GET
/v1/schemas/fal/audio/elevenlabs/tts/eleven-v4
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source traceccf0ea384a0eb68dd4a024eab493fecee46b646f816807344d997f002f022b62{
"fetchedAt": 1794114001,
"extractorVersion": "2",
"verifiedAt": null
} |
Request body
10 properties · 1 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| text* | string | The text to convert to speech. Supports audio tags such as [whispering] and IPA pronunciation enclosed in forward slashes. | length ≥ 1 · length ≤ 5000 |
| enable_safety_checker | boolean | Check input content for safety. Disabling requires account authorization. | default: true |
| timestamps | boolean | Whether to return character-level timing information with the generated audio. | default: false |
| seed | integer | Seed for best-effort reproducibility. Identical output is not guaranteed. | 0 ≤ n ≤ 4294967295 · nullable |
| apply_text_normalization | enum | Whether to normalize text such as numbers and dates before generation. | auto | on | off · default: "auto" |
| language_code | string | Language code (ISO 639-1) for speech generation and text normalization. | nullable |
| voice | string | The voice to use for speech generation | default: "Rachel" |
| output_format | enum | Output format of the generated audio. Formatted as codec_sample_rate_bitrate. | mp3_22050_32 | mp3_44100_32 | mp3_44100_64 | mp3_44100_96 | mp3_44100_128 | mp3_44100_192 · +13 more · default: "mp3_44100_128" |
| similarity_boost | number | How closely the output follows the reference voice. Higher values increase similarity but may reduce naturalness. | 0 ≤ n ≤ 1 · default: 0.75 |
| stability | number | Voice stability. Lower values allow more expressive delivery; higher values make delivery more consistent. | 0 ≤ n ≤ 1 · default: 0.5 |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"elevenlabs/tts/eleven-v4","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}