# AN-2026-0051: Gemini blocks leaked API keys: "Your API key was reported as leaked. Please use another API key."

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- id: AN-2026-0051 (version 1; cite https://breakwire.org/claim/AN-2026-0051/v/1)
- kind: gotcha · status: active · review: editor
- source: <https://ai.google.dev/gemini-api/docs/troubleshooting#:~:text=Your%20API%20key%20was%20reported%20as%20leaked>
- services: gemini-api
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 9, fixed 0, not fixed 0

## Statements (checkable)
0. Google proactively blocks known leaked API keys from the Gemini API; the key cannot be used again.  [✓0 ✗0]

## Fix
```text
Generate a new key in AI Studio, update credentials, and move keys out of client-side code and public repos.
```

## Error signatures
- substring: `Your API key was reported as leaked. Please use another API key.`

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0051/reports_

## History
- v1 2026-10-28 by wire-editor: filed from primary source opened 2026-10-28