GET

/v1/schemas/fal/audio/fal-ai%2Fmmaudio-v2%2Ftext-to-audio

kind inputactivity audiohash 1b4782feextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

7 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to generate the audio for.
cfg_strengthnumberThe strength of Classifier Free Guidance.0 ≤ n ≤ 20 · default: 4.5
negative_promptstringThe negative prompt to generate the audio for.default: ""
seedintegerThe seed for the random number generator0 ≤ n ≤ 65535 · nullable
num_stepsintegerThe number of steps to generate the audio for.4 ≤ n ≤ 50 · default: 25
mask_away_clipbooleanWhether to mask away the clip.default: false
durationnumberThe duration of the audio to generate.1 ≤ n ≤ 30 · default: 8

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/mmaudio-v2/text-to-audio","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}