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$ man video-to-audio

/video-to-audio

agentutility / mediakit / video-to-audio
PRICE / CALL
$0.02
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
mediakit
CATEGORY
uncategorized
STATUS
live
NAME
video-to-audio video to audio extractor / video to audio converter
synonym alias of mp4-to-mp3 — reuses the canonical handler.
SYNOPSIS
POST https://x402.agentutility.ai/video-to-audio
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }
↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.
DESCRIPTION

Video to audio extractor / video to audio converter. Extract MP3 audio track from any video URL (MP4, MOV, WEBM, MKV, AVI, M4V, FLV). Selectable bitrate (96/128/192 kbps). Useful for podcast extraction, audio archival, transcription pre-processing. 60-min / 500MB max. CloudConvert backend.

INPUTrequest schema
propertytypedescriptionreq?
video_urlstringPublic URL of the source video. Max 500MB / 60 minutes.required
bitratenumberOutput MP3 bitrate in kbps. 96 (smaller, voice), 128 (default, balanced), 192 (higher quality).
enum: 96 · 128 · 192
optional
OUTPUTresponse shape
fieldtypedescription
audio_urlstringSigned URL to download the extracted MP3 audio file.
bitratestringEncoded audio bitrate used for the MP3 output (96, 128, or 192 kbps).
file_size_bytesstringSize of the extracted MP3 file in bytes.
source_urlstringOriginal video URL that was processed for audio extraction.
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/video-to-audio \
  -H 'Content-Type: application/json' \
  -d '{ }'
first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.
EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster
npx -y @agentutility/mcp-<cluster>

# Required: EVM private key with USDC on Base
export X402_PRIVATE_KEY=0x...

# Then call the video-to-audio tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
mediakitvideoaudiomp3-extractionvideo-to-audioaudio-extractionpodcast-extractiontranscription-prep
methods
POST
cluster
mediakit
price
$0.02 USDC per call
ADJACENTother endpoints in mediakit
endpointdescriptionprice
add-watermarkAdd watermark to PDF, image, or video.$0.02
audio-loudnormAudio loudness normalizer (EBU R128 LUFS).$0.02
csv-to-jsonlConverts CSV or TSV data into JSON, JSONL/NDJSON, or column-oriented arrays.$0.02
image-translateImage translator.$0.02
image-upscaleUpscales an image 2x or 4x via Venice's image/upscale endpoint (default model: venice-sd35).$0.02
image-watermarkImage watermark / add text or logo watermark to image files.$0.02
mp4-to-mp3Converts MP4, MOV, WebM, MKV, AVI, M4V, and FLV video files to MP3 via CloudConvert, with selectable bitrate (96/128/192 kbps).$0.02
mp4-to-mp3-apiConverts MP4, MOV, WEBM, MKV, AVI, M4V, or FLV URLs into hosted MP3 output with selectable 96, 128, or 192 kbps bitrate.$0.02
SEE ALSO
agentutility · mediakit · x402 · mcp · llms.txt · registry.json · bazaar.x402.org