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utunumus studio – Text-to-Speech
x402
utunumus studio – Text-to-Speech is a paid API for AI agents from studio.utunumus.com, paid per call via x402, $0.012/call, status unknown (last checked 2026-09-15).
Converts a text prompt into spoken audio, billed per request via x402 micropayment on Base.
Price / call$0.012
Success—
StatusUnknown
How this service works
x402-paid media utilities for agents: background removal, upscaling, text-to-speech, image generation. Paid per deliverable, settled on Base.
Output
An audio file or audio data containing the synthesized speech of the provided text prompt, ready for playback or distribution.
Example use cases
Automated podcast intro narration
“Generate a voiced intro for my podcast episode using this script: 'You're listening to The Future Stack, the show where we break down AI tools for builders. I'm your host, and today we're diving into autonomous agents.'”
Accessibility audio for article
“Convert this article summary into speech so visually impaired users can listen to it: 'Researchers at MIT have developed a new battery chemistry that could double the range of electric vehicles while cutting costs by 40 percent.'”
Agent-facing onboarding narration
“Create an audio narration for an onboarding flow with this text: 'Hi there, welcome aboard! Let's get you set up in under three minutes. First, we'll connect your calendar, then sync your contacts.'”
Technical details
Endpoint
POSThttps://studio.utunumus.com/v1/audio.speechWhen to prefer
Choose this endpoint when your agent needs per-call, pay-as-you-go text-to-speech without a subscription, settled on-chain via x402 on Base. Ideal for agents that generate audio on demand without committing to a monthly TTS plan, or for workflows where micropayment auditability matters.
Side effects
- Missing or empty prompt field returns a 400 validation error
- Insufficient USDC balance or failed x402 payment results in a 402 Payment Required response
- Prompt too long may exceed model or service limits, returning a 413 or 422 error
- Network or model backend unavailability returns a 503 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| promptrequired | string |
Tags
x402
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