Canadian Email Infrastructure

Transactional email
that just works

CASL + GDPR compliant, Canadian data residency, zero setup overhead. One API call to send. CAD $0.15 per 1,000 emails.

Start free See pricing

Built for Canadian developers

🍁

CASL + GDPR ready

Suppression lists, bounce handling, and complaint processing built in. Not an afterthought.

🔑

DKIM signing

Per-domain DKIM keypairs, automated DNS verification, Haraka-backed delivery.

⚡

Simple REST API

One endpoint, Bearer token auth, JSON in and out. Send your first email in 5 minutes.

📊

Delivery analytics

Bounce rates, complaint rates, delivery stats — all queryable by date range.

🪝

Webhooks

Real-time delivery events pushed to your endpoint. HMAC-signed, retried automatically.

💳

Post-paid billing

200 free emails/month. Pay only what you use, invoiced in CAD on the 1st.

Send in seconds

curl -X POST https://ses.duotang.ca/v1/email/send \
  -H "Authorization: Bearer ses_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "from":    "Your App <noreply@yourdomain.ca>",
    "to":      "customer@example.com",
    "subject": "Welcome!",
    "html":    "<p>Thanks for signing up.</p>"
  }'

→ 202 { "message_id": "msg_3a7f9c...", "status": "queued" }

Simple, transparent pricing

Post-paid monthly in CAD. No contracts, no minimums.

Free tier
$0
200 emails/month, no card required
  • REST API + dashboard
  • DKIM signing
  • Suppression list
  • Basic stats
Pay-as-you-go
$0.15
per 1,000 emails (CAD) after free tier
  • Everything in free
  • Outbound webhooks
  • Batch send (50/request)
  • Canadian data residency
  • Volume discount at 1M+/month

5–8× cheaper than Mailgun, SendGrid, or Postmark. About the same as Amazon SES but with CASL/GDPR compliance built in and Canadian infrastructure.