{"uid":"cap_9pF33aWEHk5rU4MJDMrhs","slug":"gedx402-asr-flux-automatic-speech-recognition-8c9dfd3a","name":"GEDX402 ASR Flux - Automatic Speech Recognition","description":"x402 workers ai. pay with usdc on base, polygon, arbitrum, world, or solana. no api keys.","url":"https://media.gedx402.com/v1/asr/flux","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["encoding","sample_rate"],"properties":{"encoding":{"enum":["linear16"],"type":"string","description":"PCM encoding (linear16 only)."},"sample_rate":{"type":"string","pattern":"^[0-9]+$","description":"Audio sample rate in Hz (e.g. 16000)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"type":"TurnInfo","event":"SpeechStarted","transcript":"Hello"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.098","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":"$0.098/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.098","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.098","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MXHrmEOmJKBXaz2ZKUTkA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.098","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Transcribes audio to text using streaming ASR, accepting linear16 PCM audio via GET request and returning turn-based speech events with transcripts","exampleAgentPrompt":"Transcribe this linear16 PCM audio stream sampled at 16000 Hz to text and give me the speech events and transcript.","exampleUseCases":[{"title":"Real-time call transcription for support agents","prompt":"Can you listen to this customer call recording and transcribe what they're saying so I can see the conversation text in real time?"},{"title":"Voice memo to text conversion","prompt":"I've got a voice memo in PCM audio format—can you turn it into readable text for me?"},{"title":"Live meeting transcript generation","prompt":"Transcribe this audio stream from our team meeting as it's happening and give me the speaker's words as text."}],"resultDescription":"A JSON object containing a TurnInfo event with fields: type ('TurnInfo'), event (e.g. 'SpeechStarted'), and transcript (the recognized text string from the audio input).","failureModes":["Missing required 'encoding' query parameter returns error","Missing required 'sample_rate' query parameter returns error","Unsupported encoding type other than 'linear16' rejected","Invalid sample_rate format (non-numeric) rejected","Payment not completed or insufficient USDC balance returns 402","Audio stream too short or empty may return empty transcript"],"whenToPreferThis":"Choose this endpoint when you need keyless, pay-per-use speech-to-text transcription using USDC on-chain payment (Base, Polygon, Arbitrum, World, or Solana) without managing API credentials. Ideal for agents that handle linear16 PCM audio and need real-time turn-based transcription events via x402 micropayment protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-09-05T14:47:40.881Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:46:36.469Z","isFirstParty":false}