{"uid":"cap_nakZDn-Oxl9-8ru5etI3D","slug":"gedx402-speech-transcription-bbe9566d","name":"GEDX402 Speech Transcription","description":"Voice agent bundle — prepaid flux ASR, smart-turn, chat/fast, and TTS loop.","url":"https://media.gedx402.com/v1/speech/transcribe?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"audio":{"type":"string"}}},"responseSchema":{"type":"json","example":{"text":"Transcribed speech."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0077","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.00","successRate":"0.00","reviews":1,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0077/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0077","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0077","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SRMgWHLxrTGuVHDaFfqGY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0077","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Transcribes audio content (base64-encoded WAV/MP3/etc.) into text using AI, payable per-call with USDC on multiple blockchains","exampleAgentPrompt":"Can you transcribe this audio recording for me? Here's the base64-encoded MP3 — just give me back the spoken text.","exampleUseCases":null,"resultDescription":"A JSON object containing a 'text' field with the transcribed speech as a plain-text string, e.g. {\"text\": \"Transcribed speech.\"}","failureModes":["Invalid or malformed base64 audio input returns an error","Unsupported audio format may fail or produce garbled output","Payment failure on supported chain results in 402 response blocking the call","Very long or large audio files may time out or be rejected","Empty audio field returns an error or empty transcript"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call audio transcription with no API key setup, especially when you want to pay with USDC on Base, Polygon, Arbitrum, World, or Solana. Ideal for agents that need lightweight, on-demand speech-to-text without managing API credentials or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":3,"lastUsedAt":"2026-07-09T14:53:14.870Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:34:11.862Z","isFirstParty":false,"canonicalSlug":"gedx402-speech-transcription-bbe9566d"}