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INCIDENT RESOLVED
Twilio
✓Event Streams Service Disruption
Updated
Resolved
13:44Started
2Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio has confirmed a minor Event Streams disruption affecting a subset of mail-send-related events. Delayed events are still being restored, and some duplicate events may have occurred during a brief window.
What users experienced
- User impact
Customers may experience delays in Delivered, Deferred, Bounce, Spam Report, and related events across Email Activity, Marketing Campaigns, Group Unsubscribes, and Event Webhooks. Some duplicate events may also appear for a few minutes.
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Started
13:4424 Sep 2026Timeline of the incident
-
Detection
Confirmed by an official service source.
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Resolution
The service is no longer reporting this incident as active.
What we know
- ✓Twilio reported an Event Streams service interruption and initially warned of possible event data loss or delivery delays.
- ✓Twilio later identified delayed mail-send-related events affecting several Event Streams components.
- ✓Twilio reported that email statistics for new mail received after 12:15 PM PT were not impacted and that no event data was lost.
- ✓Twilio reported that a small subset of events delayed from 12:12 PM PT was still being restored, with possible duplicate events around 12:13 PM PT.