Radar SMS challenge failures for phone numbers in mainland China (+86)

Incident Report for WorkOS

Resolved

We've resolved the issue with Radar SMS challenge verifications to China.

Posted Oct 15, 2026 - 17:51 EDT

Monitoring

We are seeing some recovery after our upstream provider has enabled alternate delivery routes. We are continuing to monitor.

Posted Oct 15, 2026 - 13:55 EDT

Investigating

We are investigating an issue affecting Radar SMS challenge verification for phone numbers in mainland China (+86). Affected users may not receive verification codes or may encounter an error when requesting one, preventing them from completing verification. We will provide an update as more information becomes available.

Posted Oct 15, 2026 - 13:17 EDT

This incident affected: Supporting Services (Dashboard) and Core Services (AuthKit).