Sinch experienced SMS delivery issues specifically affecting AT&T customers in Mexico, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident impacted the SMS - LATAM service component for approximately 1.7 hours from 15:45 UTC to 17:44 UTC on April 23, 2026. The service was fully restored and the incident was resolved by 18:10 UTC the same day.
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This incident has been resolved.
Incident Start Time: 2026-04-23 15:45 UTC
Incident End Time: 2026-04-23 17:44 UTC
We are currently observing delivery issues in Mexico - AT&T.
Incident Start Time: 2026-04-23 15:45 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 support@sinch.com.
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