Klaviyo K:AI Spring 2026: Composer Builds Campaigns in One Prompt, Customer Agent Handles Returns
Klaviyo Spring 2026 launched two major AI features: Composer (generates a complete Email+SMS flow from one prompt, trained on 193,000 brands) and Customer Agent (handles returns, order edits, subscription changes, loyalty queries with customizable escalation). Next Best Product recommendations expanded to SMS/RCS/WhatsApp.