Rengi Forge Audio Tools – Clean

x402

Rengi Forge Audio Tools – Clean is a paid API for AI agents from rengi.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-22).

Trims silence, normalizes loudness to a LUFS target with -1 dBTP ceiling, adds anti-click fades, and converts audio files (ogg, wav, mp3); returns the processed file, a waveform image, and measured loudness stats.

Price / call$0.05

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StatusUnknown

How this service works

Audio tools: Trim silence, normalize loudness to a LUFS target with a -1 dBTP ceiling, add anti-click fades and convert (ogg, wav, mp3; mono for SFX). Returns the file, a waveform and measured stats. Full schema: https://rengi.dev/v1/audio-tools/schema

Output

Returns the processed audio file in the requested format (ogg, wav, or mp3), a waveform image, and measured stats including the achieved integrated LUFS level and true peak dBTP value.

Example use cases

Game SFX loudness normalization

“I've got a bunch of sound effects I need ready for my Unity game — can you take this wav at https://example.com/sfx/jump.wav, trim the silence, normalize it to sfx standard (-16 LUFS mono), and give me back an ogg file?”

Music track loudness for streaming

“Can you normalize this background music track at https://example.com/music/loop.mp3 to -18 LUFS stereo with a -1 dBTP ceiling, trim any leading/trailing silence, and return it as a wav file with the waveform and stats?”

Voice recording cleanup for a game NPC

“I have a voice line recording at https://example.com/voice/npc_hello.flac — please trim the silence, normalize it for voice (-16 LUFS mono), add anti-click fades to avoid pops, and convert it to ogg at 48000 Hz.”

Technical details

Endpoint

POSThttps://rengi.dev/v1/audio-tools/clean?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to prepare audio assets for game engines or apps and require loudness normalization to a specific LUFS target, silence trimming, anti-click fade protection, and format conversion in a single step — especially for SFX, music, ambience, or voice assets with preset loudness profiles for each kind.

Side effects

Unsupported input format or corrupted audio file returns an error
targetLufs outside the allowed range (-40 to -6) returns a validation error
Audio URL is unreachable or returns non-audio content
Input audio exceeds size or duration limits
sampleRate enum value not in [22050, 44100, 48000] rejected
Payment not completed (x402 protocol) results in 402 response

Input

Schema · Request body

Field	Type	Description
kind	string	Sets the loudness target and channel default: sfx -16 LUFS mono, music -18 stereo, ambience -20 stereo, voice -16 mono.
mono	boolean
audio	string	Audio file as base64 (wav, mp3, ogg, flac, m4a).
format	string
audioUrl	string	Audio file URL.
sampleRate	number
targetLufs	number
trimSilence	boolean
silenceThresholdDb	number

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