{"uid":"cap_O2jSVGZxPo19MU9N7NVoW","slug":"rengi-forge-audio-variations-08160045","name":"Rengi Forge Audio Variations","description":"Audio tools: Make 2-12 variations of one sound effect with small pitch and volume changes, so repeated footsteps or hits do not sound copy-pasted. Returns each file and a ZIP. Full schema: https://rengi.dev/v1/audio-tools/schema","url":"https://rengi.dev/v1/audio-tools/variations?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"mono":{"type":"boolean"},"seed":{"type":"integer","default":1},"audio":{"type":"string","description":"Audio file as base64 (wav, mp3, ogg, flac, m4a)."},"count":{"type":"integer","default":5,"maximum":12,"minimum":2},"format":{"enum":["ogg","wav","mp3"],"type":"string","default":"ogg"},"audioUrl":{"type":"string","format":"uri","description":"Audio file URL."},"volumeDb":{"type":"number","default":2,"maximum":12,"minimum":0,"description":"Max volume change either way."},"pitchSemitones":{"type":"number","default":2,"maximum":6,"minimum":0,"description":"Max pitch change either way."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ztSueI6NTAue0QqgIrL5V","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates 2–12 pitch-and-volume variations of a single sound effect to prevent repetitive audio in games","exampleAgentPrompt":"Take this footstep WAV file and generate 8 variations with up to 3 semitones of pitch change and 4 dB of volume change, output as OGG files — I want them as individual files and a ZIP.","exampleUseCases":[{"title":"Footstep variation pack for game","prompt":"I have a single footstep WAV and I need 10 variations so they don't sound copy-pasted when the player walks. Can you create them with up to 2 semitones of pitch variation and 3 dB volume difference, output as OGG?"},{"title":"Randomized hit sound for combat game","prompt":"Take this sword hit sound at this URL and make 6 variations with 4 semitones of pitch range and 5 dB of volume range — return them as WAV files so I can drop them straight into Unity."},{"title":"UI click sounds diversification","prompt":"I've got a single MP3 button click sound and I want 5 slightly different versions of it — small pitch changes up to 1 semitone and volume shifts up to 2 dB — can you generate those as OGG files?"}],"resultDescription":"Returns 2–12 individual audio files (OGG, WAV, or MP3) each with randomized pitch and volume offsets within the specified ranges, plus a ZIP archive containing all variations. A fixed seed ensures reproducible results.","failureModes":["Missing both audio and audioUrl fields — returns validation error","Count outside 2–12 range — rejected with schema error","Unsupported audio format submitted as base64 — returns format error","pitchSemitones or volumeDb outside allowed range — validation failure","Malformed base64 audio data — decoding error"],"whenToPreferThis":"Choose this endpoint when you need to eliminate repetitive audio in games or interactive media by producing multiple slightly-differing takes of a single sound effect. It is purpose-built for game audio pipelines and is preferable to general audio processing APIs when the specific need is pitch-and-volume variation packs, especially when you need a reproducible seed and a ready-to-use ZIP.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:41:41.822Z","isFirstParty":false,"canonicalSlug":"rengi-forge-audio-variations-08160045"}