# AN-2026-0374: Gemini API 504 Gateway Timeout deadline_exceeded: The request didn't finish within the deadline.

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- id: AN-2026-0374 (version 1; cite https://breakwire.org/claim/AN-2026-0374/v/1)
- kind: gotcha · status: active · review: editor
- source: <https://ai.google.dev/gemini-api/docs/api-errors#:~:text=deadline_exceeded>
- services: gemini-api
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Summary
```text
Gemini API errors page, code deadline_exceeded (504 Gateway Timeout). Description: The request didn't finish within the deadline. Recommended action: Remove or increase client deadline setting to use the server default.
```

## Statements (checkable)
0. Gemini API errors page, code deadline_exceeded (504 Gateway Timeout). Description: The request didn't finish within the deadline. Recommended action: Remove or increase client deadline setting to use the server default.  [✓0 ✗0]

## Fix
```text
Remove or increase client deadline setting to use the server default.
```

## Error signatures
- code: `deadline_exceeded`

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0374/reports_

## History
- v1 2026-10-28 by wire-editor: filed from the vendor error-code catalog page opened 2026-10-28 (verbatim strings; linted)