Mobile Carrier Incident - AT&T (Route 1) SMS Latency

Update timeline

1. investigating May 04, 2026, 05:05 PM UTC

   Start Time : May 04, 2026 - 10:02 PDT We have received a notification regarding a carrier-side incident currently impacting all sender types (route 1) SMS services. Customers may experience minor latency impacting outbound (MT) SMS via all sender types (route 1) with AT&T. The cause of this issue is under investigation at this time.

2. resolved May 04, 2026, 06:18 PM UTC

   Monitoring for the issue impacting all sender types (route 1) SMS services has concluded and confirmed that previously impacted services have been restored to pre-incident health. The issue is resolved at this time. End Time : May 4, 11:05 PDT