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Mailgun vs Resend

Reliability comparison based on uptime, incident history, and mean time to recovery. Updated daily.

Mailgun
Resend
Current Status Operational Operational
Uptime (30d) 94.607% 99.657% Best
Uptime (90d) 97.812% 99.787% Best
MTTR 5.3 hrs Best N/A
Incidents (30d) 1 0 Best
Incidents (90d) 6 0 Best
Reliability Score 57.9/100 95.2/100 Best
Mailgun Status → Resend Status →

Recent Incidents

Mailgun Automatic Sender Security Records Not Provisioning
minor · Invalid Date — May 7, 2026
Resolved
minor
Mailgun Elevated Timeouts for Validations
minor · Invalid Date — Apr 17, 2026
Resolved
minor
Mailgun TLS Certificate Validation Errors for Clients Without SNI
major · Invalid Date — Apr 15, 2026
Resolved
major
Mailgun Elevated 500 errors on Messages endpoint in US
minor · Invalid Date — Apr 7, 2026
Resolved
minor
Mailgun Elevated 401 errors in US Region
major · Invalid Date — Mar 19, 2026
Resolved
major
Mailgun Intermittent API Errors in US Region
major · Invalid Date — Mar 13, 2026
Resolved
major

Frequently Asked Questions

Which is more reliable, Mailgun or Resend?
Based on our monitoring data, Resend is currently more reliable than Mailgun. Resend has a reliability score of 95.2/100 compared to Mailgun's 57.9/100. This score factors in uptime percentage, mean time to recovery, incident frequency, and consistency. Monitor both services with Happy Uptime for real-time alerts.
Which has better uptime, Mailgun or Resend?
Over the last 30 days, Resend has a higher uptime of 99.657% compared to Mailgun's 94.607%. We check both services every 5 minutes from multiple global regions.
Is Mailgun more stable than Resend?
Resend has been more stable over the past 90 days with 0 incidents compared to Mailgun's 6 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.

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