Klaviyo vs MailerSend
Side-by-side reliability comparison based on real-time monitoring data over the last 19 days.
Klaviyo
Marketing automation platform specializing in email and SMS marketing for e-commerce brands with advanced segmentation and analytics.
OperationalMailerSend
Transactional email service for developers with email API, SMTP relay, and email verification.
Operational| Metric | Klaviyo | MailerSend |
|---|---|---|
| Current Status | Operational | Operational |
| Uptime (19-day) | 100% | 85.71% |
| Days with Issues | 0 | 1 |
| Feed Type | Statuspage | Statuspage |
| Status Page | View → | View → |
Klaviyo vs MailerSend: Reliability Comparison
Choosing between Klaviyo and MailerSend? 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, Klaviyo has maintained 100% uptime with 0 days of issues, while MailerSend has achieved 85.71% uptime with 1 day 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.