Mailgun vs Customer.io

Side-by-side reliability comparison based on real-time monitoring data over the last 19 days.

Mailgun

Mailgun

Email API service for developers providing transactional email sending, receiving, and tracking with powerful APIs and SMTP relay.

Operational
vs
Customer.io

Customer.io

Marketing automation platform for targeted messaging based on user behavior and data.

Operational
Metric Mailgun Customer.io
Current Status Operational Operational
Uptime (19-day) 100% 89.47%
Days with Issues 0 2
Feed Type Statuspage Statuspage
Status Page View → View →

Mailgun vs Customer.io: Reliability Comparison

Choosing between Mailgun 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 19 days, Mailgun has maintained 100% uptime with 0 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.