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

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	25.697% Best
Uptime (90d)	N/A	79.848% Best
MTTR	N/A	24.2 hrs Best
Incidents (30d)	0 Best	269
Incidents (90d)	0 Best	281
Reliability Score	100.0/100 Best	30.3/100

Postmark Status → SendGrid Status →

Recent Incidents

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

minor · Invalid Date

identified

minor

SendGrid User Authentication Identity SNA Failure Increase in Indonesia

minor · Invalid Date

identified

minor

SendGrid SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to Iliad Italy

minor · Invalid Date — Sep 10, 2026

Resolved

minor

SendGrid SMS Delivery Receipt Delays From a Subset of Twilio Long Codes to Iliad Italy

minor · Invalid Date — Sep 10, 2026

Resolved

minor

SendGrid SMS Delivery Failures from a Subset of Twilio Long Codes to Iliad Italy

minor · Invalid Date

identified

minor

SendGrid On Call Engineers are Investigating an issue related to tx-billing-events-api

minor · Invalid Date — Sep 10, 2026

Resolved

none

SendGrid SMS Delivery Failures From a Subset of Twilio Short Codes and Long Codes to AT&T United States

minor · Invalid Date — Sep 9, 2026

Resolved

minor

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

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid Voice Call Failures from a Subset of Twilio Phone Numbers to Verizon Network in United States

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid Voice Call Failures from a Subset of Twilio Phone Numbers to Verizon United States

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid Provisioning Status Not Being Available for Branded Calling

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid SMS Delivery Delays From a Subset of Twilio Long Codes to Claro Brazil

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid SMS Delivery Delays from a Subset of Twilio Long Codes to Claro Brazil

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio Short Codes to Multiple Networks in United States

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid OneConsole – Voice 'Try It Out' Service Interruption

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid New Twilio Console – Voice 'Try It Out' Service Interruption

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid SMS Delivery Delays from Twilio to Pelephone Israel

minor · Invalid Date — Sep 9, 2026

Resolved

minor

SendGrid SMS Delivery Delays from a Subset of Twilio Short Codes to C-spire and Dish United States

minor · Invalid Date — Sep 8, 2026

Resolved

minor

SendGrid SMS Delivery Delays From a Subset of Twilio Short Codes to C-spire and Dish United States

minor · Invalid Date — Sep 8, 2026

Resolved

minor

SendGrid SMS Delivery Delays from a Subset of Twilio Short Codes to C-spire and Dish United States

minor · Invalid Date — Sep 8, 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 30.3/100. 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 25.697% 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 281 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.

Monitor both Postmark 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