Zingle incident
SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Small Carriers in United States
Zingle experienced a minor incident on August 24, 2026, lasting 8d 13h. The incident has been resolved; the full update timeline is below.
Update timeline
- monitoring Aug 24, 2026, 11:14 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.
- monitoring Aug 24, 2026, 11:18 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.
- monitoring Aug 25, 2026, 12:20 AM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.
- monitoring Aug 25, 2026, 02:23 AM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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 Aug 25, 2026, 06:25 AM UTC
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Aug 25, 2026, 08:33 AM UTC
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Small Carriers network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring Aug 25, 2026, 12:20 PM UTC
The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to network subscribers on affected networks in the United States are operating normally.