GET

/v1/schemas/fal/video/fal-ai%2Fflashhead?kind=output

Accept:

kind outputactivity videohash 0aee0e4d…extracted Jul 6, 2026version currentsource upstream spec ↗

Response body

4 properties · 3 required · 1 $defs

property	type	description
video*	File	Generated lip-synced avatar video (512x512, 25 FPS).
duration*	number	Video duration in seconds.
seed*	integer	The seed used for generation.
timings	object	Timing breakdown.

Validate a payload

before you spend tokens

shell

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