GET

/v1/schemas/fal/audio/fal-ai%2Fstable-audio-25%2Ftext-to-audio

kind inputactivity audiohash 104f1d2cextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

6 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to generate audio from
seconds_totalintegerThe duration of the audio clip to generate1 ≤ n ≤ 190 · default: 190
sync_modebooleanIf `True`, the media will be returned as a data URI and the output data won't be available in the request history.default: false
num_inference_stepsintegerThe number of steps to denoise the audio for4 ≤ n ≤ 8 · default: 8
guidance_scalenumberHow strictly the diffusion process adheres to the prompt text (higher values make your audio closer to your prompt).1 ≤ n ≤ 25 · default: 1
seedintegernullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/stable-audio-25/text-to-audio","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}