Vercel incident: Build failures and 500 errors for functions using Edge runtime

Affected components

• Builds

1. resolvedSep 28, 2026, 14:11 UTC

   This incident has been resolved.

2. monitoringSep 28, 2026, 13:44 UTC

   A small number of customers who built or deployed functions using Edge runtime between 13:01 and 13:11 UTC experienced elevated rates of build failures due to unexpected error. Some builds succeeded but resulted in 500 errors from functions using Edge runtime. Re-deploy functions using Edge runtime to accelerate remediation.

What APIStatus.watch saw

• Sep 28, 2026, 13:45 UTCoperational → degraded
• Sep 28, 2026, 14:15 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• OVHcloud: [US-EAST-VA][Storage] - Object Storage incident notificationMajor · Sep 25, 2026, 17:00 UTC
• Cloudinary: Increased Error Rates – EU RegionMajor · Sep 28, 2026, 09:58 UTC
• ElevenLabs: Agents - EU ResidencyMajor · Sep 28, 2026, 13:57 UTC
• Akamai: Increased latency during upstream provider maintenance in Singapore, Hong Kong, and JapanMinor · Sep 22, 2026, 00:30 UTC
• Akamai: Origin Server Connectivity Issues with Elevated Errors in APAC RegionMinor · Sep 22, 2026, 14:28 UTC
• Cloudflare: Cloudflare One Clients are incorrectly challenged on some sitesMinor · Sep 22, 2026, 19:23 UTC
• Cloudflare: Network Performance Degradation — Asia-PacificMinor · Sep 23, 2026, 18:42 UTC
• Twilio: SMS Delivery Delays from Twilio to Datora BrazilMinor · Sep 24, 2026, 08:36 UTC
• Zoom: Service Degradation Affecting Customer Using Polycom Devices Going OfflineMinor · Sep 25, 2026, 17:45 UTC
• Twilio: MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United StatesMinor · Sep 26, 2026, 03:16 UTC

How often does Vercel have incidents?

Vercel reported 24 incidents in the last 90 days, 10 of them major or critical. A typical incident lasted 59 min. See Vercel's uptime and incident history