customers

Built for developers
who ship.

From first side project to production SaaS, teams reach for Zerokit when transactional email simply has to work.

who it's for

One API, every stage of the journey.

The same deliverability foundation whether you're sending your first email or your millionth.

Indie & side projects
Ship a password reset or receipt flow in an afternoon on the free tier, then scale linearly when it takes off.
SaaS in production
Invites, alerts and billing emails that have to arrive - backed by multi-region delivery and real-time events.
Agencies & builders
One clean API and per-domain authentication makes Zerokit easy to drop into every client project you run.

join them

Start free, scale when you're ready. Tell us what you're building at [email protected].