---
title: "Delete Skill Version"
method: DELETE
path: "/v1/skills/{skill_id}/versions/{version}?beta=true"
---

# Delete Skill Version

`DELETE /v1/skills/{skill_id}/versions/{version}?beta=true`

## Path parameters

- `skill_id` string, required — Unique identifier for the skill. The format and length of IDs may change over time.
- `version` string, required — Identifies the skill version by its version ID. Requests carrying the `skills-2025-10-02` beta header address versions by their Unix epoch timestamp instead (e.g., "1759178010641129").

## Headers

- `anthropic-beta` string — Optional header to specify the beta version(s) you want to use. To use multiple betas, use a comma separated list like `beta1,beta2` or specify the header multiple times for each beta.
- `anthropic-version` string — The version of the Claude API you want to use. Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
- `x-api-key` string — Your unique API key for authentication. This key is required in the header of all API requests, to authenticate your account and access Anthropic's services. Get your API key through the [Console](https://console.anthropic.com/settings/keys). Each key is scoped to a Workspace.
- `anthropic-workspace-id` string

## Response `200`

Successful Response

- BetaDeletedSkillVersion
  - `id` string, required — Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references.
  - `type` 'skill_version_deleted', required — Deleted object type. For Skill Versions, this is always `"skill_version_deleted"`.

## Other responses

- `400` — Invalid argument - The client specified an invalid argument
- `401` — Unauthenticated - The request does not have valid authentication credentials
- `403` — Permission denied - The caller does not have permission to execute the specified operation
- `404` — Not found - Some requested entity was not found
- `408` — Deadline exceeded - The deadline expired before the operation could complete
- `409` — Aborted - The operation was aborted due to concurrency issue
- `412` — Failed precondition - Operation was rejected because the system is not in required state
- `413` — Out of range - Operation was attempted past the valid range
- `429` — Resource exhausted - Some resource has been exhausted (rate limiting)
- `431` — Request header fields too large - Request metadata was too large
- `499` — Cancelled - The operation was cancelled by the client
- `500` — Internal - Internal server error
- `501` — Unimplemented - The operation is not implemented or supported
- `503` — Unavailable - The service is currently unavailable
- `504` — Deadline exceeded - Upstream service did not respond in time
- `529` — Overloaded - The service is temporarily overloaded

## Changes

- **2026-09-02** `4789294140a2` — 17 info
  - added the new optional `header` request parameter `anthropic-workspace-id`
  - added the non-success response with the status `400`
  - added the non-success response with the status `401`
  - added the non-success response with the status `403`
  - …13 more
- **2026-08-27** `ef8360d7d2b6` — 1 info
  - the `type` response property const value `skill_version_deleted` was added for the status `200`

[Change history](https://skmtc.dev/anthropics/apis/anthropic-api/changes/v1/skills/:skill_id/versions/:version?beta=true/delete.md)

---

[API](https://skmtc.dev/anthropics/apis/anthropic-api.md) · [All operations](https://skmtc.dev/anthropics/apis/anthropic-api/llms.txt) · [OpenAPI document](https://skmtc.dev/anthropics/apis/anthropic-api/revisions/1bb7c7a0a4a9?raw)