# Apple push notifications failing in about 3% of cases

- Provider: [OneSignal](https://down.guide/providers/onesignal)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 2h 4m
- started 2026-08-04 17:20 UTC
- id: DWN-16bf18433d
- Official page: https://status.onesignal.com/incidents/01KZ6WMQYFV0EDPQ48J7JTDMFX

## Updates from OneSignal
### 2026-08-04 17:20 UTC: investigating
What’s happening: Apple push notifications are failing in about 3% of cases.
"Unknown delivery error" or "APNS failed to provide a response" error responses may be seen.
Who’s affected: 
• Customers using Apple Push Notifications
 Current Status: We are investigating the issue and will provide an update in 20

### 2026-08-04 18:45 UTC: identified
We have identified the root cause and are working towards a resolution. There was a slight change in how Apple's push notification connections work.
We will provide another update in 20 minutes.

### 2026-08-04 18:46 UTC: monitoring
We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness.
We will provide another update in 20 minutes.

### 2026-08-04 19:24 UTC: resolved
The issue has been resolved. All impacted systems are now operating normally.

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