We've deployed mitigations and all services are operating normally. Traffic may continue to reroute to nearby regions for the next few hours, but we will restore traffic gradually after verifying system availability in the IAD1 region.
Posted May 08, 2026 - 06:39 UTC
Monitoring
We implemented a fix and are monitoring the results. Backlogs for Workflows and Queues will be processed within the next few hours.
Posted May 08, 2026 - 04:54 UTC
Update
New workflow runs and queue messages are being processed now. Processing the backlog of existing workflow runs and queued messages is still being investigated.
Posted May 08, 2026 - 02:33 UTC
Update
We are continuing to work on a fix for this issue.
Posted May 08, 2026 - 02:18 UTC
Update
New messages to Vercel Workflows and Vercel Queues are being queued, but message processing is paused. Queued messages will be processed when service is restored.
Posted May 08, 2026 - 02:13 UTC
Update
Traffic to the IAD1 region has been re-routed to nearby regions. Functions configured in IAD1 will be invoked in a different region if failover regions are configured, but if no other regions are configured, the function will still be invoked in IAD1.
Posted May 08, 2026 - 01:47 UTC
Identified
Some Vercel functions that run in the IAD1 region are experiencing elevated invocation failures. We are investigating the issue and will share more information as it becomes available.
Posted May 08, 2026 - 01:18 UTC
This incident affected: Edge Functions, Edge Middleware, Serverless Functions, Queues, and Workflow.