Postmark vs SendGrid: Reliability Comparison

	P Postmark	S SendGrid
Current Status	Operational Best	Degraded
Uptime (30d)	N/A	15.171% Best
Uptime (90d)	N/A	77.181% Best
MTTR	N/A	25.8 hrs Best
Incidents (30d)	0 Best	296
Incidents (90d)	0 Best	308
Reliability Score	100.0/100 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, Postmark or SendGrid?

Based on our monitoring data, Postmark is currently more reliable than SendGrid. Postmark has a reliability score of 100.0/100 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, Postmark or SendGrid?

Over the last 30 days, SendGrid has a higher uptime of 15.171% compared to Postmark's N/A. We check both services every 5 minutes from multiple global regions.

Is Postmark more stable than SendGrid?

Postmark has been more stable over the past 90 days with 0 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.

Postmark vs SendGrid

Recent Incidents

Frequently Asked Questions

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