# SendGrid: SMS Delivery Failures from Twilio to KDDI Japan

> SendGrid reports SMS delivery failures to KDDI network subscribers in Japan. The APAC SMS and carrier network components are affected. SendGrid has identified the cause and sees a recovery. SendGrid monitors service stability.

- Provider: [SendGrid](https://outages.cc/sendgrid.md)
- Type: Incident
- State: monitoring
- Worst impact: Degraded performance
- Started: 2026-11-01 20:30 UTC
- Components: SMS, APAC, CARRIER NETWORK - SMS, APAC
- Official update: https://stspg.io/xv9ztqr6xcpc

## Updates from SendGrid

### monitoring, 2026-11-01 22:36 UTC

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.

### identified, 2026-11-01 21:39 UTC

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.

### identified, 2026-11-01 20:39 UTC

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.

### investigating, 2026-11-01 20:33 UTC

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.