Twilio incident
SMS Delivery Receipt Delays from Twilio to H3G United Kingdom
Twilio experienced a minor incident on September 1, 2026 affecting SMS, Europe, lasting 20h 8m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 01, 2026, 08:20 AM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to H3G network subscribers in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Sep 01, 2026, 09:21 AM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to H3G network subscribers in the United Kingdom. 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 Sep 01, 2026, 10:26 AM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to H3G network subscribers in the United Kingdom. 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.
- identified Sep 01, 2026, 12:53 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to H3G network subscribers in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- identified Sep 01, 2026, 04:02 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to H3G network subscribers in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Sep 01, 2026, 05:03 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to H3G network subscribers in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
- identified Sep 01, 2026, 07:06 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to H3G network subscribers in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring Sep 01, 2026, 10:21 PM UTC
We have observed a recovery in SMS delivery receipts from Twilio to H3G network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Sep 02, 2026, 12:22 AM UTC
We have observed a recovery in SMS delivery receipts from Twilio to H3G network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring Sep 02, 2026, 04:24 AM UTC
We have observed a recovery in SMS delivery receipts from Twilio to H3G network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
- resolved Sep 02, 2026, 04:28 AM UTC
The incident has been resolved and SMS delivery receipts from Twilio to H3G network subscribers in the United Kingdom is operating normally.