Twilio incident
SMS Delivery Failures from a Subset of Twilio Toll-Free Numbers to Multiple Networks in United States
Resolved after 7 hours 54 minutes, affecting SMS Toll-Free, North America and SMS Toll-Free, North America, on May 12, 2026.
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
Affected components
Update timeline
- investigating May 12, 2026, 07:03 AM UTC
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified May 12, 2026, 07:41 AM UTC
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified May 12, 2026, 08:43 AM UTC
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified May 12, 2026, 10:49 AM UTC
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring May 12, 2026, 02:50 PM UTC
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
- resolved May 12, 2026, 02:58 PM UTC
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
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