GET

/v1/schemas/fal/video/minimax/h3-max/recast

Accept:

kind inputactivity videohash 4c7bd803…extracted Nov 10, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `f8293b658a2d47c6644ba926323f0345c6bab4a1fee9474ba667f739e8cf1ca7` { "fetchedAt": 1794286801, "extractorVersion": "2", "verifiedAt": null }

Request body

7 properties · 2 required · 0 $defs

property	type	description	constraints
video_url*	string	The source video, 5 to 30 seconds long, with no single shot longer than 15 seconds.
reference_image_urls*	string[]	One photo per new person. By default they replace the main people in the video from left to right, each in every shot they appear in.	items ≥ 1 · items ≤ 4
seed	integer	Random seed. Leave empty for a random one.	n ≥ 0 · nullable
prompt	string	Optional: who becomes whom, or what else to keep or change.	length ≤ 2000 · nullable
resolution	enum		768P \| 1080P · default: "1080P"
enhance_realism	boolean	More natural skin textures and better blending of the new people into the scene. Off unless set.	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":"minimax/h3-max/recast","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}