Prelude incident

SMS deliverability in China is highly degraded

Minor Resolved View vendor source →

Prelude experienced a minor incident on October 15, 2026 affecting Verify, lasting 3h 9m. The incident has been resolved; the full update timeline is below.

Started
Oct 15, 2026, 03:19 PM UTC
Resolved
Oct 15, 2026, 06:29 PM UTC
Duration
3h 9m
Detected by Pingoru
Oct 15, 2026, 03:19 PM UTC

Affected components

Verify

Update timeline

  1. identified Oct 15, 2026, 03:19 PM UTC

    Status: Identified We are investigating SMS delivery issues in China. Affected components Verify (Degraded performance)

  2. monitoring Oct 15, 2026, 05:27 PM UTC

    Status: Monitoring SMS verification in China is recovering after we switched traffic to an alternative delivery route. Successful verifications have resumed, and we are monitoring delivery and verification success rates to confirm sustained recovery. Affected components Verify (Degraded performance)

  3. resolved Oct 15, 2026, 06:29 PM UTC

    Status: Resolved SMS verification in China has recovered following the switch to an alternative delivery route. This incident is now resolved. Affected components Verify (Operational)