Twilio incident
SMS Delivery Receipt Delays from Twilio to Mauritel Mauritania
Twilio experienced a minor incident on September 5, 2026 affecting SMS, Middle East & Africa, lasting 21h 31m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 05, 2026, 10:33 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Mauritel network subscribers in Mauritania. 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.
- investigating Sep 05, 2026, 11:33 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Mauritel network subscribers in Mauritania. Our team is actively investigating this 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.
- investigating Sep 06, 2026, 01:39 AM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Mauritel network subscribers in Mauritania. Our team is actively investigating this 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.
- investigating Sep 06, 2026, 05:44 AM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Mauritel network subscribers in Mauritania. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
- investigating Sep 06, 2026, 01:45 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Mauritel network subscribers in Mauritania. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.
- identified Sep 06, 2026, 01:56 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Mauritel network subscribers in Mauritania. 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 Sep 06, 2026, 02:02 PM UTC
We have observed a recovery in SMS delivery receipts from Twilio to Mauritel network subscribers in Mauritania and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Sep 06, 2026, 04:03 PM UTC
We have observed a recovery in SMS delivery receipts from Twilio to Mauritel network subscribers in Mauritania and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- resolved Sep 06, 2026, 08:05 PM UTC
The incident has been resolved and SMS delivery receipts from Twilio to Mauritel network subscribers in Mauritania are operating normally.