---
title: "Create Skill Version"
method: POST
path: "/v1/skills/{skill_id}/versions"
---

# Create Skill Version

`POST /v1/skills/{skill_id}/versions`

## Path parameters

- `skill_id` string, required — Unique identifier for the skill. The format and length of IDs may change over time.

## Headers

- `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).

## Response `200`

Successful Response

- SkillVersion
  - `created_at` string, date-time, required — ISO 8601 timestamp of when the skill was created.
  - `description` string, required — Description of the skill version. This is extracted from the SKILL.md file in the skill upload.
  - `id` string, required — Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references.
  - `name` string, required — The Skill's immutable kebab-case slug, set at creation from the first upload's SKILL.md frontmatter `name` (or its enclosing directory). Every later upload must resolve to the same value. Also the top-level directory of the Skill's mounted files and the base name of a downloaded archive.
  - `skill_id` string, required — Unique identifier for the skill. The format and length of IDs may change over time.
  - `type` 'skill_version', required — Object type. For Skill Versions, this is always `"skill_version"`.

## Other responses

- `4XX` — Error response. See our [errors documentation](https://platform.claude.com/docs/en/api/errors) for more details.

## Changes

- **2026-08-19** `67ee007cda1c` — 1 info
  - endpoint added
- **2026-04-24** `2d9a6272c569` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/anthropics/apis/anthropic-api/changes/v1/skills/:skill_id/versions/post.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-service-production.skmtc.workers.dev/v1/apis/anthropics/anthropic-api/revisions/d1d189d791d1/schema)