Twilio incident: SMS Delivery Delays and Delivery Receipt Delays from Twilio to Chunghwa Telecom Taiwan

Affected components

• SMS, APAC

1. monitoringOct 6, 2026, 11:13 UTC

   We have observed a recovery in SMS delivery and delivery receipts from Twilio to Chunghwa Telecom network subscribers in Taiwan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

2. identifiedOct 6, 2026, 10:42 UTC

   Twilio customers may be experiencing SMS delivery delays and SMS delivery receipt delays from Twilio to Chunghwa Telecom 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.

3. identifiedOct 6, 2026, 09:39 UTC

   Twilio customers may be experiencing SMS delivery delays and SMS delivery receipt delays from Twilio to Chunghwa Telecom 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.

4. investigatingOct 6, 2026, 09:33 UTC

   Twilio customers may be experiencing SMS delivery delays and SMS delivery receipt delays from Twilio to Chunghwa Telecom network subscribers in Taiwan. Our team is actively investigating this 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.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Twilio's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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How often does Twilio have incidents?

Twilio reported 497 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 5h 44m. See Twilio's uptime and incident history