Major incident

OneSignal: Subscription API - Creation Failures

Current status of OneSignal: Operational — live OneSignal status

Timeline

1. Sep 22, 2026, 21:05 UTC
   investigating
   **What’s happening:** Customers are unable to create new subscriptions **Who’s affected:** All customers trying to create new subscriptions **Current Status:** We are investigating the issue
2. Sep 22, 2026, 21:19 UTC
   monitoring
   We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness.
3. Sep 22, 2026, 21:30 UTC
   resolved
   The issue has been resolved. All impacted systems are now operating normally.

Updates as published by OneSignal.