# AssemblyAI: EU endpoint session failures on Universal 3.5 Pro Realtime

- Provider: [AssemblyAI](https://outages.cc/assemblyai.md)
- Type: Incident
- State: Resolved
- Worst impact: Partial outage
- Started: 2026-08-19 13:17 UTC
- Resolved: 2026-08-19 13:24 UTC (lasted 7 min)
- Components: Streaming API, APIs - Streaming API
- Official update: https://stspg.io/3ddx3qgldw63

## Updates from AssemblyAI

### resolved, 2026-08-19 13:24 UTC

This incident has been resolved. From 13:00–13:12 UTC, users creating new streaming sessions using the EU endpoint were receiving a 3005 close code.

### monitoring, 2026-08-19 13:20 UTC

We are continuing to monitor for any further issues.

### monitoring, 2026-08-19 13:18 UTC

A fix has been implemented and our team is monitoring the results. Users can now create new realtime sessions successfully.

### identified, 2026-08-19 13:17 UTC

The issue has been identified and a fix is being implemented.

### investigating, 2026-08-19 13:17 UTC

We're currently investigating an issue affecting users on our Universal 3.5 Pro Realtime model, where new streaming sessions could not be created on our EU endpoint. This occurred from 13:00–13:12 UTC. Affected users are seeing a 3005 close code. Users on the US endpoint are unaffected.