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Postmark App Api Outage History

Every past Postmark App Api outage tracked by IsDown, with detection times, duration, and resolution details.

There were 14 Postmark App Api outages since May 2025. The 14 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major March 27, 2026

March 2026: Latency and Timeouts - Web App, API for Message Data

Detected Mar 27, 2026 3:37 PM EDT · Resolved Mar 27, 2026 6:46 PM EDT · Duration about 3 hours

The Postmark App API experienced significant latency and timeout issues affecting both the web application and API endpoints for message data retrieval. This was classified as a major incident that impacted users' ability to access and retrieve message information through the platform. The service disruption lasted approximately 3.1 hours before being resolved.

Major March 26, 2026

March 2026: Billing & Subscription Management Issues

Detected Mar 26, 2026 3:01 AM EDT · Resolved Mar 26, 2026 2:21 PM EDT · Duration about 11 hours

The Postmark App API experienced major billing and subscription management issues that lasted 11.3 hours. These problems affected users' ability to manage their billing information and subscription settings through the API. The incident has been resolved, restoring full functionality to the billing and subscription management systems.

Major March 8, 2026

March 2026: Bounce Webhooks & Statistics Delays

Detected Mar 8, 2026 8:01 AM EDT · Resolved Mar 8, 2026 9:35 AM EDT · Duration about 2 hours

The Postmark App API experienced major service disruption affecting bounce webhooks and statistics processing for 1.6 hours. Users encountered delays in receiving bounce notifications and accessing updated email statistics through the API. The incident was resolved after approximately 1 hour and 36 minutes of service impact.

Major February 26, 2026

February 2026: Click Tracking Delays

Detected Feb 26, 2026 12:48 PM EST · Resolved Feb 27, 2026 8:01 AM EST · Duration about 19 hours

Postmark App API experienced major delays with click tracking functionality for 19.2 hours. The incident affected the service's ability to properly track email link clicks. The issue has been resolved and click tracking is now operating normally.

Major February 23, 2026

February 2026: Stats Delays

Detected Feb 23, 2026 12:44 PM EST · Resolved Feb 23, 2026 5:21 PM EST · Duration about 5 hours

The Postmark App API experienced a major incident involving delays in stats functionality that lasted 4.6 hours. The stats feature was significantly impacted during this period, preventing users from accessing timely statistics data. The incident has been resolved and stats functionality has been restored to normal operation.