SMS Delivery Failures From a Subset of Twilio Short Codes to Verizon United States

Incident

May 10, 12:31pm

SMS Delivery Failures From a Subset of Twilio Short Codes to Verizon United States

Status: closed

Start: May 10, 8:21am

End: May 10, 12:31pm

Duration: 4 hours 9 minutes

Affected Components:

3rd Party Providers Twilio SMS Short Code, North America

Investigating

May 10, 8:21am

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Investigating

May 10, 9:22am

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Identified

May 10, 11:27am

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Verizon network subscribers in the United States. 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.

Monitoring

May 10, 12:30pm

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

Resolved

May 10, 12:31pm

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Verizon network subscribers in the United States is operating normally.