Twilio incident

MMS Delivery Delays from Twilio Short Codes to AT&T United States

Minor Resolved View vendor source →

Twilio experienced a minor incident on May 18, 2026 affecting MMS Short Code, North America, lasting 5h 27m. The incident has been resolved; the full update timeline is below.

Started
May 18, 2026, 10:09 PM UTC
Resolved
May 19, 2026, 03:36 AM UTC
Duration
5h 27m
Detected by Pingoru
May 18, 2026, 10:09 PM UTC

Affected components

MMS Short Code, North America

Update timeline

  1. investigating May 18, 2026, 10:09 PM UTC

    Twilio customers may be experiencing MMS delivery delays from Twilio Short Codes to AT&T network subscribers in 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. identified May 18, 2026, 10:22 PM UTC

    Twilio customers may be experiencing MMS delivery delays from Twilio Short Codes to AT&T network subscribers in 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.

  3. identified May 18, 2026, 11:23 PM UTC

    Twilio customers may be experiencing MMS delivery delays from Twilio Short Codes to AT&T network subscribers in 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.

  4. identified May 19, 2026, 01:23 AM UTC

    Twilio customers may be experiencing MMS delivery delays from Twilio Short Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

  5. monitoring May 19, 2026, 01:30 AM UTC

    We have observed a recovery in MMS delivery from Twilio Short 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.

  6. resolved May 19, 2026, 03:36 AM UTC

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