Kling

Kling is a flagship video generation model from Kuaishou, known for cinematic quality and realistic motion physics. MuAPI provides access to all three Kling tiers.

Models

Model	Endpoint	Description
Kling Standard	kling-std	Fast generations, good quality
Kling Pro	kling-pro	Higher quality, more detail
Kling Master	kling-master	Flagship — best motion and realism

Text-to-Video

POST /api/v1/kling-master
x-api-key: YOUR_API_KEY
Content-Type: application/json

{
  "prompt": "A samurai walking through a bamboo forest at dusk, cinematic",
  "duration": 5,
  "aspect_ratio": "16:9"
}

Image-to-Video

Animate a static image into a video:

POST /api/v1/kling-master
x-api-key: YOUR_API_KEY

{
  "prompt": "The character slowly turns their head and smiles",
  "image_url": "https://example.com/portrait.jpg",
  "duration": 5
}

Parameters

Parameter	Type	Options	Description
prompt	string	—	Video description
duration	int	5, 10	Length in seconds
aspect_ratio	string	16:9, 9:16, 1:1	Output aspect ratio
image_url	string	—	Source image for I2V
negative_prompt	string	—	What to avoid

Poll for Result

GET /api/v1/predictions/{request_id}/result
x-api-key: YOUR_API_KEY

{
  "status": "completed",
  "outputs": ["https://cdn.muapi.ai/...output.mp4"]
}

Via CLI

# Text-to-video
muapi video generate "A astronaut floating in space, Earth visible below" --model kling-master

# Image-to-video
muapi video from-image portrait.jpg "Person blinks and looks away" --model kling-pro

See Also

• Video Generation — full video generation overview
• Text-to-Video — T2V guide
• Models — all available models