Transactional
Email
Send password resets, order confirmations, and onboarding emails through a simple REST API. Reliable delivery backed by AWS SES and your own infrastructure.
One API call to
send any email
No complex SDKs or configuration. A single POST request with your content and recipient is all it takes.
curl -X POST https://your-api.com/v1/send \ -H "X-API-Key: YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "from": "hello@yourdomain.com", "to": ["user@example.com"], "subject": "Welcome to Acme", "html": "<h1>Welcome!</h1><p>Thanks for signing up.</p>", "headers": { "List-Unsubscribe": "<https://yourdomain.com/unsubscribe?id=abc123>", "List-Unsubscribe-Post": "List-Unsubscribe=One-Click" } }'From API call
to inbox
Make an API call
Send a POST request with your recipients, subject, and HTML or template ID.
Queued & processed
Posthawk validates, queues via BullMQ, and processes the email with retry logic built in.
Delivered via SES
Your email is sent through AWS SES from your own account. Full deliverability control.
Delivery Tracking
Track every email from send to delivery. Monitor bounces, complaints, and opens in real time.
Automatic Retries
Failed sends are automatically retried with exponential backoff. No emails lost to transient errors.
Per-Email Metadata
Attach custom metadata to every email for filtering, searching, and debugging in the dashboard.
Bounce Handling
Automatic suppression of hard bounces and complaint addresses to protect your sender reputation.
Start sending emails
Deploy Posthawk and send your first transactional email in under 10 minutes.