Documentation

Send your first email

Authenticate with your secret key and deliver to one or many recipients in a single request.

Authentication

All requests are authenticated with a secret API key passed in the Authorization header. Create keys from your dashboard.

Send an email

curl https://api.ultymailer.com/v1/send \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "from": "you@yourdomain.com",
    "to": ["a@example.com", "b@example.com"],
    "subject": "Welcome aboard",
    "html": "<h1>Hello!</h1>"
  }'

Multi-recipient sending

Pass up to 10,000 recipients in the to array. UltyMailer fans out delivery and returns a single message id you can track in your logs.