OneSignal experienced a minor incident on September 22, 2026 affecting APIs & SDK Endpoints, lasting 25m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 22, 2026, 09:05 PM UTC
Status: 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 Affected components APIs & SDK Endpoints (Partial outage)
- monitoring Sep 22, 2026, 09:19 PM UTC
Status: Monitoring We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness. Affected components APIs & SDK Endpoints (Partial outage)
- resolved Sep 22, 2026, 09:30 PM UTC
Status: Resolved The issue has been resolved. All impacted systems are now operating normally. Affected components APIs & SDK Endpoints (Operational)