Campaigns vs Workflows

Quick comparison

Transactional API

Immediate one-off emails from your code.

await fetch('/v1/send', {
  method: 'POST',
  body: JSON.stringify({
    to: user.email,
    subject: 'Reset your password',
    body: `Click here: ${resetLink}`
  })
});

Campaigns

One-time broadcasts to many contacts. Created in dashboard.

• Send now or schedule
• Target all contacts, segments, or filters
• No code required

Workflows

Automated multi-email sequences.

• Triggered by events or segment changes
• Delays between emails
• Conditional logic (if/then)
• Re-entry control