GET

/v1/schemas/fal/video/fal-ai%2Flongcat-video%2Fimage-to-video%2F480p

kind inputactivity videohash 350bf2d7extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

15 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
image_url*stringThe URL of the image to generate a video from.
num_inference_stepsintegerThe number of inference steps to use for the video generation.8 ≤ n ≤ 50 · default: 40
fpsintegerThe frame rate of the generated video.1 ≤ n ≤ 60 · default: 15
num_framesintegerThe number of frames to generate.17 ≤ n ≤ 961 · default: 162
seedintegerThe seed for the random number generator.nullable
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
negative_promptstringThe negative prompt to use for the video generation.default: "Bright tones, overexposed, stat…
enable_safety_checkerbooleanWhether to enable safety checker.default: true
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)"
enable_prompt_expansionbooleanWhether to enable prompt expansion.default: false
video_qualityenumThe quality of the generated video.low | medium | high | maximum · default: "high"
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
promptstringThe prompt to guide the video generation.default: "First-person view from the cock…

Validate a payload

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