Twilio incident

MMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States

Minor Resolved View vendor source →

Twilio experienced a minor incident on August 10, 2026 affecting MMS Long Code, North America and MMS Short Code, North America and 1 more component, lasting 5h 49m. The incident has been resolved; the full update timeline is below.

Started
Aug 10, 2026, 11:45 PM UTC
Resolved
Aug 11, 2026, 05:35 AM UTC
Duration
5h 49m
Detected by Pingoru
Aug 10, 2026, 11:45 PM UTC

Affected components

MMS Long Code, North AmericaMMS Short Code, North AmericaMMS Toll-Free, North America

Update timeline

  1. investigating Aug 10, 2026, 11:45 PM UTC

    Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in 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 1 hour or as soon as more information becomes available.

  2. identified Aug 10, 2026, 11:50 PM UTC

    Twilio customers may be experiencing MMS delivery receipt delays from Twilio to AT&T network subscribers in the United States. 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.

  3. identified Aug 11, 2026, 12:50 AM UTC

    Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. 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.

  4. monitoring Aug 11, 2026, 02:38 AM UTC

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

  5. monitoring Aug 11, 2026, 04:44 AM UTC

    We have observed a recovery in MMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  6. resolved Aug 11, 2026, 05:35 AM UTC

    The incident has been resolved and MMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.