GET
/v1/schemas/fal/audio/bytedance/seed-audio-1.0
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source trace7474e4896ef81a72fbb7dd09b43496161a346189c20b227c8ced4df912e0ad40{
"fetchedAt": 1791867612,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
11 properties · 1 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| prompt* | string | Prompt or text to synthesize. Reference audio inputs by order with @Audio1, @Audio2, @Audio3. | length ≤ 2048 |
| speed | number | Speech speed. 1.0 is normal speed, 0.5 is half speed, 2.0 is double speed. | 0.5 ≤ n ≤ 2 · default: 1 |
| volume | number | Volume. 1.0 is normal volume, 0.5 is half, 2.0 is double. | 0.5 ≤ n ≤ 2 · default: 1 |
| enable_safety_checker | boolean | Authorized callers may set false to request relaxed screening. | default: true |
| image_url | string | A single reference image URL (jpeg/png/webp, up to 10MB). Cannot be combined with audio references. | nullable |
| multilingual | boolean | Use the multilingual model variant, which handles non-English and mixed-language prompts better. | default: false |
| audio_urls | string[] | Up to 3 reference audio URLs, referenced in prompt as @Audio1, @Audio2, @Audio3. Each clip: up to 30s, 10MB, wav/mp3/pcm/ogg_opus. | items ≤ 3 |
| pitch | integer | Voice pitch shift in semitones. 0 is normal pitch, -12 lowers by one octave, 12 raises by one octave. | -12 ≤ n ≤ 12 · default: 0 |
| output_format | enum | Output audio format. | wav | mp3 | pcm | ogg_opus · default: "mp3" |
| sample_rate | enum | Sample rate of the output audio in Hz. | 8000 | 16000 | 24000 | 32000 | 44100 | 48000 · default: 24000 |
| voice | string | Voice to use for synthesis: either a preset voice name or a cloned voice id. | nullable |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"bytedance/seed-audio-1.0","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}