Outage in Postmark

API Latency and Timeout Errors

Resolved Minor
September 09, 2025 - Started about 1 month ago - Lasted about 1 month
Official incident page

Incident Report

Starting on approximately September 8th, some customers experienced intermittent latency and timeout errors for some non-sending related API endpoints. The affected endpoints during this period were primarily /messages, /suppressions,...

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Try IsDown risk-free 14-day free trial · No credit card required

Latest Postmark outages

[Scheduled] Planned Maintenance - about 1 month ago
SMTP Authentication Issues - about 1 month ago
Intermittent Inbound Email Delays - about 1 month ago

The Status Page Aggregator Built for IT Teams

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4522 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook