# AssemblyAI: Real-time STT: 502 errors related to change to temporary tokens

- Provider: [AssemblyAI](https://outages.cc/assemblyai.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-28 18:11 UTC
- Resolved: 2026-10-28 18:53 UTC (lasted 42 min)
- Components: Streaming API, APIs - Streaming API
- Official update: https://stspg.io/42xlssx4ynbt

## Updates from AssemblyAI

### resolved, 2026-10-28 18:53 UTC

We have continued to see good performance after the rollback and are now marking this issue as resolved.

### monitoring, 2026-10-28 18:21 UTC

We have completed the rollback and are now seeing a reduction of 502 errors. We will continue to monitor traffic to ensure that error rates continue to return to the normal range.

### identified, 2026-10-28 18:11 UTC

We have identified an issue with a recent change to temporary tokens that is causing some Real-time STT sessions that use temp tokens to fail with a 502 error. Our team is actively working to roll back this change.