Postmark API

Postmark API

OperationalLast checked:

Email·Postmark

Stack Health Score

Score = 30-day uptime − penalties
Latency >500ms: −2 | >1000ms: −5
Outages this month: −2 each
Degradations this month: −1 each
100.0/100

Uptime · Latency · Incidents

100.00%

UptimePercentage of time the API was available.
Only DOWN status impacts this metric.

352ms

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 352ms.

Uptime History

28-day uptime100.00%
28 days ago
Operational
Degraded
Down
Yesterday

Regional Status

🇺🇸

US West

Operational

230ms

latency

🇺🇸

US East

Operational

217ms

latency

🇪🇺

Europe

Operational

317ms

latency

🌏

Asia Pacific

Operational

645ms

latency

Latency (24h)

Avg: 234ms
Limit: 5000ms
Min: 172ms
Max: 542ms
542ms271ms0ms
08:01 PM12:06 AM
Last response:
HTTP 401
Showing data from OregonPrimary monitoring node location. See all 4 regions above for regional availability.

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Frequently Asked Questions

Recent Incidents

No incidents recorded

This API has been stable

API Information

Monitored Endpoint

GEThttps://api.postmarkapp.com/server

Provider

Postmark

Category

Email

Health Check

GET request

Check Interval

Every 5 minutes

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