DeepL experienced a minor incident on November 12, 2025 affecting DeepL Pro - API (EU) (API (EU) Pro), lasting 1d 4h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Nov 12, 2025, 12:12 PM UTC
We’re seeing increased API error rates resulting in intermittent 5xx responses. Our teams are investigating. Some requests may fail or time out.
- investigating Nov 12, 2025, 12:46 PM UTC
We are continuing to investigate elevated API server errors (HTTP 5xx). We’re isolating workloads to pinpoint the source.
- investigating Nov 12, 2025, 01:10 PM UTC
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.
- investigating Nov 12, 2025, 07:27 PM UTC
We’re continuing to investigate the root cause while closely monitoring error rates. We’re seeing a reduction in intermittent API 5xx errors.
- investigating Nov 13, 2025, 10:20 AM UTC
We’re continuing to investigate the underlying cause of intermittent API 5xx errors. We have implemented multiple mitigations to limit impact and improve stability.
- resolved Nov 13, 2025, 04:48 PM UTC
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...