GET

/v1/schemas/fal/video/fal-ai/krea-wan-14b/video-to-video

Accept:

kind inputactivity videohash dcdfb426…extracted Oct 17, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `37415667740d7d776109161ac0e55300408cc9197a6705b9e0d3196bf7edc581` { "fetchedAt": 1792213207, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 2 required · 0 $defs

property	type	description	constraints
video_url*	string	URL of the input video. Currently, only outputs of 16:9 aspect ratio and 480p resolution are supported. Video duration should be less than 1000 frames at 16fps, and output frames will be 6 plus a multiple of 12, for example 18, 30, 42, etc.
prompt*	string	Prompt for the video-to-video generation.
seed	integer	Seed for the video-to-video generation.	nullable
strength	number	Denoising strength for the video-to-video generation. 0.0 preserves the original, 1.0 completely remakes the video.	0.01 ≤ n ≤ 1 · default: 0.85
enable_prompt_expansion	boolean	Whether to enable prompt expansion. This will use a large language model to expand the prompt with additional details while maintaining the original meaning.	default: false
enable_safety_checker	boolean	Authorized callers may set false to request relaxed screening.	default: true

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/krea-wan-14b/video-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}