{"uid":"cap_8CQ2GLY3Ej7YMVJXK_Adx","slug":"sift-audio-analyze-824a2d7e","name":"Sift Audio Analyze","description":"Measure audio loudness (EBU R 128 LUFS, true peak, loudness range). Two-pass EBU R 128 measurement of any audio or video file URL (up to 100 MB, 30 min): integrated LUFS, true peak, loudness range, and the gain needed for 11 named delivery targets.","url":"https://sift.srv1996466.hstgr.cloud/v1/audio/analyze?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Audio or video file URL"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"targets":{"podcast":{"lufs":-16,"gain_needed_db":10.1}},"true_peak_dbtp":-8.3,"integrated_lufs":-26.1,"loudness_range_lu":0}},"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":"unknown","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_mvHYvLYozEcfeyML8cJFx","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":"Analyzes an audio file URL for integrated loudness (LUFS), true peak, loudness range, and per-target gain recommendations (podcast, streaming, broadcast)","exampleAgentPrompt":"Can you analyze the loudness of this audio file — https://example.com/episode42.mp3 — and tell me the integrated LUFS, true peak, and how much gain I'd need to hit podcast and streaming targets?","exampleUseCases":[{"title":"Podcast episode loudness check","prompt":"Before I upload this week's episode, can you check https://cdn.mypodcast.com/ep108.mp3 for its integrated LUFS and true peak, and tell me whether it needs to be boosted or cut to hit the standard -16 LUFS podcast target?"},{"title":"Music track streaming compliance","prompt":"I need to know if my master at https://files.mylabel.com/track_master.wav is too loud or too quiet for Spotify and Apple Music — can you measure its integrated loudness and tell me the exact gain adjustment needed for each platform?"},{"title":"Broadcast ad loudness validation","prompt":"We're about to deliver a TV spot — can you analyze https://addelivery.agency.com/spot_v3.wav and confirm whether it meets broadcast loudness standards, and by how many dB it needs to change if not?"}],"resultDescription":"Returns a JSON object with integrated_lufs (overall loudness in LUFS), true_peak_dbtp (maximum true peak in dBTP), loudness_range_lu (dynamic range in LU), and a targets object with per-platform entries (e.g. podcast, streaming, broadcast) each containing the target LUFS level and the gain_needed_db to reach it.","failureModes":["Unreachable or invalid audio URL returns an error — ensure the URL is publicly accessible","Non-audio file URL (e.g. HTML page) returns a format error","Very large audio files may time out — use direct CDN links rather than redirect chains","Corrupt or unsupported codec files return a decoding error"],"whenToPreferThis":"Use this endpoint when you need objective loudness measurements (LUFS, true peak, LR) and actionable per-platform gain recommendations for an audio file accessible via URL, without needing to normalize the file itself — pair with /v1/audio/normalize when you need the actual corrected file.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T18:42:30.793Z","isFirstParty":false,"canonicalSlug":"sift-audio-analyze-824a2d7e"}