DEVELOPERS
APIs built for product teams.
Send transactional email, manage contacts, and subscribe to webhooks, REST endpoints, API keys, and docs your engineers will actually read.
Why teams choose us
Integrate without the headache.
REST API
Send mail, manage lists, and fetch stats with JSON requests and predictable responses.
Scoped API keys
Separate keys for staging and production with send-only or full-access scopes.
Webhooks
Delivered, bounced, opened, clicked, push events to your app in real time.
Quick start
First send in one curl.
Create a key, pick a template, POST the payload, most teams ship in an afternoon.
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Sandbox mode on new accounts for safe testing. -
SMTP relay for apps that already speak SMTP. -
Rate limits documented per plan, no surprise throttling. -
OpenAPI-style docs with copy-paste examples.
How it works
Ship in four steps.
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1
Register & create a key Sign up, open Settings → API, and generate a scoped key.
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2
Create a template Design in the editor or upload HTML with variable placeholders.
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3
Send via API POST to /v1/send with recipient, template ID, and JSON variables.
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4
Wire webhooks Point your endpoint at delivery events for retries and analytics.
Build on a platform that scales with you.
Free tier includes API access. Upgrade when volume grows.
No credit card required · Cancel anytime · See pricing