GET

/v1/schemas/fal/video/fal-ai/vidu/q3/reference-to-video/mix

Accept:

kind inputactivity videohash a752db3a…extracted Oct 23, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `b1953fa000890a8a54b924db6e4036a61f4e669b58d66ecb056bb781ba9cad8d` { "fetchedAt": 1792731610, "extractorVersion": "1", "verifiedAt": null }

Request body

8 properties · 2 required · 0 $defs

property	type	description	constraints
prompt*	string	Text prompt for video generation, max 2000 characters	length ≤ 2000
reference_image_urls*	string[]	URLs of 1 to 4 reference images used to keep subjects or scenes consistent
resolution	enum	Output video resolution	360p \| 540p \| 720p \| 1080p · default: "720p"
audio	boolean	Whether to use direct audio-video generation. When true, outputs video with sound.	default: true
duration	integer	Duration of the video in seconds (1-16 for Q3 models)	1 ≤ n ≤ 16 · default: 5
aspect_ratio	enum	The aspect ratio of the output video	16:9 \| 9:16 \| 4:3 \| 3:4 \| 1:1 · default: "16:9"
seed	integer	Random seed for reproducibility. If None, a random seed is chosen.	nullable
enable_safety_checker	boolean	Enable safety checks; disabling requires authorization.	nullable

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/vidu/q3/reference-to-video/mix","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}