Write, design, launch Klaviyo campaigns in minutes with AI.
Copy. Design. Live — all from one prompt. Sendsei reads your store, builds a Brand Brain, and ships one launchable email at a time. This is what AI was actually supposed to do.
Every email below was generated by Sendsei.
Six things your team spends hours on. Sendsei does all of them.
Operator-grade tools, not novelty toys — every step from brief to Klaviyo proof.
Get started →Smart calendar
Brief it once. Get a full marketing calendar back. No more guessing what to send when.
Bulk copy generation
A whole month of email copy in one click. On-brand, on-brief, ready to review.
AI design wizard
Pick the vibe. AI handles the design. You just say yes or tweak and move on.
Launch bot
Builds and launches directly in Klaviyo in seconds. No exporting. No reformatting.
Figma launcher
Already designed in Figma? Drop the link. We export, build, and launch it for you.
Flow builder
Full email flows with dynamic segments — built and ready in minutes, not days.
Real people. Real results.
No hand-picked fluff — here's what happened after week one.
