Twilio incident

SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China

Minor Ongoing View vendor source →

Twilio is currently experiencing a minor incident affecting SMS, APAC, which began 6d ago. The vendor's full update timeline is below.

Started
Oct 09, 2026, 06:42 AM UTC
Resolved
Ongoing
Duration
● 5d 21h
Detected by Pingoru
Oct 09, 2026, 06:42 AM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating Oct 09, 2026, 06:42 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. identified Oct 09, 2026, 07:05 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. 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.

  3. identified Oct 09, 2026, 08:05 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. 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.

  4. identified Oct 09, 2026, 10:25 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to China Mobile network subscribers in China. 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.

  5. identified Oct 09, 2026, 02:31 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. 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.

  6. monitoring Oct 09, 2026, 03:35 PM UTC

    We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.