{"uid":"cap_h0ejG2GhP1q8FMGVWbetr","slug":"zeroreader-whisper-speech-to-text-8977ce90","name":"ZeroReader Whisper Speech-to-Text","description":"Whisper (Speech-to-Text) — OpenAI Whisper. Transcription in 90+ languages.","url":"https://api.zeroreader.com/v1/ai/whisper?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"audio":{"type":"string","description":"Audio data as binary"}}},"responseSchema":{"text":"Transcribed text from audio"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gTdAajZ7Hrt1As4DJmL1o","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Transcribes audio input into text using OpenAI Whisper, supporting 90+ languages.","exampleAgentPrompt":"Can you transcribe this audio recording for me? Here's the binary audio data — I need the spoken words converted to text.","exampleUseCases":null,"resultDescription":"A plain text string containing the transcribed content of the submitted audio, produced by OpenAI Whisper across any of 90+ supported languages.","failureModes":["Audio binary data missing or malformed — returns error","Unsupported audio format — transcription fails","Audio too long or too large — request times out or is rejected","Inaudible or low-quality audio — transcript may be inaccurate or empty","Payment not provided — 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need accurate, multilingual speech-to-text transcription backed by OpenAI Whisper, especially when paying per-call via x402/USDC is acceptable and you want a simple POST with raw audio binary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T17:21:37.370Z","isFirstParty":false,"canonicalSlug":"zeroreader-whisper-speech-to-text-8977ce90"}