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Postmark vs SendGrid

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

Postmark
SendGrid
Current Status Operational Operational
Uptime (30d) N/A 86.561% Best
Uptime (90d) N/A 89.212% Best
MTTR N/A 15.2 hrs Best
Incidents (30d) 0 Best 13
Incidents (90d) 0 Best 22
Reliability Score 100.0/100 Best 44.7/100
Postmark 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
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
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
SendGrid Legacy Marketing Campaigns not loading for some customers
minor · Invalid Date — Apr 8, 2026
Resolved
none
SendGrid Intermittent Account Access and Management Issues
minor · Invalid Date — Apr 6, 2026
Resolved
minor
SendGrid Product - Impact
minor · Invalid Date — Apr 6, 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 44.7/100. 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 86.561% 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 22 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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