GET

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

Accept:

kind inputactivity videohash a8eac712…extracted Oct 9, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `f2d0a7fb38c9e4d7cd91c2994c61069faf5d7401813bca3ed279f2646ca62c51` { "fetchedAt": 1791522002, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 1 required · 0 $defs

property	type	description	constraints
prompt*	string	The prompt to generate the video from.
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true
negative_prompt	string	The negative prompt to generate the video from.	default: "low quality, worst quality, def…
num_inference_steps	integer	The number of inference steps to take.	1 ≤ n ≤ 50 · default: 30
guidance_scale	number	The guidance scale to use.	1 < n ≤ 10 · default: 3
seed	integer	The seed to use for random number generation.	nullable

Validate a payload

before you spend tokens

shell

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