minor✓ Resolved

SMS Delivery Failures from Twilio to KDDI Japan

Twilio•2026-11-01 20:30 UTC

Status

resolved

Duration

4h 8m

Updates

Coverage

0 articles

INCIDENT TIMELINE

✓ Resolved2026-11-02 00:37 UTC

This incident has been resolved.

resolved2026-11-02 00:37 UTC

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

monitoring2026-11-01 22:34 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.

identified2026-11-01 21:37 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.

identified2026-11-01 20:37 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.

investigating2026-11-01 20:30 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.

📊 TECHNICAL DETAILS

Internal ID

5dc0a2b1-cdfe-43ea-8f71-d74dd309eecd

External ID

3cdw1jrt88l2

🕐 Started

2026-11-01 20:30 UTC

🔄 Last Updated

2026-11-02 00:37 UTC

✓ Resolved

2026-11-02 00:37 UTC

MINOR

Impact Level

4h 8m

Total Duration

Status Updates

Affected Components

SMS, APAC

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