SMS Delivery Receipt Delays from Twilio to Multiple Networks in United Kingdom

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery receipts from Twilio to network subscribers on affected networks in the United Kingdom are operating normally.
Posted Apr 22, 2026 - 06:19 PDT

Monitoring

We have observed a recovery in SMS delivery receipts from Twilio to network subscribers on multiple networks 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.
Posted Apr 22, 2026 - 06:15 PDT

Identified

Twilio customers may be experiencing Delivery Receipt Delays from Twilio to multiple networks 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.
Posted Apr 22, 2026 - 05:11 PDT

Update

Twilio customers may be experiencing SMS delivery delays from Twilio to multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Apr 22, 2026 - 04:38 PDT

Update

Twilio customers may be experiencing SMS delivery receipt delays from Twilio to multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Apr 22, 2026 - 04:35 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays from Twilio to multiple networks in the United Kingdom. Our team is actively investigating this 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.
Posted Apr 22, 2026 - 03:33 PDT
This incident affected: CARRIER NETWORK (SMS, Europe).