# Cerebras: Partial Service Disruption- API Key Error

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-01-17 01:47 UTC · Resolved: 2026-01-17 02:01 UTC · Duration: 14 min
- Updates: 3 · Affected components: ZAI-GLM-4.6, Llama3.1-8B, ZAI-GLM-4.7, Qwen-3-235B-Instruct-2507, Qwen-3-32B, GPT-OSS-120B, Llama-3.3-70B
- [Vendor status page: https://stspg.io/0494rmlvjpqm](https://stspg.io/0494rmlvjpqm)
- [Company: Cerebras](https://rewindex.com/company/cerebras.md)

## Timeline of updates

- **investigating** 2026-01-17 01:47 UTC: Partial service disruption due to 401 Error with Unauthorized API Key. We are currently working to resume normal service performance. We will provide further updates as we make progress.
- **investigating** 2026-01-17 01:53 UTC: This issue is caused by an internal system dependency, and we are currently working to restore system performance.
- **resolved** 2026-01-17 02:01 UTC: Between 4.25 PM PT and 5.45 PM PT, developers experienced minor service disruption due to API Key Error. The issue has been identified and resolved, normal service operation is restored.


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Canonical: https://rewindex.com/company/cerebras/incidents/6rbx7nr1ljmw · Markdown: https://rewindex.com/company/cerebras/incidents/6rbx7nr1ljmw.md · JSON: https://rewindex.com/api/v1/companies/cerebras/incidents/6rbx7nr1ljmw · Generated 2026-10-20T00:07:23.552Z