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.

THE KLAVIYO ADVANTAGE
Composer builds, refines, and optimizes campaigns — you just approve
- Audience + messages + contentBuilds a ready-to-send multi-channel campaign.
- Brand guardrailsGenerates within your specific voice and rules from the first output.
- 14+ years of intelligenceGrounded in performance data from 193k+ brands and 8B+ consumer profiles.
- Human-in-the-loopYou maintain full strategic control—nothing launches without your sign-off.
- Multi-turn conversationRefine your vision through natural conversation and file uploads.
- Always on performance recommendationsConstantly 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.

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.