Seed Audio 1.0TTS
$0.002
Voice-reference speech generation, billed per second of output audio.
Create speech with BytePlus Seed Audio 1.0 via PiAPI, using permitted voice references plus speed, pitch, loudness, format, and sample-rate controls.
Pay-as-you-go access through PiAPI.
$0.002
Voice-reference speech generation, billed per second of output audio.
Capabilities from the production model page.
Use permitted reference audio to guide speech generation.
Adjust speech rate, pitch, loudness, format, and sample rate for your workflow.
Sign up and grab an API key from the PiAPI workspace — free credits are included on sign-up.
Add credits on the billing page when you are ready to scale beyond the free tier.
POST your first task following the API docs, then poll the task until the result is ready.
Prototype prompts and settings in the the playground above before wiring them into your product.
curl -X POST 'https://api.piapi.ai/api/v1/task' \
-H 'X-API-Key: YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"model": "byteaudio",
"task_type": "seed-audio-1.0",
"input": {
"text": "Welcome to PiAPI — generate natural speech from text.",
"format": "wav",
"sample_rate": 24000,
"speech_rate": 0,
"pitch_rate": 0,
"loudness_rate": 0
}
}'
# → { "task_id": "9d5a…", "status": "pending" }curl 'https://api.piapi.ai/api/v1/task/{task_id}' \
-H 'X-API-Key: YOUR_API_KEY'
# poll until status = completed
{
"data": {
"status": "completed",
"output": {
"audio_url": "https://img.theapi.app/ephemeral/…"
}
}
}$ npm install -g piapi-cli $ piapi run seed-audio-1-0-api \ text="Welcome to PiAPI — generate natural speech from text." \ format=wav \ sample_rate=24000 \ speech_rate=0 \ pitch_rate=0 \ loudness_rate=0 ✓ Task completed! https://img.theapi.app/ephemeral/…
Seed Audio 1.0 is a text-to-speech API available through PiAPI with voice-reference and output controls.
Seed Audio 1.0 usage is billed per second of generated audio output.
More questions? See the API docs.
Seed Audio 1.0 API