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Postmark vs SendGrid

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

	P Postmark	S SendGrid
Current Status	Operational Best	Degraded
Uptime (30d)	N/A	0.000% Best
Uptime (90d)	N/A	23.843% Best
MTTR	N/A	27.9 hrs Best
Incidents (30d)	0 Best	448
Incidents (90d)	0 Best	900
Reliability Score	100.0/100 Best	35.0/100

Postmark Status → SendGrid Status →

Recent Incidents

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

minor · Invalid Date

investigating

minor

SendGrid MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States

minor · Invalid Date

investigating

minor

SendGrid Retroactive Issue with Organization Pages in New Console

minor · Invalid Date — Oct 27, 2026

Resolved

none

SendGrid Voice Call Failures from Twilio Mobile Numbers to Israel

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid Voice Call Failures from Twilio Phone Numbers to Israel

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid Voice Call Failures from Twilio Mobile Numbers to Israel

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid Gateway API (Lookup API) Failure Increase on Three in United Kingdom

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS and MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Delays and Failures from Twilio to Turkcell Turkey

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid Voice Call Failures From Twilio Phone Numbers to Germany

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid Voice Call Failures From a Subset of Twilio Phone Numbers to Multiple Networks in Germany

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid Voice Call Failures between a Subset of Twilio numbers and Multiple Networks in Germany.

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Delays and Failures Between a Subset of Twilio Long Codes and Multiple Networks in South Africa

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Delays between a Subset of Twilio Long Codes and Multiple Networks in South Africa

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Failures and Delays between a subset of Twilio Brazil Phone Numbers and Multiple Networks in Brazil

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Failures Between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil

minor · Invalid Date — Oct 27, 2026

Resolved

minor

SendGrid SMS Delivery Delays and Failures between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil

minor · Invalid Date — Oct 27, 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 35.0/100. 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 0.000% 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 900 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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