Kling 4.0 Flash video with sound
video-kling-4-flashKling 4.0 Flash: the faster, cheaper Kling 4.0. 5-second 720p videos with sound from text or a starting image. Compared with other video tools: premium. Price: $0.636 per 5-second video, charged only on success. One call = one 5-second video with sound.
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"prompt": "<prompt>"
},
"name": "video-kling-4-flash"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| image | No | Optional starting image (https URL) | |
| prompt | Yes | What to create or change | |
| aspect_ratio | No | Aspect ratio, default 16:9 |