Outage in Twilio
SMS Delivery Delays and Failures from a Subset of Twilio Phone Numbers to Rakuten Japan
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced SMS delivery delays and failures from a subset of phone numbers to Rakuten network subscribers in Japan for 5.1 hours. The issue affected Twilio's SMS service in the APAC region, preventing reliable message delivery to users on the Rakuten mobile network. Twilio identified the root cause and restored normal SMS delivery operations.
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.
Components affected
Twilio SMS, APACTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 10 hours ago - at 05/29/2026 07:52AM
The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Rakuten network subscribers in Japan is operating normally.
MONITORING
about 12 hours ago - at 05/29/2026 06:01AM
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.
IDENTIFIED
about 12 hours ago - at 05/29/2026 06:00AM
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.
IDENTIFIED
about 14 hours ago - at 05/29/2026 04:00AM
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.
IDENTIFIED
about 15 hours ago - at 05/29/2026 02:59AM
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.
INVESTIGATING
about 15 hours ago - at 05/29/2026 02:49AM
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.
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