Kling V3 Motion Control API

Animate a character image to match the motion of a reference video. Standard tier for cost-effective generation.

Endpoint

POST https://api.hedra.com/v3/models/kling-v3-motion-control

Example request

curl -X POST "https://api.hedra.com/v3/models/kling-v3-motion-control" \
  -H "Authorization: Key $HEDRA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"input": {"prompt": "a cinematic shot of a city at dusk"}}'

Parameters

num_outputsinteger

Number of outputs generated per job. Only 1 is supported.

promptstring

Generation prompt.

character_orientationstring

Whether the output character's orientation follows the reference video ('video' — better for complex motion) or the character image ('image' — better for camera movement). Also caps the source video: 30s for 'video', 10s for 'image'.

start_imagerequired

Start frame (image-to-video).

source_videorequired

Source video (video-to-video).

resolutionstringrequired

Output resolution to generate at.