Vercel incident
Workflow usage amounts are incorrectly calculated
Vercel experienced a minor incident on May 15, 2026 affecting Workflow, lasting 5h 43m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 15, 2026, 10:34 AM UTC
Workflow Storage Retention and Workflow Storage Writes are being incorrectly calculated in usage data. The team is investigating and working to resolve the discrepancy.
- identified May 15, 2026, 11:37 AM UTC
The team has identified the source of the incorrect usage data calculations and has paused usage tracking while a fix is being prepared.
- identified May 15, 2026, 01:40 PM UTC
We are continuing to work on the fix. Usage tracking for Workflow Storage remains paused. The incorrect calculations will not be charged.
- monitoring May 15, 2026, 03:39 PM UTC
The team fixed the incorrect calculations. We are resuming usage tracking and continuing to monitor.
- resolved May 15, 2026, 04:18 PM UTC
The usage tracking system is fully recovered.