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Nova TTS — Text-to-Speech API
x402
Nova TTS — Text-to-Speech API is a paid API for AI agents from novva.orbonomy.xyz, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-13).
Converts text input into synthesized speech audio, returning a binary audio stream, paid per call in USDC on Base.
Price / call$0.1
Success—
StatusUnknown
How this service works
Pay-per-call AI inference. Chat, reason, translate, analyze, generate. USDC on Base.
Output
A binary audio stream containing the synthesized speech corresponding to the provided text input, ready to be played back or saved as an audio file.
Example use cases
Narrate blog post as audio
“Take the intro paragraph from my latest blog post and turn it into spoken audio using Nova's TTS — I want to offer an audio version for readers who prefer listening.”
Voiceover for product demo
“I've written a script for my product walkthrough video. Can you use Nova to synthesize it into a voiceover so I can drop it straight into my video editor?”
Read notification aloud on-device
“Convert this push notification message into speech audio using Nova's TTS API so my app can play it out loud for users who have audio alerts enabled.”
Technical details
Endpoint
POSThttps://novva.orbonomy.xyz/api/ttsWhen to prefer
Choose this endpoint when you need a pay-per-call, no-subscription TTS service that settles in USDC on Base. Ideal for agents operating in crypto-native or x402 payment environments that need voice output on demand without a monthly commitment.
Side effects
- Empty or missing 'text' field returns a 400 Bad Request
- Invalid voice name may cause a 400 or fall back to default voice
- Payment not received or insufficient USDC balance results in 402 Payment Required
- Text too long may exceed server limits, returning a 413 or 400 error
- Service unavailable returns 503 with no audio output
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | Text to convert to speech |
| voice | string | Voice name (optional) |
Output
Schema · Response
{
"type": "string",
"format": "binary"
}Tags
x402
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