GET

/v1/schemas/fal/video/fal-ai/vidu/q1/start-end-to-video

Accept:

kind inputactivity videohash 9b7778c3…extracted Oct 23, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `e2d407a8a69886950d2d3de2086afbfa1597545fa63b12064627373392da1456` { "fetchedAt": 1792731610, "extractorVersion": "1", "verifiedAt": null }

Request body

6 properties · 3 required · 0 $defs

property	type	description	constraints
end_image_url*	string	URL of the image to use as the last frame
prompt*	string	Text prompt for video generation, max 1500 characters	length ≤ 1500
start_image_url*	string	URL of the image to use as the first frame
movement_amplitude	enum	The movement amplitude of objects in the frame	auto \| small \| medium \| large · default: "auto"
seed	integer	Seed for the random number generator	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/q1/start-end-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}