GET

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

kind inputactivity videohash dd5aaddc…extracted Oct 9, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.

upstream-spec

Source trace
a3752301bdd1d9a52bfa9f7a2a60d6b875d174654c62dea28df0bec9a3415464
{
  "fetchedAt": 1791522002,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

10 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to use for generating the video. Be as descriptive as possible for best results.
num_inference_stepsintegerThe number of inference steps to perform.1 ≤ n ≤ 50 · default: 25
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
video_sizeImageSize | enumThe size of the video to generate.default: "square"
fpsintegerNumber of frames per second to extract from the video.1 ≤ n ≤ 16 · default: 8
num_framesintegerThe number of frames to generate for the video.1 ≤ n ≤ 32 · default: 16
seedinteger The same seed and the same prompt given to the same version of Stable Diffusion will output the same image every time. nullable
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

Types

1 $defs

ImageSizeobject

heightintegerThe height of the generated image.0 < n ≤ 14142 · default: 512
widthintegerThe width of the generated image.0 < n ≤ 14142 · default: 512

Validate a payload

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