# Postmark: Open Webhook Delays

- Provider: [Postmark](https://outages.live/postmark.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-08-18 14:34 UTC
- Resolved: 2026-08-19 22:12 UTC (lasted 31 h 39 min)
- Official update: https://status.postmarkapp.com/notices/vizw7qiqdyeyg8qc-open-webhook-delays

## Updates from Postmark

### resolved, 2026-08-19 22:12 UTC

The issue is now fully resolved. We are continuing to improve our systems, observability, and monitoring to prevent future occurrences. Thank you for your patience. Starting August 18th at ~9:34am CT (~14:34 UTC), Postmark experienced delays in delivering open webhook events. New open events resumed delivery on August 19th at ~8:47am CT (~13:47 UTC), and all backlogged events completed re-delivery at ~4:52pm CT (~21:52 UTC).