Major incident

Clerk: SMS Delivery Issues

Current status of Clerk: Operational — live Clerk status

Timeline

1. Oct 29, 2026, 17:40 UTC
   investigating
   We’re investigating SMS delivery issues affecting some users. Verification codes may be delayed or fail to arrive.
2. Oct 29, 2026, 17:46 UTC
   investigating
   We’re investigating SMS delivery issues with an upstream SMS provider.
3. Oct 29, 2026, 17:54 UTC
   investigating
   We're continuing to investigate SMS delivery issues with an upstream vendor impacting users on AT&T.
4. Oct 29, 2026, 18:00 UTC
   investigating
   We’ve identified an issue with an upstream SMS provider’s delivery route to AT&T numbers. The provider is switching traffic to an alternate route. We’re monitoring delivery rates and will share updates as we learn more.
5. Oct 29, 2026, 18:05 UTC
   monitoring
   SMS verification completion rates have returned to normal levels following the provider’s switch to an alternate delivery route. We’re continuing to monitor delivery and verification rates.
6. Oct 29, 2026, 18:16 UTC
   resolved
   The SMS delivery issue is resolved. Delivery and verification completion rates have returned to normal following our upstream provider’s switch to an alternate route.

Updates as published by Clerk.