SMS Delivery Failures from Twilio to Multiple Networks in China

Resolved

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

Update

Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks 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.

Investigating

Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks 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.