OneSignal incident

Subscription API - Creation Failures

Resolved after 25 minutes, affecting APIs & SDK Endpoints, on September 22, 2026.

monitoring Sep 22, 2026, 09:19 PM UTC

We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness.

Started
Sep 22, 2026, 09:05 PM UTC
Resolved
Sep 22, 2026, 09:30 PM UTC
Duration
25m
Detected by Pingoru
Sep 22, 2026, 09:05 PM UTC

Affected components

APIs & SDK Endpoints

Update timeline

  1. investigating Sep 22, 2026, 09:05 PM UTC

    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. monitoring Sep 22, 2026, 09:19 PM UTC

    We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness.

  3. resolved Sep 22, 2026, 09:30 PM UTC

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

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