Resend vs MailerSend

Side-by-side reliability comparison based on real-time monitoring data over the last 27 days.

Resend

Resend

Developer-first email API for sending transactional and marketing emails with modern DX and React Email integration.

Operational
vs
MailerSend

MailerSend

Transactional email service for developers with email API, SMTP relay, and email verification.

Operational
Metric Resend MailerSend
Current Status Operational Operational
Uptime (27-day) 80% 92.59%
Days with Issues 0 2
Feed Type Community Statuspage
Status Page View → View →

Resend vs MailerSend: Reliability Comparison

Choosing between Resend 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 27 days, Resend has maintained 80% uptime with 0 days of issues, while MailerSend has achieved 92.59% 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, Discord, or Webhooks.