Home/ Is It Down?/ email/ Mailgun vs SendGrid

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) 94.607% Best 87.783%
Uptime (90d) 97.812% Best 89.801%
MTTR 5.3 hrs Best 15.2 hrs
Incidents (30d) 1 Best 12
Incidents (90d) 6 Best 22
Reliability Score 57.9/100 Best 45.1/100
Mailgun Status → SendGrid Status →

Recent Incidents

SendGrid Sender Engagement Quality (SEQ) API Endpoint Degraded
minor · Invalid Date — May 14, 2026
Resolved
minor
SendGrid SendGrid - Multiple components down for email users.
minor · Invalid Date — May 13, 2026
Resolved
none
SendGrid SendGrid - Subset to email services experiencing 5xx errors
minor · Invalid Date — May 13, 2026
Resolved
none
SendGrid Teammates invited to SendGrid are prompted to create new Unified accounts instead of joining the inviting one
minor · Invalid Date — May 12, 2026
Resolved
minor
SendGrid Teammates invited to SendGrid are prompted to create standalone Unified accounts instead of joining the inviting one
minor · Invalid Date — May 12, 2026
Resolved
minor
SendGrid Mail Delay
minor · Invalid Date — May 8, 2026
Resolved
none
SendGrid Incorrect Tax Amount in Invoices
minor · Invalid Date — May 6, 2026
Resolved
minor
Mailgun Automatic Sender Security Records Not Provisioning
minor · Invalid Date — May 7, 2026
Resolved
minor
SendGrid Delays in Legacy Marketing Campaign Reporting
minor · Invalid Date — Apr 30, 2026
Resolved
minor
SendGrid Delayed Engagement Data on Customer Records in Legacy Marketing
minor · Invalid Date — Apr 30, 2026
Resolved
minor
SendGrid Delays with Contact Engagement Tracking and Segmentation in Legacy Marketing
minor · Invalid Date — May 5, 2026
Resolved
minor
SendGrid Delays with Contact Engagement Tracking and Segmentation in Legacy Marketing
minor · Invalid Date — May 5, 2026
Resolved
minor
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

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 57.9/100 compared to SendGrid's 45.1/100. 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 94.607% compared to SendGrid's 87.783%. 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 6 incidents compared to SendGrid's 22 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.

Related Comparisons

Mailgun vs Postmark Postmark vs SendGrid Mailgun vs Resend Resend vs SendGrid

Monitor both Mailgun and SendGrid with Happy Uptime

Instant alerts when services go down. Dependency tracking, AI incident analysis, and status pages. Free to start.

Start Free Monitoring