GET

/v1/schemas/fal/video/fal-ai/ltx-video-v095/extend

Accept:

kind inputactivity videohash 7494ecae…extracted Oct 9, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `38796046331fa269e9c65553c7037b2c519b41ccea09278934bd48d80fa6cc5e` { "fetchedAt": 1791522002, "extractorVersion": "1", "verifiedAt": null }

Request body

9 properties · 2 required · 1 $defs

property	type	description	constraints
prompt*	string	Text prompt to guide generation
video*	VideoConditioningInput	Video to be extended.
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true
aspect_ratio	enum	Aspect ratio of the generated video (16:9 or 9:16).	9:16 \| 16:9 · default: "16:9"
negative_prompt	string	Negative prompt for generation	default: "worst quality, inconsistent mot…
seed	integer	Random seed for generation	nullable
resolution	enum	Resolution of the generated video (480p or 720p).	480p \| 720p · default: "720p"
expand_prompt	boolean	Whether to expand the prompt using the model's own capabilities.	default: true
num_inference_steps	integer	Number of inference steps	2 ≤ n ≤ 50 · default: 40

Types

1 $defs

VideoConditioningInputobject

video_url*	string	URL of video to be extended
start_frame_num*	integer	Frame number of the video from which the conditioning starts. Must be a multiple of 8.	0 ≤ n ≤ 120

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/ltx-video-v095/extend","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}