Twilio incident
SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Liberty Mobile Puerto Rico
Twilio experienced a minor incident on May 21, 2026 affecting SMS, Latin America, lasting 5h 7m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 21, 2026, 10:10 AM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty Mobile network subscribers in Puerto Rico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- investigating May 21, 2026, 11:10 AM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty Mobile network subscribers in Puerto Rico. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified May 21, 2026, 01:07 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Liberty Mobile network subscribers in Puerto Rico. 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.
- monitoring May 21, 2026, 02:09 PM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to Liberty network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved May 21, 2026, 03:17 PM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Short Codes and Long Codes to Liberty Mobile network subscribers in Puerto Rico is operating normally.