UniOne is a transactional and bulk email api with a reported 99.88% delivery rate, plus built-in email validation. Good fit for Shopify brands sending order confirmations, shipping notifications, and bulk sends who want one vendor instead of an esp for transactional plus a separate validation tool.
What UniOne Email API does for Shopify brands
- Reliable inbox delivery on order & shipping emails cuts WISMO support tickets
- Transactional, bulk send & validation in one api replaces 2-3 separate vendors
- Per-email cost $0.07-$0.75 per 1k vs $1-$3 per 1k on larger esp plans
- REST api & SMTP relay cut dev hours spent on email plumbing & deliverability fixes
