InboxEngine helps developers and businesses send secure transactional emails such as verification messages, password resets, system alerts, and notifications.
Send transactional emails using a powerful REST API built for developers.
Integrate easily using SMTP for applications that require traditional email sending.
Create reusable email templates for system messages and notifications.
Track delivery rates, bounce events, and complaint reports.
Receive real-time event notifications for delivery, opens, and failures.
Optimized infrastructure ensures reliable email delivery at scale.
5,000 emails / month
50,000 emails / month
500,000 emails / month
Custom volume
124,230
98.7%
0.8%
0.03%
InboxEngine provides scalable email infrastructure that allows applications to send transactional messages such as account verification, system alerts, password resets, and notifications.
Users must only send emails to recipients who have explicitly opted in. Spam, phishing, and unsolicited bulk email are strictly prohibited. Accounts generating excessive bounce or complaint rates may be suspended.
InboxEngine actively monitors sending patterns, bounce events, and spam complaints. The platform complies with CAN-SPAM regulations and international email sending laws.