OneSignal incident: Message events on user and subscription profiles slow and timing out

1. resolvedJul 30, 2026, 17:32 UTC

   The issue has been resolved. All impacted systems are now operating normally.

2. investigatingJul 30, 2026, 16:52 UTC

   **What’s happening:** Loading message events on the user and subscription profiles is timing out. **Who’s affected:** • Some customers may experience slow load times or timeouts when loading message events on the user profile **Current Status:** We are investigating the issue and will provide an update in 30 minutes

What APIStatus.watch saw

Our 5-minute checks didn't record a change in OneSignal's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Grafana Cloud: PDC Authentication IssuesMajor · Jul 30, 2026, 14:45 UTC
• Smartsheet: Smartsheet Slowness and Timeout ErrorsMajor · Jul 30, 2026, 14:54 UTC
• RevenueCat: Newly created apps error with "The key is not valid or is not compatible with the Bundle ID of your app"Minor · Jul 27, 2026, 10:14 UTC

How often does OneSignal have incidents?

OneSignal reported 9 incidents in the last 90 days, 3 of them major or critical. A typical incident lasted 1h 29m. See OneSignal's uptime and incident history