# Pro API EU - 500 errors

- Provider: [DeepL](https://down.guide/providers/deepl)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 0m
- started 2025-11-13 16:48 UTC
- eu
- id: DWN-39c30e2c90
- Official page: https://deeplstatus.trust.eu.pagerduty.com/posts/details/PKF5R5B

## Updates from DeepL
### 2025-11-13 16:48 UTC: resolved
Affected Services: DeepL Pro - API (EU)
 Started: Wed, 12 Nov 2025 12:12:53 GMT
 Last Updated: Thu, 13 Nov 2025 16:48:27 GMT
 Updates: 
 12:12:53: We’re seeing increased API error rates resulting in intermittent 5xx responses. Our teams are investigating. Some requests may fail or time out.
 12:46:26: We are continuing to investigate elevated API server errors (HTTP 5xx). We’re isolating workloads to pinpoint the source.
 13:10:02: We are continuing to investigate elevated API server errors (HTTP 5xx). We have deployed workload isolation changes to narrow down the cause and reduce impact.
 19:27:22: We’re continuing to investigate the root cause while closely monitoring error rates. We’re seeing a reduction in intermittent API 5xx errors.
 10:20:45: We’re continuing to investigate the underlying cause of intermittent API 5xx errors. We have implemented multiple mitigations to limit impact and improve stability.
 16:48:27: After implementing multiple mitigations, error rates have returned to pre‑incident levels and request success rates are back to normal. We’re continuing to monitor closely. If you continue to experience issues, please reach out to Support. We’ll provide a root cause and follow‑up actions in a post‑incident report once the investigation is complete.

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