## Delete Skill Version

`beta.skills.versions.delete(version, **kwargs) -> VersionDeleteResponse`

**delete** `/v1/skills/{skill_id}/versions/{version}`

Delete Skill Version

### Parameters

- `skill_id: String`

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `version: String`

  Version identifier for the skill.

  Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").

- `betas: Array[AnthropicBeta]`

  Optional header to specify the beta version(s) you want to use.

  - `String = String`

  - `AnthropicBeta = :"message-batches-2024-09-24" | :"prompt-caching-2024-07-31" | :"computer-use-2024-10-22" | 23 more`

    - `:"message-batches-2024-09-24"`

    - `:"prompt-caching-2024-07-31"`

    - `:"computer-use-2024-10-22"`

    - `:"computer-use-2025-01-24"`

    - `:"pdfs-2024-09-25"`

    - `:"token-counting-2024-11-01"`

    - `:"token-efficient-tools-2025-02-19"`

    - `:"output-128k-2025-02-19"`

    - `:"files-api-2025-04-14"`

    - `:"mcp-client-2025-04-04"`

    - `:"mcp-client-2025-11-20"`

    - `:"dev-full-thinking-2025-05-14"`

    - `:"interleaved-thinking-2025-05-14"`

    - `:"code-execution-2025-05-22"`

    - `:"extended-cache-ttl-2025-04-11"`

    - `:"context-1m-2025-08-07"`

    - `:"context-management-2025-06-27"`

    - `:"model-context-window-exceeded-2025-08-26"`

    - `:"skills-2025-10-02"`

    - `:"fast-mode-2026-02-01"`

    - `:"output-300k-2026-03-24"`

    - `:"user-profiles-2026-03-24"`

    - `:"advisor-tool-2026-03-01"`

    - `:"managed-agents-2026-04-01"`

    - `:"cache-diagnosis-2026-04-07"`

    - `:"thinking-token-count-2026-05-13"`

### Returns

- `class VersionDeleteResponse`

  - `id: String`

    Version identifier for the skill.

    Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").

  - `type: String`

    Deleted object type.

    For Skill Versions, this is always `"skill_version_deleted"`.

### Example

```ruby
require "anthropic"

anthropic = Anthropic::Client.new(api_key: "my-anthropic-api-key")

version = anthropic.beta.skills.versions.delete("version", skill_id: "skill_id")

puts(version)
```

#### Response

```json
{
  "id": "1759178010641129",
  "type": "type"
}
```