{"uid":"cap_6x89H4cSIK2Rfzytya1pr","slug":"gedx402-asr-nova-3-speech-to-text-ebedf47d","name":"GEDX402 ASR Nova-3 Speech-to-Text","description":"x402 workers ai. pay with usdc on base, polygon, arbitrum, world, or solana. no api keys.","url":"https://ged-x402-media.jvalamis.workers.dev/v1/asr/nova-3","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"audio":{"type":"string"}}},"responseSchema":{"type":"json","example":{"text":"Transcribed speech."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.067","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.067/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.067","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.067","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AGGGW0rjuE4EkPzKYQmi6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.067","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"Can you transcribe this audio clip for me? Here's the base64-encoded WAV data: [base64string]. Pay with USDC on Base.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a 'text' field containing the transcribed speech as a plain-text string.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:39.893Z","isFirstParty":false}