# SMS Delivery Issues

- Provider: [Clerk](https://down.guide/clerk)
- Level: confirmed
- Impact: Partial outage
- lasted 36m
- started 2026-10-29 17:40 UTC
- id: DWN-b32366985b
- Official page: https://status.clerk.com/incidents/01M64BZ539EBV61Y908QHE84C4

## Updates from Clerk
### 2026-10-29 17:40 UTC: investigating
We’re investigating SMS delivery issues affecting some users. Verification codes may be delayed or fail to arrive.

### 2026-10-29 17:46 UTC: investigating
We’re investigating SMS delivery issues with an upstream SMS provider.

### 2026-10-29 17:54 UTC: investigating
We're continuing to investigate SMS delivery issues with an upstream vendor impacting users on AT&T.

### 2026-10-29 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.

### 2026-10-29 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.

### 2026-10-29 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.

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