---
title: "List skill versions"
description: "Version history for a visible skill, newest first.\n\nEach version's ``snapshot`` is the row state *before* the edit that\ncreated it. Returns {versions, total}."
---

> Documentation Index
> Fetch the complete documentation index at: https://truememory-docs.mvstg.com/llms.txt
> Use this file to discover all available pages before exploring further.

Path: AI Gateway API › Skills

`GET /skills/{skill_id}/versions`

Version history for a visible skill, newest first.

Each version's ``snapshot`` is the row state *before* the edit that
created it. Returns {versions, total}.

## Authentication

- `HTTPBearer`, http, header `Authorization`

## Path parameters

- `skill_id` (`list_skill_versions.path.skill_id`; string, required)

## Query parameters

- `limit` (`list_skill_versions.query.limit`; integer, optional)
  - min 1; max 200; default `50`
- `offset` (`list_skill_versions.query.offset`; integer, optional)
  - min 0; default `0`

## Header parameters

- `X-On-Behalf-Of` (`list_skill_versions.header.X-On-Behalf-Of`; any of, optional)
  - any of: `string`, `null`
- `X-External-User-Id` (`list_skill_versions.header.X-External-User-Id`; any of, optional)
  - any of: `string`, `null`
- `X-App-Id` (`list_skill_versions.header.X-App-Id`; any of, optional)
  - any of: `string`, `null`

## Code samples

### cURL

```bash
curl --request GET \
  --url 'https://truememory-api.mvstg.com/skills/<skill_id>/versions' \
  --header 'Authorization: Bearer <token>'
```

### TypeScript

```typescript
const url = 'https://truememory-api.mvstg.com/skills/<skill_id>/versions';
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));
```

### Python

```python
import requests

url = "https://truememory-api.mvstg.com/skills/<skill_id>/versions"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)
```

## Responses

### 200

Successful Response

#### Example

```json
{
  "versions": [
    {
      "id": "string",
      "skill_id": "string",
      "version_number": 0,
      "snapshot": {},
      "edited_by": "string",
      "created_at": "2019-08-24T14:15:22Z"
    }
  ],
  "total": 0
}
```

- `versions` (`list_skill_versions.response.200.versions`; array<object>, required)
  - `id` (`list_skill_versions.response.200.versions.id`; string, required)
  - `skill_id` (`list_skill_versions.response.200.versions.skill_id`; string, required)
  - `version_number` (`list_skill_versions.response.200.versions.version_number`; integer, required) — 1-based, increments per edit.
  - `snapshot` (`list_skill_versions.response.200.versions.snapshot`; object, required) — Skill fields as they were before the edit.
  - `edited_by` (`list_skill_versions.response.200.versions.edited_by`; any of, required) — user_id of the editor, NULL for service edits.
    - any of: `string`, `null`
  - `created_at` (`list_skill_versions.response.200.versions.created_at`; string, required)
    - format `date-time`
- `total` (`list_skill_versions.response.200.total`; integer, required) — Total versions before LIMIT/OFFSET.

### 422

Validation Error

#### Example

```json
{
  "detail": [
    {
      "loc": [
        "string"
      ],
      "msg": "string",
      "type": "string",
      "input": null,
      "ctx": {}
    }
  ]
}
```

- `detail` (`list_skill_versions.response.422.detail`; array<object>, optional)
  - `loc` (`list_skill_versions.response.422.detail.loc`; array<any of>, required)
    - any of: `string`, `integer`
  - `msg` (`list_skill_versions.response.422.detail.msg`; string, required)
  - `type` (`list_skill_versions.response.422.detail.type`; string, required)
  - `input` (`list_skill_versions.response.422.detail.input`; unknown, optional)
  - `ctx` (`list_skill_versions.response.422.detail.ctx`; object, optional)


Source: https://truememory-docs.mvstg.com/api/skills/versions/list/index.md