Automate Email Personalization — Klaviyo syncs data in real-time across 300+ integrations for deeper email personalization.

Send data-driven emails, Gain actionable insights and Segment further according to intent. Use...

SMTP for Transactional Emails — Our reliable email API processes millions of emails every day with a delivery rate of 97%.

Intuit Mailchimp's Easy-to-Use Tools & Templates Make Creating Engaging Emails A Breeze.