GET

/v1/schemas/fal/audio/fal-ai%2Fchatterbox%2Ftext-to-speech

kind inputactivity audiohash 0808d8f5extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

6 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
text*stringThe text to be converted to speech (maximum 5000 characters). You can additionally add the following emotive tags: <laugh>, <chuckle>, <sigh>, <cough>, <sniffle>, <groan>, <yawn>, <gasp>
cfgnumber0.1 ≤ n ≤ 1 · default: 0.5
exaggerationnumberExaggeration factor for the generated speech (0.0 = no exaggeration, 1.0 = maximum exaggeration).0 ≤ n ≤ 1 · default: 0.25
seedintegerUseful to control the reproducibility of the generated audio. Assuming all other properties didn't change, a fixed seed should always generate the exact same audio file. Set to 0 for random seed..nullable
audio_urlstringOptional URL to an audio file to use as a reference for the generated speech. If provided, the model will try to match the style and tone of the reference audio.nullable
temperaturenumberTemperature for generation (higher = more creative).0.05 ≤ n ≤ 2 · default: 0.7

Validate a payload

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