# Anthropic: Tool use errors

> Anthropic status incident “Tool use errors” on 2024-10-29: impact minor (vendor’s label), 11 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/yf39k9sw8rqx
Last updated: 2024-10-30T04:15:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2024-10-29 16:52 UTC · Resolved: 2024-10-30 04:15 UTC · Duration: 11 h
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/yf39k9sw8rqx](https://status.anthropic.com/incidents/yf39k9sw8rqx)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2024-10-30 04:15 UTC: Between 21:00 UTC on October 28 through 04:15 UTC on October 30, API calls invoking tool use intermittently failed to include all parameters, including required parameters. This issue primarily affected requests to claude-3-5-sonnet-20241022 and claude-3-haiku-20240307, and has now been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Anthropic, started 2024-10-29 16:52 UTC, resolved after 11 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/yf39k9sw8rqx
- Citation: Anthropic, “Tool use errors” (2024-10-29 16:52 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/yf39k9sw8rqx (CC BY 4.0).
- Markdown link: `[Anthropic: Tool use errors (2024-10-29)](https://rewindex.com/company/anthropic/incidents/yf39k9sw8rqx)`


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Canonical: https://rewindex.com/company/anthropic/incidents/yf39k9sw8rqx · Markdown: https://rewindex.com/company/anthropic/incidents/yf39k9sw8rqx.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/yf39k9sw8rqx · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:22:38.378Z