GET

/v1/schemas/fal/video/fal-ai/kling-video/o1/video-to-video/edit

Accept:

kind inputactivity videohash 7159b7a3…extracted Oct 14, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `a0b0a19454382faec32d715fd60f12b6fc82319a86fbd4db618ee20d67dec6a3` { "fetchedAt": 1791954060, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 2 required · 1 $defs

property	type	description	constraints
video_url*	string	Reference video URL. Only .mp4/.mov formats supported, 3-10 seconds duration, 720-2160px resolution, max 200MB.
prompt*	string	Use @Element1, @Element2 to reference elements and @Image1, @Image2 to reference images in order.	length ≤ 2500
keep_audio	boolean	Whether to keep the original audio from the video.	default: false
elements	OmniVideoElementInput[]	Elements (characters/objects) to include. Reference in prompt as @Element1, @Element2, etc. Maximum 4 total (elements + reference images) when using video.	nullable
image_urls	string[]	Reference images for style/appearance. Reference in prompt as @Image1, @Image2, etc. Maximum 4 total (elements + reference images) when using video.	nullable
enable_safety_checker	boolean	Disabling safety checks requires account authorization; unauthorized requests are always checked.	default: true

Types

1 $defs

OmniVideoElementInputobject

reference_image_urls	string[]	Additional reference images from different angles. 1-3 images supported. At least one image is required.
frontal_image_url*	string	The frontal image of the element (main view).

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/kling-video/o1/video-to-video/edit","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}