Twilio incident

SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to United States

Minor Resolved View vendor source →

Twilio experienced a minor incident on April 21, 2026 affecting SMS Long Code, North America and SMS Short Code, North America, lasting 8h 45m. The incident has been resolved; the full update timeline is below.

Started
Apr 21, 2026, 10:46 AM UTC
Resolved
Apr 21, 2026, 07:31 PM UTC
Duration
8h 45m
Detected by Pingoru
Apr 21, 2026, 10:46 AM UTC

Affected components

SMS Long Code, North AmericaSMS Short Code, North America

Update timeline

  1. investigating Apr 21, 2026, 10:46 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. investigating Apr 21, 2026, 11:47 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

  3. investigating Apr 21, 2026, 01:45 PM UTC

    Twilio customers may be experiencing SMS delivery delays and delivery receipt delays from a subset of Twilio Short Codes and Long Codes to the United States. 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. investigating Apr 21, 2026, 01:48 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to the United States. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

  5. identified Apr 21, 2026, 03:28 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to the United States. 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.

  6. identified Apr 21, 2026, 04:29 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to the United States. 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.

  7. monitoring Apr 21, 2026, 05:30 PM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  8. monitoring Apr 21, 2026, 05:30 PM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  9. resolved Apr 21, 2026, 07:31 PM UTC

    The incident has been resolved and SMS delivery from a subset of Twilio Short Codes and Long Codes to the United States is operating normally.