Stack Health Score
Score = 30-day uptime − penaltiesLatency >500ms: −2 | >1000ms: −5
Outages this month: −2 each
Degradations this month: −1 each
Uptime · Latency · Incidents
100.00%
UptimePercentage of time the API was available.
Only DOWN status impacts this metric.
376ms
Avg Latency
1,000+
APIs monitored
0
Outages
0
Degradations
This Month
About Postmark's Postmark API
Postmark's Postmark API delivers transactional emails with high deliverability and detailed open and click tracking. Postmark was founded in 2009 and focuses exclusively on fast transactional email delivery.. The Postmark API is used by developers worldwide for transactional email, delivery tracking, open rate monitoring, bounce management, email templates.
Probecast monitors the Postmark API from 4 global regions (US West, US East, Europe, Asia Pacific) every 300 minutes, tracking uptime, latency and regional availability. Our real-time monitoring helps developers and teams understand the current health of Postmark's Postmark API and get alerted the moment service degrades.
Why monitor Postmark API?
If your product depends on Postmark API for critical features, an outage on Postmark's side is an outage on your product. Probecast detects Postmark API incidents before your users do, giving you time to communicate with customers, fall back to alternative services or pause background jobs gracefully.
Current status
As of the latest check, Postmark API is operational. The 30-day uptime is 100.00%, with 0 incidents recorded this month. Average response latency across all regions is 376ms.
●Uptime History
Regional Status
US West
249ms
latency
US East
227ms
latency
Europe
361ms
latency
Asia Pacific
668ms
latency
Latency (24h)
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Frequently Asked Questions
Recent Incidents
No incidents recorded
This API has been stable
API Information
Monitored Endpoint
https://api.postmarkapp.com/server