GET

/v1/schemas/fal/video/fal-ai/fast-animatediff/video-to-video

kind inputactivity videohash 1a0876b0…extracted Oct 9, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.

upstream-spec

Source trace
7e06b49fe83da36084b057bd60835a719fee9ccf04076ac6d8cb0e3f0975c9fa
{
  "fetchedAt": 1791522002,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

11 properties · 2 required · 0 $defs
propertytypedescriptionconstraints
video_url*stringURL of the video.
prompt*stringThe prompt to use for generating the image. Be as descriptive as possible for best results.
num_inference_stepsintegerThe number of inference steps to perform.1 ≤ n ≤ 50 · default: 25
strengthnumberThe strength of the input video in the final output.0 ≤ n ≤ 1 · default: 0.7
negative_promptstringThe negative prompt to use. Use it to address details that you don't want in the image. This could be colors, objects, scenery and even the small details (e.g. moustache, blurry, low resolution).default: "(bad quality, worst quality:1.2…
motionsenum[]The motions to apply to the video.
enable_safety_checkerbooleanAuthorized callers may set false to request relaxed screening.default: true
guidance_scalenumberThe CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show you.0 ≤ n ≤ 20 · default: 7.5
fpsintegerNumber of frames per second to extract from the video.1 ≤ n ≤ 16 · default: 8
first_n_secondsintegerThe first N number of seconds of video to animate.2 ≤ n ≤ 4 · default: 3
seedinteger The same seed and the same prompt given to the same version of Stable Diffusion will output the same image every time. nullable

Validate a payload

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