OneSignal incident

Delay in deliveries impacting free customers

Resolved after 46 minutes, affecting Push and Email and 1 more, on May 22, 2026.

resolved May 22, 2026, 08:23 PM UTC

The necessary mitigations have been applied and all systems are now operating normally.

Started
May 22, 2026, 07:37 PM UTC
Resolved
May 22, 2026, 08:23 PM UTC
Duration
46m
Detected by Pingoru
May 22, 2026, 07:37 PM UTC

Affected components

PushEmailSMSIn-App Messages

Update timeline

  1. investigating May 22, 2026, 07:37 PM UTC

    What’s happening: Timezone based and intelligent deliveries impacted because of backlog of messages. Who’s affected: • Any free customers using Timezone-based Delivery, Intelligent Delivery, or Retry Delivery. Current Status: We are investigating the issue and will provide an update in 30 minutes

  2. identified May 22, 2026, 07:46 PM UTC

    We've identified the root cause and are actively implementing mitigations.

  3. resolved May 22, 2026, 08:23 PM UTC

    The necessary mitigations have been applied and all systems are now operating normally.

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