Twilio incident
SMS Delivery Delays and Failures From a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz Pakistan
Twilio experienced a minor incident on April 27, 2026 affecting SMS, APAC, lasting 10h 34m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Apr 27, 2026, 09:29 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Apr 27, 2026, 09:34 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan. 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 Apr 27, 2026, 10:35 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan. 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 Apr 27, 2026, 10:46 PM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Apr 28, 2026, 08:04 AM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to Jazz network subscribers in Pakistan is operating normally.