{"uid":"cap_yyXM05CDt-ojISeQenUd9","slug":"utilia-audio-normalization-d44f2b94","name":"Utilia Audio Normalization","description":"Give a Solana agent live compute-unit price bids for $0.002 per call via x402 USDC. One AgentCash command, no API key or subscription.","url":"https://api.utilia.ink/v1/audio/normalize","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","pattern":"^https://","description":"Public HTTPS audio URL"},"maxSeconds":{"type":"integer","default":180,"maximum":180,"minimum":1},"targetLufs":{"type":"number","default":-16,"maximum":-12,"minimum":-24}}},"responseSchema":{"type":"json","example":{"encoding":"base64","audioBase64":"<base64 MP3>","contentType":"audio/mpeg","outputBytes":1920042,"possiblyTruncated":false,"targetIntegratedLufs":-16,"outputDurationSeconds":120}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kHYFaY_SnOdtrHgCxTEHx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Normalizes audio to a target integrated loudness level (LUFS) and returns the result as a base64-encoded MP3","exampleAgentPrompt":"Can you normalize this podcast episode audio to -16 LUFS so it meets streaming platform standards and give me back the normalized MP3?","exampleUseCases":[{"title":"Podcast loudness standardization","prompt":"I have a podcast episode recording that's too quiet compared to other shows — can you normalize it to -16 LUFS so it meets Spotify and Apple Podcasts standards?"},{"title":"Broadcast audio preparation","prompt":"Normalize this radio ad audio file to -23 LUFS to meet EBU R128 broadcast standards before we submit it."},{"title":"Multi-track volume consistency","prompt":"These three voice-over audio clips all have different loudness levels — can you normalize each one to -14 LUFS so they sound consistent when played back-to-back?"}],"resultDescription":"A JSON object containing the normalized audio as a base64-encoded MP3 string, the content type (audio/mpeg), output file size in bytes, duration in seconds, whether the output was possibly truncated, and the target integrated LUFS value that was applied.","failureModes":["Unsupported audio format submitted — endpoint may reject non-standard codecs","Audio file too large or too long — output may be truncated (possiblyTruncated: true)","Invalid target LUFS value — out-of-range loudness targets may cause errors","Payment failure via x402 — USDC micropayment not processed, request rejected","Network timeout for large audio files during processing"],"whenToPreferThis":"Choose this endpoint when you need a simple, pay-per-call audio normalization service without managing API keys. It is ideal for agents that process audio episodically (podcasts, voice recordings, ads) and need loudness standardization to a specific LUFS target. Prefer this over self-hosted solutions when you want no infrastructure overhead and USDC micropayment billing via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T15:27:48.813Z","isFirstParty":false}