GET

/v1/schemas/fal/audio/fal-ai%2Fstable-audio

Accept:

kind inputactivity audiohash e6bc7d1c…extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

4 properties · 1 required · 0 $defs

property	type	description	constraints
prompt*	string	The prompt to generate audio from
seconds_total	integer	The duration of the audio clip to generate	0 ≤ n ≤ 47 · default: 30
steps	integer	The number of steps to denoise the audio for	2 ≤ n ≤ 1000 · default: 100
seconds_start	integer	The start point of the audio clip to generate	0 ≤ n ≤ 47 · default: 0

Validate a payload

before you spend tokens

shell

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