SMS Delivery Delays from Twilio to KDDI Corporation Japan

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from Twilio to KDDI Corporation network subscribers in Japan is operating normally.

Posted Aug 15, 2026 - 18:18 PDT

Update

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 4 hours or as soon as more information becomes available.

Posted Aug 15, 2026 - 17:50 PDT

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.

Posted Aug 15, 2026 - 15:50 PDT

Update

Twilio customers may be experiencing SMS delivery delays 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 16 hours or as soon as more information becomes available.

Posted Aug 15, 2026 - 15:10 PDT

Update

Twilio customers may be experiencing SMS delivery delays 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 8 hours or as soon as more information becomes available.

Posted Aug 15, 2026 - 07:09 PDT

Update

Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI Corporation network subscribers in Japan. 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.

Posted Aug 15, 2026 - 03:00 PDT

Update

Twilio customers may be experiencing SMS delivery delays 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.

Posted Aug 15, 2026 - 00:59 PDT

Identified

Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI Corporation 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.

Posted Aug 14, 2026 - 23:59 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI Corporation 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.

Posted Aug 14, 2026 - 23:58 PDT

This incident affected: CARRIER NETWORK (SMS, APAC).