GET

/v1/schemas/fal/video/fal-ai/ltx-2.3-quality/inpaint

kind inputactivity videohash 4cdb9341…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
8186b5ec31edb3841c145658351e3d2efc4ae2e7b3f78eaba06436aa4da84c89
{
  "fetchedAt": 1783331098,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

16 properties · 3 required · 0 $defs
propertytypedescriptionconstraints
mask_video_url*stringThe mask video. White regions are regenerated; black regions are preserved from the source video.
video_url*stringThe source video to inpaint.
prompt*stringThe prompt describing what to generate inside the masked area.
num_framesintegerThe number of frames to generate.9 ≤ n ≤ 481 · default: 121
enable_prompt_expansionbooleanWhether to enable prompt expansion.default: true
frames_per_secondnumberFrames per second of the generated video.1 ≤ n ≤ 60 · default: 24
seedintegerRandom seed for reproducibility. If None, a random seed is chosen.nullable
enable_safety_checkerbooleanWhether to enable the safety checker.default: true
sync_modebooleanIf True, the media is returned as a data URI inline in the response. Useful for short-lived requests and tests.default: false
num_inference_stepsintegerNumber of inference steps. Defaults to 15 and can be increased up to 30.8 ≤ n ≤ 30 · default: 15
guidance_scalenumberClassifier-free guidance scale. The default is tuned for fast, high-quality generation.1 ≤ n ≤ 20 · default: 1
video_qualityenumThe quality preset of the generated video.low | medium | high | maximum · default: "high"
generate_audiobooleanWhether to include audio in the returned video. When disabled, the final MP4 is returned without an audio track.default: true
video_strengthnumberStrength of the IC-LoRA video guide for the preserved content. Higher values keep the source video structure more strongly.0 ≤ n ≤ 1 · default: 1
negative_promptstringThe negative prompt to steer generation away from.default: "color distortion, overexposure,…
video_write_modeenumThe write mode of the generated video.fast | balanced | small · default: "balanced"

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/ltx-2.3-quality/inpaint","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}