# Start a short clip from a description

`POST /creative/videos` · Rivier · files

Start a short clip from a description. A clip takes minutes: the answer is a running generation; read it until it is ready, and the clip is then in the asset library as an AI-generated draft waiting for review.

- Scope: files:write
- Mcp: rivier_creative_video_generate
- Graphql: Mutation.filesCreativeVideo
- Sdk: files.creative.video
- Cli: files creative video

## Request body

`application/json`

```json
{
  "type": "object",
  "properties": {
    "prompt": {
      "type": "string",
      "minLength": 1,
      "maxLength": 2000,
      "description": "What the clip should show."
    },
    "purpose": {
      "type": "string",
      "maxLength": 80
    },
    "modelId": {
      "type": "string",
      "maxLength": 80
    },
    "useBrandKit": {
      "type": "boolean"
    }
  },
  "required": [
    "prompt"
  ],
  "additionalProperties": false
}
```

## Responses

- `202`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X POST 'https://api.rivier.ai/creative/videos' \
  -H 'Authorization: Bearer $KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "prompt": "string"
}'
```