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minor✓ Resolved

SMS Delivery Delays from Twilio to KDDI Japan

Twilio•Sat, Aug 15, 2026, 06:58 AM
Status
resolved
Duration
18h 22m
Updates
8
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedSun, Aug 16, 2026, 01:20 AM
This incident has been resolved.
monitoringSun, Aug 16, 2026, 12:50 AM
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.
monitoringSat, Aug 15, 2026, 10:50 PM
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.
identifiedSat, Aug 15, 2026, 10:10 PM
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.
identifiedSat, Aug 15, 2026, 02:09 PM
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.
identifiedSat, Aug 15, 2026, 10:00 AM
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.
identifiedSat, Aug 15, 2026, 07:59 AM
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.
identifiedSat, Aug 15, 2026, 06:59 AM
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.
investigatingSat, Aug 15, 2026, 06:58 AM
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.

📊 TECHNICAL DETAILS

Internal ID
e1be09dc-cd91-4756-a780-f8e38e750018
External ID
vfprmt1kwpz9
🕐 Started
Sat, Aug 15, 2026, 06:58 AM
🔄 Last Updated
Sun, Aug 16, 2026, 01:20 AM
✓ Resolved
Sun, Aug 16, 2026, 01:20 AM
MINOR
Impact Level
18h 22m
Total Duration
8
Status Updates
Affected Components
SMS, APAC
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