Minor impactResolvedCommunication

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

SendGrid reported this minor-impact incident on its official status page on Sep 20, 2026, 17:47 UTC. It was resolved after 5d 4h.

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Sep 20, 2026, 17:47 UTC
started
Sep 25, 2026, 22:46 UTC
resolved
5d 4h
duration
Minor
impact

Affected components

  • SMS Short Code, North America
  1. resolvedSep 25, 2026, 22:46 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.

  2. monitoringSep 25, 2026, 07:22 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.

  3. monitoringSep 24, 2026, 07:11 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.

  4. monitoringSep 23, 2026, 15:11 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.

  5. monitoringSep 23, 2026, 07:10 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.

  6. monitoringSep 23, 2026, 01:31 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.

  7. monitoringSep 22, 2026, 23:21 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.

  8. identifiedSep 22, 2026, 22:19 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.

  9. monitoringSep 22, 2026, 20:45 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.

  10. monitoringSep 22, 2026, 18:45 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.

  11. identifiedSep 22, 2026, 17:38 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.

  12. monitoringSep 22, 2026, 11:15 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.

  13. monitoringSep 22, 2026, 07:14 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.

  14. monitoringSep 22, 2026, 05:14 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.

  15. identifiedSep 22, 2026, 01:12 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.

  16. identifiedSep 21, 2026, 21:04 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.

  17. identifiedSep 21, 2026, 19:03 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.

  18. identifiedSep 21, 2026, 18:01 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.

  19. monitoringSep 21, 2026, 10:00 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.

  20. monitoringSep 21, 2026, 05:59 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.

  21. monitoringSep 21, 2026, 03:57 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.

  22. identifiedSep 21, 2026, 01:56 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.

  23. identifiedSep 21, 2026, 00:55 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.

  24. investigatingSep 20, 2026, 20:54 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.

  25. investigatingSep 20, 2026, 18:47 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.

  26. investigatingSep 20, 2026, 17:47 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.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in SendGrid's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

How often does SendGrid have incidents?

SendGrid reported 355 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 18m. See SendGrid's uptime and incident history

SendGrid incident on Sep 20, 2026: SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico · APIStatus.watch