# Clerk: SMS Delivery Issues

- Provider: [Clerk](https://outages.cc/clerk.md)
- Type: Incident
- State: Resolved
- Worst impact: Partial outage
- Started: 2026-10-29 17:40 UTC
- Resolved: 2026-10-29 18:16 UTC (lasted 36 min)
- Official update: https://status.clerk.com

## Updates from Clerk

### resolved, 2026-10-29 18:16 UTC

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.

### monitoring, 2026-10-29 18:05 UTC

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.

### investigating, 2026-10-29 18:00 UTC

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.

### investigating, 2026-10-29 17:54 UTC

We're continuing to investigate SMS delivery issues with an upstream vendor impacting users on AT&T.

### investigating, 2026-10-29 17:46 UTC

We’re investigating SMS delivery issues with an upstream SMS provider.

### investigating, 2026-10-29 17:40 UTC

We’re investigating SMS delivery issues affecting some users. Verification codes may be delayed or fail to arrive.