Send transactional and marketing emails through mailer.erk.im. Powered by Cloudflare Email Service. Track delivery, bounces, and usage — all from your dashboard or API.
# Send an email via the APIcurl -X POST https://mailer.erk.im/api/send \-H "Authorization: Bearer em_live_abc123..." \-H "Content-Type: application/json" \-d '{"to": "customer@example.com","subject": "Your invoice is ready","html": "<h1>Invoice #1234</h1>","from_email": "billing@yourapp.com","from_name": "YourApp Billing"}'# Response: 202 Accepted{ "id": "01JQWX...", "status": "sent" }
How it works
Add and verify your sender email address or domain. Configure from name and reply-to.
Generate an API key from your dashboard. Use it with Bearer auth to send emails programmatically.
POST to /api/send with your recipients, subject, and body. We handle delivery via Cloudflare Email Service.
Features
One POST request to send an email. Support for HTML, plain text, CC, BCC, and custom reply-to.
Secure Bearer token auth with per-user API keys. Generate and revoke from the dashboard.
Track sent, delivered, bounced, and failed emails. View delivery status and usage in your dashboard.
Global edge delivery infrastructure. High deliverability with automatic SPF, DKIM, and DMARC.
Full programmatic access. List sent emails, manage senders, check usage — all via API.
White-label email sending. Create sub-accounts via API, track per-customer usage, aggregate billing.
Real-time email counts, sender management, and delivery analytics in a clean dashboard.
Verify sender identities to ensure deliverability and compliance. Domain-level or per-address.
Pricing
Build email sending into your own SaaS. Create sub-accounts via API, track per-customer usage, and get billed for aggregate consumption. Full REST API included.
Send your first email in under a minute. No credit card required.
Create free account