# Vercel outage on 28 September 2026

> On 28 September, Vercel reported a major outage affecting builds, with failed builds and 500 errors from functions using the Edge runtime. The incident was open from 13:44 to 14:11 UTC, about 27 minutes, but the status page's update said the affected builds and deployments were those made between 13:01 and 13:11 UTC, by a small number of customers. Squarespace, Blackbaud and ElevenLabs also reported problems at around the same time.

- Service: [Vercel](https://stackpulse.app/services/vercel.md)
- Severity: major_outage
- Title on the status page: Build failures and 500 errors for functions using Edge runtime
- Started: 2026-09-28 13:45 UTC
- Ended: 2026-09-28 14:12 UTC
- Lasted: 27 min
- Incident open on the status page: 13:44–14:11 UTC
- The status page's incident: https://stspg.io/p633qkgvpdsy
- Page: https://stackpulse.app/services/vercel/outages/2026-09-28-1345

## What broke when (UTC)

| Component | Status | From | To |
|---|---|---|---|
| Build & Deploy - Builds | partial outage | 2026-09-28 13:44 | 2026-09-28 14:11 |

## At the same time

- [Python Infrastructure](https://stackpulse.app/services/python-infrastructure.md): issue from 2026-09-28 12:45 UTC
- [Studocu](https://stackpulse.app/services/studocu.md): major_outage from 2026-09-28 13:07 UTC
- [Squarespace](https://stackpulse.app/services/squarespace.md): major_outage from 2026-09-28 13:18 UTC
- [Blackbaud](https://stackpulse.app/services/blackbaud.md): issue from 2026-09-28 13:24 UTC
- [ElevenLabs](https://stackpulse.app/services/elevenlabs.md): major_outage from 2026-09-28 13:58 UTC

Problems at the same time are a clue, never proof that one caused another.

Stackpulse isn't affiliated with Vercel.