For Developers
APIs developers actually enjoy
Clean REST APIs, official SDKs, idempotency, webhooks, and docs that get you sending in minutes — for email, SMS, and push.
What you get
- REST API with predictable, documented responses
- Official SDKs for popular languages and an SMTP relay
- Idempotency keys, retries, and rate-limit headers
- Real-time webhooks for every delivery event
- Sandbox environment and test API keys
REST & SMTP
Integrate with an HTTP API or a drop-in SMTP relay.
Webhooks
Subscribe to delivery, open, click, and bounce events.
Built for scale
Idempotency, retries, and rate limits designed for production.
Fast to integrate
Send your first message in under five minutes.
Get started today
Send your first email
in under 5 minutes
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