Clerk: SMS Delivery Issues
Affected components: Authentication & User
Timeline of updates
- investigating
We’re investigating SMS delivery issues affecting some users. Verification codes may be delayed or fail to arrive.
- investigating
We’re investigating SMS delivery issues with an upstream SMS provider.
- investigating
We're continuing to investigate SMS delivery issues with an upstream vendor impacting users on AT&T.
- 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.
- 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.
- 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.
Changes Rewindex caught on this incident
- Major incident: SMS Delivery Issues
- Incident updated: SMS Delivery Issues
- Incident updated: SMS Delivery Issues
- Incident updated: SMS Delivery Issues
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
Rewindex captured this after the last checkpoint; the next run () commits it.
Impact, status and times are the vendor’s own, as last archived. View on status.clerk.com (opens in new tab).