## Delete Skill Version

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

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

Delete Skill Version

### Parameters

- `skill_id: str`

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `version: str`

  Version identifier for the skill.

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

- `betas: Optional[List[AnthropicBetaParam]]`

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

  - `str`

  - `Literal["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: str`

    Version identifier for the skill.

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

  - `type: str`

    Deleted object type.

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

### Example

```python
import os
from anthropic import Anthropic

client = Anthropic(
    api_key=os.environ.get("ANTHROPIC_API_KEY"),  # This is the default and can be omitted
)
version = client.beta.skills.versions.delete(
    version="version",
    skill_id="skill_id",
)
print(version.id)
```

#### Response

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