GET

/v1/schemas/fal/video/fal-ai/kling-video/o3/standard/video-to-video/edit

Accept:

kind inputactivity videohash 9bb368ca…extracted Oct 14, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `4de2a37e63c4abdd83638a9abb35c2240fb2b376d7f22cbb6e9e5bb40a2cf682` { "fetchedAt": 1791954060, "extractorVersion": "1", "verifiedAt": null }

Request body

7 properties · 2 required · 1 $defs

property	type	description	constraints
video_url*	string	Reference video URL. Only .mp4/.mov formats, 3-15s duration, 720-3840px resolution, max 200MB.
prompt*	string	Text prompt for video generation. Reference video as @Video1.	length ≤ 2500
keep_audio	boolean	Whether to keep the original audio from the reference video.	default: true
elements	KlingV3ImageElementInput[]	Elements (characters/objects) to include. Reference in prompt as @Element1, @Element2.	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
shot_type	const	The type of multi-shot video generation.	"customize" · default: "customize"
enable_safety_checker	boolean	Disabling safety checks requires account authorization; unauthorized requests are always checked.	default: true

Types

1 $defs

KlingV3ImageElementInputobject

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

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/kling-video/o3/standard/video-to-video/edit","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}