GET

/v1/schemas/fal/video/fal-ai%2Fhunyuan-video-foley

Accept:

kind inputactivity videohash 840cdaf4…extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

6 properties · 2 required · 0 $defs

property	type	description	constraints
text_prompt*	string	Text description of the desired audio (optional).
video_url*	string	The URL of the video to generate audio for.
num_inference_steps	integer	Number of inference steps for generation.	10 ≤ n ≤ 100 · default: 50
negative_prompt	string	Negative prompt to avoid certain audio characteristics.	default: "noisy, harsh"
guidance_scale	number	Guidance scale for audio generation.	1 ≤ n ≤ 10 · default: 4.5
seed	integer	Random seed for reproducible generation.	nullable

Validate a payload

before you spend tokens

shell

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