GET

/v1/schemas/fal/video/fal-ai/ltx-2.3-22b/distilled/video-to-video

Accept:

kind inputactivity videohash e732602a…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `d9439dfa0c3132bc1b5b1fe9d8c6397619d18d1ec5295c2f995a81fd2412605f` { "fetchedAt": 1783331098, "extractorVersion": "1", "verifiedAt": null }

Request body

24 properties · 2 required · 1 $defs

property	type	description	constraints
prompt*	string	The prompt to generate the video from.
video_url*	string	The URL of the video to generate the video from.
audio_strength	number	Audio conditioning strength. Lower values represent more freedom given to the model to change the audio content.	0 ≤ n ≤ 1 · default: 0.01
generate_audio	boolean	Whether to generate audio for the video.	default: true
enable_prompt_expansion	boolean	Whether to enable prompt expansion.	default: true
seed	integer	The seed for the random number generator.	nullable
match_video_length	boolean	When enabled, the number of frames will be calculated based on the video duration and FPS. When disabled, use the specified num_frames.	default: true
use_multiscale	boolean	Whether to use multi-scale generation. If True, the model will generate the video at a smaller scale first, then use the smaller video to guide the generation of a video at or above your requested size. This results in better coherence and details.	default: true
negative_prompt	string	The negative prompt to generate the video from.	default: "news broadcast, 3d animation, c…
video_strength	number	Video conditioning strength. Lower values represent more freedom given to the model to change the video content.	0 ≤ n ≤ 1 · default: 0.01
enable_safety_checker	boolean	Whether to enable the safety checker.	default: true
video_write_mode	enum	The write mode of the generated video.	fast \| balanced \| small · default: "balanced"
acceleration	enum	The acceleration level to use.	none \| regular \| high \| full · default: "none"
video_output_type	enum	The output type of the generated video.	X264 (.mp4) \| VP9 (.webm) \| PRORES4444 (.mov) \| GIF (.gif) · default: "X264 (.mp4)"
video_size	ImageSize \| enum	The size of the generated video.	default: "auto"
camera_lora	enum	The camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the model to move the camera.	dolly_in \| dolly_out \| dolly_left \| dolly_right \| jib_up \| jib_down · +2 more · default: "none"
num_frames	integer	The number of frames to generate.	9 ≤ n ≤ 481 · default: 121
camera_lora_scale	number	The scale of the camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the model to move the camera.	0 ≤ n ≤ 1 · default: 1
video_quality	enum	The quality of the generated video.	low \| medium \| high \| maximum · default: "high"
fps	number	The frames per second of the generated video.	1 ≤ n ≤ 60 · default: 24
distill_lora_second_pass_scale	number	The scale of the distill LoRA to use for the second and subsequent passes.	0 ≤ n ≤ 1 · default: 0.5
sync_mode	boolean	If `True`, the media will be returned as a data URI and the output data won't be available in the request history.	default: false
scheduler	enum	The scheduler to use.	ltx2 \| linear_quadratic \| beta · default: "ltx2"
match_input_fps	boolean	When true, match the output FPS to the input video's FPS instead of using the default target FPS.	default: true

Types

1 $defs

ImageSizeobject

height	integer	The height of the generated image.	0 < n ≤ 14142 · default: 512
width	integer	The 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/ltx-2.3-22b/distilled/video-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}