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minor✓ Resolved

SMS Delivery Delays and Failures from a Subset of Twilio Phone Numbers to Rakuten Japan

Twilio•Fri, May 29, 2026, 02:49 AM
Status
resolved
Duration
5h 5m
Updates
5
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedFri, May 29, 2026, 07:55 AM
This incident has been resolved.
monitoringFri, May 29, 2026, 06:01 AM
We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Rakuten 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.
identifiedFri, May 29, 2026, 06:00 AM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Phone Numbers to Rakuten 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.
identifiedFri, May 29, 2026, 04:00 AM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Phone Numbers to Rakuten 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.
identifiedFri, May 29, 2026, 02:59 AM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Phone Numbers to Rakuten 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.
investigatingFri, May 29, 2026, 02:49 AM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Phone Numbers to Rakuten 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
78203a68-b66b-4164-aa30-a03de0b17fe0
External ID
jwpc98v7v976
🕐 Started
Fri, May 29, 2026, 02:49 AM
🔄 Last Updated
Fri, May 29, 2026, 07:55 AM
✓ Resolved
Fri, May 29, 2026, 07:55 AM
MINOR
Impact Level
5h 5m
Total Duration
5
Status Updates
Affected Components
SMS, APAC
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