Source: https://docs.claude.com/en/api/skills/delete-skill-version

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Skill Versions

Delete Skill Version

Home Developer Guide API Reference Model Context Protocol (MCP) Resources Release Notes

cURL

cURL

Copy

curl -X DELETE "https://api.anthropic.com/v1/skills/skill_01AbCdEfGhIjKlMnOpQrStUv/versions/1759178010641129" \
     -H "x-api-key: $ANTHROPIC_API_KEY" \
     -H "anthropic-version: 2023-06-01" \
     -H "anthropic-beta: skills-2025-10-02"

200

4XX

Copy

{
  "id": "1759178010641129",
  "type": "skill_version_deleted"
}

DELETE

/

v1

/

skills

/

{skill_id}

/

versions

/

{version}

cURL

cURL

Copy

curl -X DELETE "https://api.anthropic.com/v1/skills/skill_01AbCdEfGhIjKlMnOpQrStUv/versions/1759178010641129" \
     -H "x-api-key: $ANTHROPIC_API_KEY" \
     -H "anthropic-version: 2023-06-01" \
     -H "anthropic-beta: skills-2025-10-02"

200

4XX

Copy

{
  "id": "1759178010641129",
  "type": "skill_version_deleted"
}

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

required

The version of the Claude API you want to use.

Read more about versioning and our version history here .

​

x-api-key

string

required

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 . Each key is scoped to a Workspace.

Path Parameters

​

skill_id

string

required

Unique identifier for the skill.

The format and length of IDs may change over time.

​

version

string

required

Version identifier for the skill.

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

Response

200

application/json

Successful Response

​

id

string

required

Version identifier for the skill.

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

Examples:

"1759178010641129"

​

type

string

default:skill_version_deleted

required

Deleted object type.

For Skill Versions, this is always "skill_version_deleted".

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