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Mailgun vs SendGrid

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

Mailgun
SendGrid
Current Status Operational Operational
Uptime (30d) 99.969% Best 88.609%
Uptime (90d) 99.956% Best 92.508%
MTTR 52 min Best 7.5 hrs
Incidents (30d) 3 Best 10
Incidents (90d) 5 Best 11
Reliability Score 93.3/100 Best 45.7/100
Mailgun Status → SendGrid Status →

Recent Incidents

SendGrid Design Editor Template Not Allowing Movement of Modules
minor · Invalid Date — Apr 23, 2026
Resolved
minor
Mailgun Elevated Timeouts for Validations
minor · Invalid Date — Apr 17, 2026
Resolved
minor
SendGrid Contact uploads being delayed - TNE Marketing Campaigns
minor · Invalid Date — Apr 17, 2026
Resolved
none
SendGrid EU located subusers unable to send emails
minor · Invalid Date — Apr 15, 2026
Resolved
none
SendGrid Customers unable to
minor · Invalid Date — Apr 15, 2026
Resolved
none
SendGrid Customers unable to
minor · Invalid Date — Apr 15, 2026
Resolved
none
SendGrid Customers unable to raise support tickets
minor · Invalid Date — Apr 15, 2026
Resolved
none
Mailgun TLS Certificate Validation Errors for Clients Without SNI
major · Invalid Date — Apr 15, 2026
Resolved
major
SendGrid Legacy Marketing Campaigns not loading for some customers
minor · Invalid Date — Apr 8, 2026
Resolved
none
Mailgun Elevated 500 errors on Messages endpoint in US
minor · Invalid Date — Apr 7, 2026
Resolved
minor
SendGrid Intermittent Account Access and Management Issues
minor · Invalid Date — Apr 6, 2026
Resolved
minor
SendGrid Product - Impact
minor · Invalid Date — Apr 6, 2026
Resolved
minor
SendGrid Billing Payment Processing Failures
minor · Invalid Date — Apr 7, 2026
Resolved
minor
Mailgun Elevated 401 errors in US Region
major · Invalid Date — Mar 19, 2026
Resolved
major
SendGrid Login Issue Cloudflare CAPTCHA Failing to Load
minor · Invalid Date — Mar 19, 2026
Resolved
minor
Mailgun Intermittent API Errors in US Region
major · Invalid Date — Mar 13, 2026
Resolved
major

Frequently Asked Questions

Which is more reliable, Mailgun or SendGrid?
Based on our monitoring data, Mailgun is currently more reliable than SendGrid. Mailgun has a reliability score of 93.3/100 compared to SendGrid's 45.7/100. 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 SendGrid?
Over the last 30 days, Mailgun has a higher uptime of 99.969% compared to SendGrid's 88.609%. We check both services every 5 minutes from multiple global regions.
Is Mailgun more stable than SendGrid?
Mailgun has been more stable over the past 90 days with 5 incidents compared to SendGrid's 11 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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