Twilio incident
SMS Delivery Delays and Failures from Twilio Phone Numbers to Yettel Bulgaria
Twilio experienced a minor incident on June 30, 2026 affecting SMS, Europe, lasting 5h 38m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 30, 2026, 12:03 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from Twilio Phone Numbers to Yettel network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Jun 30, 2026, 12:17 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from Twilio Phone Numbers to Yettel network subscribers in Bulgaria. 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.
- identified Jun 30, 2026, 01:17 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from Twilio Phone Numbers to Yettel network subscribers in Bulgaria. 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.
- monitoring Jun 30, 2026, 01:36 PM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to Yettel network subscribers in Bulgaria and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Jun 30, 2026, 03:41 PM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to Yettel network subscribers in Bulgaria and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- resolved Jun 30, 2026, 05:41 PM UTC
The incident has been resolved and SMS delivery from Twilio Phone Numbers to Yettel network subscribers in Bulgaria is operating normally.