> This page is for Voice APIs.

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://dev.hume.ai/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://dev.hume.ai/_mcp/server.

# Delete tool

DELETE https://api.hume.ai/v0/evi/tools/{id}

Deletes a **Tool** and its versions.

Refer to our [tool use](/docs/speech-to-speech-evi/features/tool-use#function-calling) guide for comprehensive instructions on defining and integrating tools into EVI.

Reference: https://dev.hume.ai/voice/reference/speech-to-speech-evi/tools/delete-tool

## Authentication

- `X-Hume-Api-Key` header (required) — API Key authentication via header

## Request

### Path parameters

- `id` (string, required) — Identifier for a Tool. Formatted as a UUID.

## Response

### 200

OK