Twilio incident
SMS Delivery Delays from Twilio to Vivacom Bulgaria
Twilio experienced a minor incident on August 22, 2026 affecting SMS, Europe, lasting 4h 35m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 22, 2026, 03:20 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom 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.
- investigating Aug 22, 2026, 04:21 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified Aug 22, 2026, 06:13 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom 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.
- monitoring Aug 22, 2026, 06:14 PM UTC
We have observed a recovery in SMS delivery from Twilio to Vivacom 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.
- resolved Aug 22, 2026, 07:55 PM UTC
The incident has been resolved and SMS delivery from Twilio to Vivacom network subscribers in Bulgaria is operating normally.