Twilio incident
MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States
Twilio experienced a minor incident on August 18, 2026 affecting MMS Long Code, North America, lasting 6h 21m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 18, 2026, 08:09 PM UTC
Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to C-Spire network subscribers 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.
- identified Aug 18, 2026, 08:11 PM UTC
Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to C-Spire network subscribers 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.
- identified Aug 18, 2026, 09:13 PM UTC
Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to C-Spire network subscribers in the United States. 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.
- monitoring Aug 18, 2026, 10:54 PM UTC
We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to C-Spire network subscribers 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 19, 2026, 12:55 AM UTC
We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to C-Spire 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.
- resolved Aug 19, 2026, 02:30 AM UTC
The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to C-Spire network subscribers in the United States is operating normally.