OneSignal incident
Apple push notifications failing in about 3% of cases
Resolved after 2 hours 4 minutes, affecting Push, on August 4, 2026.
We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness. We will provide another update in 20 minutes.
Affected components
Update timeline
- investigating Aug 04, 2026, 05:20 PM UTC
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
- identified Aug 04, 2026, 06:45 PM UTC
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.
- monitoring Aug 04, 2026, 06:46 PM UTC
We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness. We will provide another update in 20 minutes.
- resolved Aug 04, 2026, 07:24 PM UTC
The issue has been resolved. All impacted systems are now operating normally.
Your product runs on more than OneSignal
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services