{"uid":"cap_QsvmHr386I3ygiZ4Tw8j2","slug":"universal-audio-converter-c4162883","name":"Universal Audio Converter","description":"Pay-per-request audio format converter optimized for AI agent workflows. Converts public audio URLs into targeted formats for LLMs, Voice Bots, and TTS engines.","url":"https://x402scan-services-gq1i.onrender.com/api/v1/audio/convert","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"preset":{"enum":["stt_whisper","telephony_bot","llm_context_compress","voice_clone_ready","web_standard"],"type":"string","default":"stt_whisper"},"sourceUrl":{"type":"string","description":"Public HTTP(S) audio file URL to convert."}}},"responseSchema":{"type":"json","format":"json","example":{"format":"wav","success":true,"sizeBytes":142000,"presetUsed":"stt_whisper","audioDataUri":"data:audio/wav;base64,UklGRi..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xPDYKS2PjMmDBxuv1hP2c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a public audio URL into a targeted format (WAV, compressed, telephony, etc.) optimized for LLMs, voice bots, STT engines, and TTS pipelines using a preset-based system.","exampleAgentPrompt":"Can you convert this audio file at https://example.com/podcast.mp3 into a Whisper-ready WAV format so I can run it through speech-to-text? Use the stt_whisper preset.","exampleUseCases":[{"title":"Transcribing podcast episode with Whisper","prompt":"I have a podcast episode at https://podcast-host.com/episode42.mp3 — can you convert it to a Whisper-compatible WAV so I can get a transcript from it?"},{"title":"Preparing audio for telephony voice bot","prompt":"My voice bot needs audio in the right format for a telephony system. Can you convert this recording at https://storage.example.com/call-intro.ogg using the telephony_bot preset?"},{"title":"Voice clone prep from audio URL","prompt":"I want to clone a voice from this audio file at https://mysite.com/speaker-sample.wav — can you reformat it using the voice_clone_ready preset so it's ready for the voice cloning engine?"}],"resultDescription":"A JSON object containing: a base64-encoded data URI of the converted audio (audioDataUri), the output format name (e.g. 'wav'), the file size in bytes (sizeBytes), the preset that was applied (presetUsed), and a success boolean. The audio data URI can be passed directly to downstream LLM, STT, or voice bot APIs.","failureModes":["Invalid or inaccessible sourceUrl returns an error (non-public URL, 404, or auth-gated resource)","Unsupported audio format at the source URL may cause conversion failure","Invalid preset value returns a validation error","Payment failure (x402 protocol) prevents the request from being processed","Large audio files may exceed size or processing limits","Network timeout if the source audio URL is slow to fetch"],"whenToPreferThis":"Choose this endpoint when an AI agent pipeline needs to normalize audio from an arbitrary public URL into a specific format required by a downstream service (Whisper STT, telephony IVR, voice cloning, LLM context compression, or web playback). It is especially useful when you need a ready-to-use base64 data URI without managing your own ffmpeg or audio processing infrastructure. The preset system makes it trivial to target a specific downstream consumer without specifying codec parameters manually.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:26:21.103Z","isFirstParty":false}