OneSignal outage: Subscription API - Creation Failures

1. resolvedSep 22, 2026, 21:30 UTC

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

2. monitoringSep 22, 2026, 21:19 UTC

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

3. investigatingSep 22, 2026, 21:05 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

What APIStatus.watch saw

• Sep 22, 2026, 21:30 UTCoperational → partial outage
• Sep 22, 2026, 21:35 UTCpartial outage → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Grafana Cloud: IRM Access Issues for a Small Group of UsersMajor · Sep 22, 2026, 14:57 UTC
• Amplitude: Snowflake Data Share export delivery issueMajor · Sep 22, 2026, 18:49 UTC
• Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Hong KongMinor · Sep 12, 2026, 00:16 UTC
• Twilio: SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto RicoMinor · Sep 20, 2026, 17:47 UTC
• Twilio: Voice Call Post Dial Delay from Twilio Phone Numbers to Jazz PakistanMinor · Sep 21, 2026, 06:10 UTC
• Linode: Emerging Service Issue - Cloud Manager and APIMinor · Sep 21, 2026, 17:13 UTC
• Akamai: Increased latency during upstream provider maintenance in Singapore, Hong Kong, and JapanMinor · Sep 22, 2026, 00:30 UTC
• Akamai: Origin Server Connectivity Issues with Elevated Errors in APAC RegionMinor · Sep 22, 2026, 14:28 UTC
• OVHcloud: [WAW1][Compute - Instance] - Compute Instance Incident NotificationMinor · Sep 22, 2026, 15:45 UTC
• OVHcloud: [WAW][Storage] - Block Storage Incident NotificationMinor · Sep 22, 2026, 16:32 UTC

How often does OneSignal have incidents?

OneSignal reported 9 incidents in the last 90 days, 3 of them major or critical. A typical incident lasted 1h 29m. See OneSignal's uptime and incident history