Sending
Built to hand off to your developers
One key, one dashboard, and a sandbox to test in before anything goes near real customers. Drop-in SMTP or a clean REST API — whichever your stack already speaks.
Drop-in SMTP or API
Point your existing SMTP config at us, or call a clean REST API — your choice.
Sandbox mode
Test your sending flow against a fake inbox before it touches real customers.
Real-time delivery logs
See sent, delivered, opened and bounced events the moment they happen.
Sandbox first
Test against a fake inbox, not real customers
Flip a key to sandbox mode and every send behaves exactly like production — except nothing ever reaches a real address until you flip it back.
- Separate keys for dev, staging and production
- Full request/response logs while testing
- No accidental emails to real customers, ever
Observability
See every send as it happens
Every message is tracked from submission to inbox — sent, delivered, opened, bounced — streamed to your dashboard or your own webhook endpoint.
- Webhooks for delivered, bounced and opened
- Full history searchable by recipient or subject
- Alerts when bounce rate crosses a threshold
“Our old setup needed a developer just to add an inbox. This one doesn't — and the API is the cleanest I've integrated in years.”
Frequently asked
Do you support SMTP relay?
Yes — point your existing SMTP client config at our relay and it works with no code changes.
What does sandbox mode actually block?
Every API call succeeds and logs normally, but nothing leaves our servers to a real inbox.
Can I get delivery events via webhook?
Yes, configure an endpoint once and get sent/delivered/bounced/opened events pushed live.
Is there a sending rate limit?
Each plan has a default limit, visible in your dashboard and raised on request.
Ship your first email in minutes.
Grab an API key and send a test message right now.