Outage in Twilio
SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to Chunghwa Taiwan
Minor
July 17, 2026 - Started about 18 hours ago
Official incident page
Official incident page
Incident Report
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. 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 )
IDENTIFIED
about 2 hours ago - at 07/18/2026 05:18AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.
IDENTIFIED
about 10 hours ago - at 07/17/2026 09:17PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
IDENTIFIED
about 15 hours ago - at 07/17/2026 05:12PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
IDENTIFIED
about 17 hours ago - at 07/17/2026 03:10PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
IDENTIFIED
about 18 hours ago - at 07/17/2026 02:10PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
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