Postmark vs Customer.io
Side-by-side reliability comparison based on real-time monitoring data over the last 23 days.
Postmark
Transactional email service focused on fast, reliable delivery of application emails like password resets, receipts, and notifications.
OperationalCustomer.io
Marketing automation platform for targeted messaging based on user behavior and data.
Operational| Metric | Postmark | Customer.io |
|---|---|---|
| Current Status | Operational | Operational |
| Uptime (23-day) | 86.96% | 89.47% |
| Days with Issues | 3 | 2 |
| Feed Type | Sorryapp | Statuspage |
| Status Page | View → | View → |
Postmark vs Customer.io: Reliability Comparison
Choosing between Postmark and Customer.io? Reliability matters. ServiceAlert.ai tracks both services in real time, monitoring their status pages for outages, degraded performance, and maintenance windows.
Over the last 23 days, Postmark has maintained 86.96% uptime with 3 days of issues, while Customer.io has achieved 89.47% uptime with 2 days of issues.
Want instant alerts when either service goes down? Sign up for ServiceAlert.ai to monitor both services and get notified via email, Slack, Teams, Google Chat, or Discord.