Changes / OneSignal / Subscription API - Creation Failures
OneSignal: Major incident: Subscription API - Creation Failures
Summary
OneSignal’s Subscription API had a major outage preventing all customers from creating new subscriptions from 2026-09-22 21:05 UTC to 2026-09-22 21:30 UTC, lasting 25 min. A mitigation was applied at 21:19 UTC, and OneSignal confirmed all impacted systems were operating normally at resolution.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: Subscription API - Creation Failures
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-09-22 21:05 UTC
Before: not present
After: 2026-09-22 21:30 UTC
Before: not present
After: 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
Before: not present
After: We have applied a mitigation that should resolve the impact. We are monitoring to confirm effectiveness.
Before: not present
After: The issue has been resolved. All impacted systems are now operating normally.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Subscription API - Creation Failures (this change) OneSignal’s Subscription API had a major outage preventing all customers from creating new subscriptions from 2026-09-22 21:05 UTC to 2026-09-22 21:30 UTC, lasting 25 min. A mitigation was applied at 21:19 UTC, and OneSignal confirmed all impacted systems were operating normally at resolution. | Major incident |
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