Reliable transactional email delivery for your application. Password resets in under 3 seconds. Order confirmations that reach the inbox. API-first, developer-friendly, production-ready.
fetch('https://api.igsendmail.com/v1/send', {
method: 'POST',
headers: { 'Authorization': 'Bearer sk_...' },
body: JSON.stringify({
to: 'user@example.com',
subject: 'Password Reset',
html: '<a href="...">Reset</a>'
})
})
// → { id: "msg_abc", status: "sent" }Choose SMTP for drop-in simplicity or our REST API for full control.
Send single emails, batch sends, and templated messages. Manage lists, subscribers, campaigns, and automations programmatically. SDKs for Node.js, Python, Ruby, PHP, Go, and Java.
curl -X POST https://api.igsendmail.com/v1/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "jane@example.com",
"from": "app@yourcompany.com",
"subject": "Your order is confirmed",
"html": "<h1>Order #1234 confirmed</h1>"
}'Transactional emails delivered in under 3 seconds globally. Your users don't wait.
Maintained 99.9%+ uptime for the past 12 months. Status page available.
Real-time delivery notifications. Know instantly when emails are delivered, opened, or bounced.
Standard SMTP and REST — no proprietary SDKs required. Switch in or out in minutes.
Password resets, order confirmations, shipping notifications, account alerts. Dedicated infrastructure for time-critical delivery.
User onboarding sequences, usage alerts, billing reminders, feature announcements. Mix marketing and transactional on one platform.
Buyer/seller notifications, listing alerts, review requests, payment confirmations. Multi-tenant support with per-sender authentication.
Scheduled report delivery, data export notifications, monitoring alerts. Batch sending for large recipient lists.
| Free | Starter $19 | Pro $49 | Business $99 | |
|---|---|---|---|---|
| Transactional/mo | 1,000 | 5,000 | 25,000 | 100,000 |
| API rate limit | 100/min | 500/min | 2,000/min | 10,000/min |
| SMTP relay | Included | Included | Included | Included |
| Webhooks | 5 endpoints | 25 endpoints | Unlimited | Unlimited |
| Dedicated IP | Shared | Shared | Included | Pool |
| Support | Docs only | Priority + chat | Priority + phone |
Need higher volume? Enterprise plans start at $199/mo with custom rate limits and SLAs.
Get your API key, send your first email, and go live — all in one sitting.