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GEDX402 ASR Nova-3 Speech-to-Text
x402
GEDX402 ASR Nova-3 Speech-to-Text is a paid API for AI agents from ged-x402-media.jvalamis.workers.dev, paid per call via x402, $0.067/call, status unknown (last checked 2026-09-15).
Transcribes audio (WAV, MP3, etc.) to text using the Nova-3 ASR model, paid per-call with USDC on multiple blockchains via x402, no API keys required.
Price / call$0.067
Success—
StatusUnknown
How this service works
x402 workers ai. pay with usdc on base, polygon, arbitrum, world, or solana. no api keys.
Output
Returns a JSON object with a 'text' field containing the transcribed speech as a plain-text string.
Example use cases
Example prompt
“Can you transcribe this audio clip for me? Here's the base64-encoded WAV data: [base64string]. Pay with USDC on Base.”
Technical details
Endpoint
GEThttps://ged-x402-media.jvalamis.workers.dev/v1/asr/nova-3When to prefer
Choose this endpoint when you need pay-per-use, keyless speech-to-text transcription using Nova-3 ASR quality and want to pay with USDC on Base, Polygon, Arbitrum, World, or Solana via x402 — no API key registration required, ideal for agents operating autonomously with on-chain micropayments.
Side effects
- Invalid or malformed base64 audio data returns an error
- Unsupported audio format may fail to decode
- Payment failure on selected chain causes 402 rejection
- Network timeout on Cloudflare Workers edge
- Audio too long or too large may exceed limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| audio | string |
Output
Schema · Response
{
"type": "json",
"example": {
"text": "Transcribed speech."
}
}Tags
x402
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