OneSignal Outage History

OneSignal had 32 outages in the last 2 years totaling 10h 52m of downtime — averaging 1.3 incidents per month.

There were 32 OneSignal outages since November 5, 2025 totaling 10h 52m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.onesignal.com

Major November 18, 2025

Cloudflare outage impacting the OneSignal Service

Detected by Pingoru: Nov 18, 2025, 12:23 PM UTC
Resolved: Nov 18, 2025, 05:44 PM UTC
Duration: 5h 20m

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Major November 12, 2025

app_ids starting with "f" not processing

Detected by Pingoru: Nov 12, 2025, 06:01 PM UTC
Resolved: Nov 12, 2025, 06:07 PM UTC
Duration: 5m

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Minor November 9, 2025

Delayed Webhook & Event Stream Delivery

Detected by Pingoru: Nov 09, 2025, 09:02 AM UTC
Resolved: Nov 09, 2025, 09:03 AM UTC
Duration: 1m

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Major November 7, 2025

Degraded subscription database performnace

Detected by Pingoru: Nov 07, 2025, 05:57 PM UTC
Resolved: Nov 07, 2025, 05:46 PM UTC
Duration: —

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Major November 6, 2025

Degraded performance for subscription database

Detected by Pingoru: Nov 06, 2025, 11:19 PM UTC
Resolved: Nov 06, 2025, 11:44 PM UTC
Duration: 24m

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Minor November 6, 2025

Notifications API is degraded

Detected by Pingoru: Nov 06, 2025, 12:18 PM UTC
Resolved: Nov 06, 2025, 03:32 PM UTC
Duration: 3h 13m

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Major November 5, 2025

Notification counts are lagging and notifications may appear stuck

Detected by Pingoru: Nov 05, 2025, 06:44 PM UTC
Resolved: Nov 05, 2025, 08:31 PM UTC
Duration: 1h 47m

Read the full incident report →