Transactional Email

Send one-off emails via API — password resets, receipts, notifications, and more

Total sends

Delivered

Failed

Templates

0 templates · Reusable HTML layouts with variables

Sends log

0 total sends · Delivery status and metadata

Quick start

Send a transactional email with a single API call

curl -X POST https://api.viperatron.com/api/v1/transactional/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "to": "user@example.com",
  "subject": "Welcome aboard!",
  "html": "<p>Hello, world!</p>"
}'

See API Keys to generate a key. Use templateId instead of html to render a saved template.