Api Endpoint

Audio convert (to MP3)

Extract/convert the audio track of any media URL (mp4, mov, wav, m4a, ogg…) to MP3 - the "mp4 to mp3" conversion, deterministic ffmpeg, no AI. Body: {"url":"https://…/video.mp4","bitrate":"192k"?}. Returns the MP3 as base64.

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Offering

Provider
agent402.tools
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Creative
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://agent402.tools/api/audio-convert
MIME type
application/json
First seen
2026-10-16T01:50:53.972Z
Last seen
Tags
Web, ffmpeg, mp4-to-mp3, audio, convert

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.02 USDC
Atomic price: 20000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.02 USDC
Atomic price: 20000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 4
0.02 USDC
Atomic price: 20000 · Network: eip155:143 · Asset: USDC · Scheme: exact
Payment option 5
0.02 USDC
Atomic price: 20000 · Network: eip155:43114 · Asset: USDC · Scheme: exact
Payment option 6
20000 atomic units
Atomic price: 20000 · Network: eip155:1329 · Asset: 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 · Scheme: exact
Payment option 7
0.021 USDC
Atomic price: 21000 · Network: eip155:10 · Asset: USDC · Scheme: exact
Payment option 8
0.02 USDC
Atomic price: 20000 · Network: eip155:4663 · Asset: USDC · Scheme: exact
Payment option 9
20000 atomic units
Atomic price: 20000 · Network: eip155:42220 · Asset: 0xcebA9300f2b948710d2653dD7B07f33A8B32118C · Scheme: exact
Payment option 10
20000 atomic units
Atomic price: 20000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Payment option 11
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: upto
Payment option 12
0.02 USDC
Atomic price: 20000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 13
200000 atomic units
Atomic price: 200000 · Network: stellar:pubnet · Asset: CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75 · Scheme: exact
Payment option 14
20000 atomic units
Atomic price: 20000 · Network: algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k · Asset: 31566704 · Scheme: exact
Payment option 15
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 16
20000 atomic units
Atomic price: 20000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Raw x402 terms
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Observed health

Status
Healthy
Latest latency
123 ms
Average latency
464 ms
HTTP status
204
Last checked
Reachability
100% over 9 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "url": {
          "type": "string",
          "description": "Public URL of the media file (max 30MB)"
        },
        "bitrate": {
          "type": "string",
          "description": "MP3 bitrate, e.g. \"128k\", \"192k\" (default), \"320k\""
        }
      },
      "required": [
        "url"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "format": {
          "type": "string"
        },
        "bitrate": {
          "type": "string"
        },
        "bytes": {
          "type": "integer"
        },
        "mp3Base64": {
          "type": "string"
        }
      },
      "required": [
        "format",
        "bitrate",
        "bytes",
        "mp3Base64"
      ]
    }
  },
  "required": [
    "type"
  ]
}