Minor incident

Twilio: SMS Delivery Failures from Twilio to KDDI Japan

Affected: SMS, APAC

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Nov 1, 2026, 20:30 UTC
   investigating
   Twilio customers may be experiencing SMS delivery failures from Twilio to KDDI network subscribers in Japan. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
2. Nov 1, 2026, 20:37 UTC
   identified
   Twilio customers may be experiencing SMS delivery failures from Twilio to KDDI network subscribers in Japan. 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.
3. Nov 1, 2026, 21:37 UTC
   identified
   Twilio customers may be experiencing SMS delivery failures from Twilio to KDDI network subscribers in Japan. 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.
4. Nov 1, 2026, 22:34 UTC
   monitoring
   We have observed a recovery in SMS delivery from Twilio to KDDI network subscribers in Japan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
5. Nov 2, 2026, 00:37 UTC
   resolved
   The incident has been resolved and SMS delivery from Twilio to KDDI network subscribers in Japan is operating normally.

Updates as published by Twilio (original).