Twilio incident

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico

Minor Resolved View vendor source →

Twilio experienced a minor incident on September 20, 2026 affecting SMS Long Code, North America and SMS Short Code, North America and 1 more component, lasting 5d 4h. The incident has been resolved; the full update timeline is below.

Started
Sep 20, 2026, 05:47 PM UTC
Resolved
Sep 25, 2026, 10:46 PM UTC
Duration
5d 4h
Detected by Pingoru
Sep 20, 2026, 05:47 PM UTC

Affected components

SMS Long Code, North AmericaSMS Short Code, North AmericaSMS Toll-Free, North AmericaSMS Toll-Free, North AmericaSMS, Latin America

Update timeline

  1. investigating Sep 20, 2026, 05:47 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

  2. investigating Sep 20, 2026, 06:47 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

  3. investigating Sep 20, 2026, 08:54 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Liberty Mobile network subscribers in Puerto Rico. 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.

  4. identified Sep 21, 2026, 12:55 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

  5. identified Sep 21, 2026, 01:56 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

  6. monitoring Sep 21, 2026, 03:57 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile 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.

  7. monitoring Sep 21, 2026, 05:59 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  8. monitoring Sep 21, 2026, 10:00 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  9. identified Sep 21, 2026, 06:01 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

  10. identified Sep 21, 2026, 07:03 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Liberty Mobile network subscribers in Puerto Rico. 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.

  11. identified Sep 21, 2026, 09:04 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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.

  12. identified Sep 22, 2026, 01:12 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Liberty Mobile network subscribers in Puerto Rico. 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 8 hours or as soon as more information becomes available.

  13. monitoring Sep 22, 2026, 05:14 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile 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.

  14. monitoring Sep 22, 2026, 07:14 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio Phone Numbers to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  15. monitoring Sep 22, 2026, 11:15 AM UTC

    We have observed a recovery in SMS delivery receipts from Twilio Phone Numbers to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  16. identified Sep 22, 2026, 05:38 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Liberty Mobile network subscribers in Puerto Rico. 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.

  17. monitoring Sep 22, 2026, 06:45 PM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Liberty Mobile 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.

  18. monitoring Sep 22, 2026, 08:45 PM UTC

    We have observed a recovery in SMS delivery receipts from Twilio Phone Numbers to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  19. identified Sep 22, 2026, 10:19 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short 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.

  20. monitoring Sep 22, 2026, 11:21 PM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile 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.

  21. monitoring Sep 23, 2026, 01:31 AM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  22. monitoring Sep 23, 2026, 07:10 AM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  23. monitoring Sep 23, 2026, 03:11 PM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

  24. monitoring Sep 24, 2026, 07:11 AM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  25. monitoring Sep 25, 2026, 07:22 AM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  26. resolved Sep 25, 2026, 10:46 PM UTC

    The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to Liberty Mobile network subscribers in Puerto Rico are operating normally.