GET
/v1/schemas/fal/audio/fal-ai/chatterbox/text-to-speech/multilingual
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source tracec157d207c6e06282912a98e7d37d9ae18343567efa5d6e561c9c4a0e61dad8a0{
"fetchedAt": 1793941202,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
8 properties · 1 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| text* | string | The text to be converted to speech (maximum 300 characters). Supports 23 languages including English, French, German, Spanish, Italian, Portuguese, Hindi, Arabic, Chinese, Japanese, Korean, and more. | length ≤ 300 |
| temperature | number | Controls randomness and variation in generation (0.05-2.0). Higher values create more varied speech patterns. | 0.05 ≤ n ≤ 2 · default: 0.8 |
| seed | integer | Random seed for reproducible results. Set to 0 for random generation, or provide a specific number for consistent outputs. | nullable |
| enable_safety_checker | boolean | Check input content for safety. Disabling requires account authorization. | default: true |
| cfg_scale | number | Configuration/pace weight controlling generation guidance (0.0-1.0). Use 0.0 for language transfer to mitigate accent inheritance. | 0 ≤ n ≤ 1 · default: 0.5 |
| custom_audio_language | enum | If using a custom audio URL, specify the language of the audio here. Ignored if voice is not a custom url. | english | arabic | danish | german | greek | spanish · +17 more · nullable |
| voice | string | Language code for synthesis, or a reference audio URL with custom_audio_language selected. Invalid reference audio is rejected with a non-billable 422 error. | default: "english" |
| exaggeration | number | Controls speech expressiveness and emotional intensity (0.25-2.0). 0.5 is neutral, higher values increase expressiveness. Extreme values may be unstable. | 0.25 ≤ n ≤ 2 · default: 0.5 |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"fal-ai/chatterbox/text-to-speech/multilingual","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}