API Reference

Everything you need to send emails programmatically.

Quick Start

Send your first email in seconds:

curl -X POST https://api.sentd.io/api/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "you@yourdomain.com",
    "to": "recipient@example.com",
    "subject": "Hello from SENTD!",
    "html": "<p>Your first email sent via API.</p>"
  }'

Authentication

All API requests require a Bearer token in the Authorization header:

Authorization: Bearer em_live_xxxxxxxxxxxxx

Get your API key from the dashboard.

Base URL

https://api.sentd.io

Emails

Send and manage transactional emails

Templates

Create and manage email templates

Domains

Verify and manage sending domains

Analytics

View email performance metrics

Webhooks

Receive real-time event notifications

Rate Limits

Free

100/min

Starter

500/min

Professional

2,000/min

Enterprise

10,000/min