# Create a vocabulary list

Create a custom vocabulary list owned by the caller, optionally in a team space the caller is an active member of. An organization holds at most 500 lists. To share the list, create an access grant on it.

#### Request Body

**`name`** string required

The list name, 1 to 200 characters.

**`description`** string optional

An optional description, up to 1000 characters.

**`team_space_id`** string optional

Place the list in a team space the caller is an active member of.

## Returns

The new vocabulary list:

**`id`** string

The list ID.

**`kind`** string

`organization` for the one list every organization has; `custom` otherwise.

**`name`** string

The list name.

**`description`** string or null

An optional description.

**`team_space_id`** string or null

The team space the list belongs to, if any.

**`owner_user_id`** string or null

The person who owns the list; null for the organization list.

**`enabled`** boolean

Whether the list's words are used in transcripts.

**`entry_count`** integer

Live entries in the list the caller can read.

**`reached_through`** string

How the list reached the caller: `owner`, `person`, `role`, `department`, `team`, `team_space`, `organization` or `admin` (only through administration rights).

**`can_edit`** boolean

Whether the caller may change the list.

**`can_share`** boolean

Whether the caller may share the list.

**`can_delete`** boolean

Whether the caller may delete the list.

**`created_at`** string

When the list was created.

**`updated_at`** string

When the list last changed.

Example

```bash cURL
curl -X POST "https://api.aitronos.com/v1/vocabulary/lists" \
  -H "X-API-Key: $FREDDY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "Product names", "description": "Names of our products and features."}'
```


```python Python
import os
import requests

api_key = os.environ["FREDDY_API_KEY"]

response = requests.post(
    "https://api.aitronos.com/v1/vocabulary/lists",
    headers={"X-API-Key": api_key},
    json={"name": "Product names", "description": "Names of our products and features."},
)

print(response.json())
```


```javascript JavaScript
const apiKey = process.env.FREDDY_API_KEY;

const response = await fetch('https://api.aitronos.com/v1/vocabulary/lists', {
  method: 'POST',
  headers: {
    'X-API-Key': apiKey,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({"name": "Product names", "description": "Names of our products and features."})
});

const data = await response.json();
console.log(data);
```

**Response:**


```json 201 Created
{
  "id": "voclist_8f2a61c4e0b94d7a",
  "kind": "custom",
  "name": "Product names",
  "description": "Names of our products and features.",
  "team_space_id": null,
  "owner_user_id": "usr_3c91d0a2b7e4",
  "enabled": true,
  "entry_count": 0,
  "reached_through": "owner",
  "can_edit": true,
  "can_share": true,
  "can_delete": true,
  "created_at": "2026-10-24T09:30:00Z",
  "updated_at": "2026-10-24T09:30:00Z"
}
```

Errors

```json 401 Unauthorized
{
  "success": false,
  "error": {
    "code": "AUTHENTICATION_REQUIRED",
    "message": "Authentication required. Please provide a valid API key.",
    "system_message": "Missing or invalid authorization header",
    "type": "authentication_error",
    "status": 401,
    "details": {},
    "trace_id": "req_7d1e4b9a2c",
    "timestamp": "2026-10-24T09:30:00Z"
  }
}
```


```json 403 Forbidden
{
  "success": false,
  "error": {
    "code": "VOCABULARY_TEAM_SPACE_FORBIDDEN",
    "message": "You are not a member of this team space.",
    "system_message": "Caller is not a member of the team space.",
    "type": "authorization_error",
    "status": 403,
    "details": {
      "team_space_id": "tsp_4e8a1c"
    },
    "trace_id": "req_7d1e4b9a2c",
    "timestamp": "2026-10-24T09:30:00Z"
  }
}
```

## Related Resources

- [Vocabulary API](/api-reference/vocabulary/_index) — Overview of lists, entries and settings.
- [Create an access grant](/api-reference/access-control/create-grant) — Share a vocabulary list with people, teams or the whole organization.