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Twilio

SMS Delivery Delays from Twilio to Vivacom Bulgaria

Minor Impact Resolved Duration: 4h 34m August 22, 2026

Incident Lifecycle

Investigating Investigating Identified Monitoring
Affected Components
SMS, Europe

Incident Timeline

Monitoring
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.
Aug 22, 2026 at 6:14 PM UTC
Identified
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.
Aug 22, 2026 at 6:13 PM UTC
Investigating
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.
Aug 22, 2026 at 4:21 PM UTC
Investigating
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.
Aug 22, 2026 at 3:20 PM UTC
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