Twilio incident
SMS Delivery Delays from Twilio Phone Numbers to MTS Kazakhstan
Twilio experienced a minor incident on June 4, 2026 affecting SMS, APAC, lasting 3h 2m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 04, 2026, 10:27 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to MTS network subscribers in Kazakhstan. 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 04, 2026, 10:39 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to MTS network subscribers in Kazakhstan. 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 Jun 04, 2026, 10:44 PM UTC
We have observed a recovery in SMS delivery from Twilio to MTS network subscribers in Kazakhstan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Jun 05, 2026, 12:45 AM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTS network subscribers in Kazakhstan and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- resolved Jun 05, 2026, 01:29 AM UTC
The incident has been resolved and SMS delivery from Twilio Phone Numbers to MTS network subscribers in Kazakhstan is operating normally.