280x
average ROI
Finally. A unified customer platform that delivers personalization at scale.
Klaviyo One unlocks all your customer data so you can create rich personalized experiences with best-in-class email and SMS—bringing customers back again (and again).
Trusted by over 1.2K leading brands
Drive more revenue with a unified customer platform
Fragmented point solutions prevent marketers from building effective customer communications. Klaviyo One solves this by bringing all your customers’ data on to one customer data platform—where you can fuel highly personalized messages at scale.
30ms
or faster to query real-time profile data*
4M+
daily segment evaluations
~2B
events processed per day
Forget legacy software. Klaviyo One is built for the future.
Scale without limits
Deliver personalized experiences and manage as much data as you need, no matter how big your audience gets.
Protect your brand
Expert compliance considerations handle critical details for you. High deliverability and low latency maintain your sending reputation.
Integrate with any stack
No more siloed data. Manage and use it all in one place with 300+ ready-to-go integrations and even more flexibility to connect with custom platforms.
Empower developers
Klaviyo’s versatile APIs, precise documentation, and supportive community forum equip your team to build custom integrations in less time.
6.5K+
agency partners
300+
tech partners
35K
organizations use Klaviyo APIs on a weekly basis
5B+
API requests processed per week
Success at every step
Klaviyo experts are ready to guide you through onboarding, integration, deliverability, and beyond, and you’ll get ongoing support from a customer success manager. Plus, our extensive network of agency and tech partners puts even more specialized teams at your fingertips.
Speed meets sophistication
Klaviyo is so intuitive and easy to use, even for advanced campaigns. It’s eliminated inefficiencies that existed with our previous marketing platform and has allowed easier collaboration, saving us time and making our marketing campaigns even more impactful.
