GET

/v1/schemas/fal/video/fal-ai%2Fkling-video%2Fv1%2Fstandard%2Fimage-to-video

kind inputactivity videohash bee78331extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

8 properties · 2 required · 2 $defs
propertytypedescriptionconstraints
image_url*stringURL of the image to be used for the video
prompt*stringThe prompt for the videolength ≤ 2500
tail_image_urlstringURL of the image to be used for the end of the videonullable
dynamic_masksDynamicMask[]List of dynamic masksnullable
static_mask_urlstringURL of the image for Static Brush Application Area (Mask image created by users using the motion brush)nullable
durationenumThe duration of the generated video in seconds5 | 10 · default: "5"
cfg_scalenumberThe CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt.0 ≤ n ≤ 1 · default: 0.5
negative_promptstringlength ≤ 2500 · default: "blur, distort, and low quality"

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/kling-video/v1/standard/image-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}