Mailgun vs SendGrid: Reliability Comparison

	M Mailgun	S SendGrid
Current Status	Operational Best	Degraded
Uptime (30d)	98.605% Best	15.171%
Uptime (90d)	98.372% Best	77.181%
MTTR	2.3 hrs Best	25.8 hrs
Incidents (30d)	5 Best	296
Incidents (90d)	14 Best	308
Reliability Score	65.7/100 Best	26.1/100

Recent Incidents

SendGrid SMS Delivery Failures from a Subset of Twilio Long Codes to Bouygues Telecom France

minor · Invalid Date

investigating

minor

SendGrid Errors Impacting Real-Time Transcriptions, Conversation Relay, <Gather> Voice TwiML

minor · Invalid Date

investigating

none

SendGrid Voice Call Failures from a Subset of Twilio Phone Numbers to Hong Kong

minor · Invalid Date — Sep 12, 2026

Resolved

minor

SendGrid Voice Call Failures from Twilio Phone Numbers to Hong Kong

minor · Invalid Date — Sep 12, 2026

Resolved

minor

SendGrid Voice Call Failures from Twilio Phone Numbers to Hong Kong

minor · Invalid Date — Sep 12, 2026

Resolved

minor

SendGrid Voice Call Failures From a Subset of Twilio Phone Numbers to Hong Kong

minor · Invalid Date — Sep 12, 2026

Resolved

minor

SendGrid Voice Call Failures from a Subset of Twilio Phone Numbers to Hong Kong

minor · Invalid Date

identified

minor

SendGrid SMS Delivery Delays from Twilio Short Codes and Long Codes to Liberty Puerto Rico

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays From Twilio Short Codes and Long Codes to Liberty Puerto Rico

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio Short Codes and Long Codes to Liberty Puerto Rico

minor · Invalid Date — Sep 12, 2026

Resolved

minor

SendGrid Voice Insights Error

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid Voice Insights Console Dashboard Error

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid Video Voice Integration Test Failures

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid TwiML Bins – Service Failures

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio to Vodafone Egypt

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio to Multiple Networks in Multiple Countries Across Europe and Middle East & Africa

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio to Multiple Networks in Multiple Countries Across Europe and the Middle East & Africa

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays From Twilio to Multiple Networks in Multiple Countries Across Europe and Middle East & Africa

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio to Multiple Networks in Ireland

minor · Invalid Date — Sep 11, 2026

Resolved

minor

SendGrid SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Appalachian Wireless United States

minor · Invalid Date — Sep 11, 2026

Resolved

minor

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 65.7/100 compared to SendGrid's 26.1/100. 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 98.605% compared to SendGrid's 15.171%. 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 14 incidents compared to SendGrid's 308 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.

Mailgun vs SendGrid

Recent Incidents

Frequently Asked Questions

Related Comparisons

Monitor both Mailgun and SendGrid with Happy Uptime