Name: mp4-to-mp3
Price: 0.10 USDC
Availability: InStock

$ man mp4-to-mp3

agentutility / mediakit / mp4-to-mp3

PRICE / CALL

$0.10

USDC · base mainnet · scheme: exact

METHOD

POST

CLUSTER

mediakit

CATEGORY

media

STATUS

● live

NAME

mp4-to-mp3 — mp4 → mp3 audio extractor

SYNOPSIS

POST https://x402.org/v1/mp4-to-mp3
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }

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

DESCRIPTION

MP4 → MP3 audio extractor. Any video format (mov, webm, mkv, avi, m4v, flv) → MP3 via CloudConvert. Selectable bitrate (96/128/192 kbps). 60-min / 500MB max.

INPUT — request schema

property	type	description	req?
video_url	string	Public URL of a video file (mp4, webm, mov, mkv, etc.). Max 60 minutes / 500MB.	required
bitrate	number	MP3 bitrate in kbps. One of: 96, 128 (default), 192. enum: 96 · 128 · 192	optional

OUTPUT — response shape

field	type	description
audio_url	string	Signed CloudConvert URL of the extracted MP3 (24h expiry).
bitrate	number	Bitrate applied (kbps).
file_size_bytes	number	Output MP3 size in bytes.
content_type	string	MIME type of the output (typically audio/mpeg).
source_url	string	Echo of the input URL.
job_id	string	CloudConvert job id (useful for support).

EXAMPLES — two ways to call

EXAMPLE 1 · curl

curl -X POST https://x402.org/v1/mp4-to-mp3 \
  -H 'Content-Type: application/json' \
  -d '{ }'

first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.

EXAMPLE 2 · mcp

# install once
claude mcp add x402 --command "npx x402-deployer-mcp"

# then ask Claude Code:
# "use the mp4-to-mp3 tool to ..."

MCP server handles payment automatically — your coding agent just calls the tool by name.

METADATA

tags: mp4mp3audioextractconvertvideo
env: CLOUD_CONVERT_API_KEY
methods: POST
cluster: mediakit
price: $0.10 USDC per call

ADJACENT — other endpoints in mediakit

endpoint	description	price
extract-tables	Extract tables from PDF / table extractor / PDF to CSV / spreadsheet from PDF.	$0.10
pdf-extract-tables	PDF table extractor / table from PDF / scanned-table parsing / financial-table OCR / multi-page table consolidator / Datalab Marker tables.	$0.10
pdf-to-jpg	PDF to JPG / PNG / WEBP image converter.	$0.10
speaker-diarize	Speaker diarization / who-said-what transcription.	$0.10
transcribe	Video / audio transcription via Whisper v3.	$0.10
upscale-image	AI image upscaler / super-resolution / image enlarger.	$0.10
video-summarize	Video summarizer / podcast summarizer / lecture notes generator.	$0.10
video-to-audio	Video → audio extractor / video to audio converter.	$0.10

/mp4-to-mp3(1)