k+ brands and 8B+ consumer profiles.
  • Human-in-the-loop
    You maintain full strategic control—nothing launches without your sign-off.
  • Multi-turn conversation
    Refine your vision through natural conversation and file uploads.
  • Always on performance recommendations
    Constantly improve your flows to drive better conversion.
Ready to compose your idea?

Join the private beta waitlist

Describe your goal. Approve the work. Launch directly in Klaviyo. Welcome to vibe marketing.

Eastie running apparel email image for new apparel drop, Race Day Ready collection for men and women, featuring performance running shoes and athletic gear in motion-inspired banner.

Composer FAQ

Composer is an AI agent that helps you effortlessly create omnichannel marketing campaigns. It's your intelligent sidekick that collaborates with you to write copy, build messaging workflows, and design full customer journeys across email, SMS, and more—all based on a simple prompt.