Outage in Sinch
Delivery Issue Mexico - AT&T
Resolved MinorIncident Report
Summary AI Generated
Sinch experienced SMS delivery issues with AT&T in Mexico from 05:18 to 06:38 UTC on May 20, 2026, lasting approximately 1.3 hours. The incident affected SMS services in the LATAM region, causing delayed mobile-terminated and mobile-originated messages, along with missing or late delivery receipts. The issue was resolved and service was restored.
We are currently observing delivery issues in Mexico - AT&T
Incident Start Time: 2026-05-20 05:18 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.
Components affected
Sinch SMS - LATAMTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
5 days ago - at 05/20/2026 06:50AM
This incident has been resolved.
Incident Start Time: 2026-05-20 05:18 UTC
Incident End Time: 2026-05-20 06:38 UTC
INVESTIGATING
5 days ago - at 05/20/2026 05:38AM
We are currently observing delivery issues in Mexico - AT&T
Incident Start Time: 2026-05-20 05:18 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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