Sinch incident

Delivery Issue US - AT&T

Minor Resolved View vendor source →

Sinch experienced a minor incident on April 30, 2026 affecting SMS - US - 10DLC, lasting 12h 19m. The incident has been resolved; the full update timeline is below.

Started
Apr 30, 2026, 05:18 PM UTC
Resolved
May 01, 2026, 05:38 AM UTC
Duration
12h 19m
Detected by Pingoru
Apr 30, 2026, 05:18 PM UTC

Affected components

SMS - US - 10DLC

Update timeline

  1. investigating Apr 30, 2026, 05:18 PM UTC

    We are currently observing delivery issues in US - AT&T Incident Start Time: 2026-04-29 19:35 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact [email protected].

  2. investigating Apr 30, 2026, 06:48 PM UTC

    We are continuing to investigate this issue.

  3. investigating Apr 30, 2026, 09:41 PM UTC

    We are continuing to investigate this issue.

  4. resolved May 01, 2026, 05:38 AM UTC

    This incident has been resolved. Incident Start Time: 2026-04-29 19:35 UTC Incident End Time: 2026-05-01 01:30 UTC