GET

/v1/schemas/fal/video/fal-ai/longcat-video/text-to-video/480p

kind inputactivity videohash 9a1d2ce7…extracted Aug 10, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
35ebd9150587b30ab7de48868f6f8e823932f1a842e0f32b0458474dfa17bad6
{
  "fetchedAt": 1786338105,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

15 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to guide the video generation.
video_qualityenumThe quality of the generated video.low | medium | high | maximum · default: "high"
enable_safety_checkerbooleanWhether to enable safety checker. Disabling it requires account authorization; unauthorized requests are always checked.default: true
negative_promptstringThe negative prompt to use for the video generation.default: "Bright tones, overexposed, stat…
enable_prompt_expansionbooleanWhether to enable prompt expansion.default: false
num_inference_stepsintegerThe number of inference steps to use for the video generation.8 ≤ n ≤ 50 · default: 40
num_framesintegerThe number of frames to generate.17 ≤ n ≤ 961 · default: 162
video_write_modeenumThe write mode of the generated video.fast | balanced | small · default: "balanced"
guidance_scalenumberThe guidance scale to use for the video generation.1 ≤ n ≤ 10 · default: 4
sync_modebooleanIf `True`, the media will be returned as a data URI and the output data won't be available in the request history.default: false
accelerationenumThe acceleration level to use for the video generation.none | regular · default: "regular"
video_output_typeenumThe output type of the generated video.X264 (.mp4) | VP9 (.webm) | PRORES4444 (.mov) | GIF (.gif) · default: "X264 (.mp4)"
fpsintegerThe frame rate of the generated video.1 ≤ n ≤ 60 · default: 15
seedintegerThe seed for the random number generator.nullable
aspect_ratioenumThe aspect ratio of the generated video.16:9 | 9:16 | 1:1 · default: "16:9"

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/longcat-video/text-to-video/480p","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}