# Archive one lecture as lossless audio

**Use case:** 

Save a permissioned YouTube lecture or interview as WAV or FLAC when editing quality matters more than file size.

## Input

```json
{
  "videoUrls": [
    {
      "url": "https://www.youtube.com/watch?v=ysz5S6PUM-U"
    }
  ],
  "authorizationConfirmed": true,
  "audioFormat": "flac",
  "audioBitrate": "best",
  "embedMetadata": true,
  "includePlaylist": false,
  "maxResults": 1,
  "maxDurationMinutes": 15,
  "maxFileSizeMb": 120,
  "includeMetadataJson": false,
  "proxyConfiguration": {
    "useApifyProxy": true,
    "apifyProxyGroups": [
      "RESIDENTIAL"
    ]
  }
}
```

## Output

```json
{
  "thumbnail": {
    "label": "Thumb",
    "format": "string"
  },
  "title": {
    "label": "Title",
    "format": "string"
  },
  "artist": {
    "label": "Artist",
    "format": "string"
  },
  "durationSeconds": {
    "label": "Duration (s)",
    "format": "number"
  },
  "audioFormat": {
    "label": "Format",
    "format": "string"
  },
  "bitrateKbps": {
    "label": "kbps",
    "format": "number"
  },
  "fileSizeBytes": {
    "label": "Bytes",
    "format": "number"
  },
  "fileKey": {
    "label": "Audio key",
    "format": "string"
  },
  "status": {
    "label": "Status",
    "format": "string"
  },
  "videoUrl": {
    "label": "URL",
    "format": "string"
  },
  "error": {
    "label": "Error",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [YouTube to MP3 Downloader](https://apify.com/khadinakbar/youtube-to-mp3-downloader) with a specific input configuration. Visit the [Actor detail page](https://apify.com/khadinakbar/youtube-to-mp3-downloader) to learn more, explore other use cases, and run it yourself.


## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.
This Task's input is already configured above — use it as-is rather than inventing a new one.

- **AI agents and MCP clients** — the [Apify MCP server](https://docs.apify.com/integrations/mcp.md) at `https://mcp.apify.com` (remote, streamable HTTP, OAuth on first use).
- **Agentic workflows and local Actor development** — [Agent Skills](https://apify.com/.well-known/agent-skills/index.json) with the [Apify CLI](https://docs.apify.com/cli/docs.md): `npm install -g apify-cli`, then `apify login`.
- **JavaScript/TypeScript projects** — the official [JS/TS client](https://docs.apify.com/api/client/js/docs.md): `npm install apify-client`.
- **Python projects** — the official [Python client](https://docs.apify.com/api/client/python/docs.md): `pip install apify-client`.
- **Any other language** — the [REST API](https://docs.apify.com/api/v2.md).

For full API examples (JavaScript, Python, CLI, MCP, OpenAPI), see this Task's Actor page: https://apify.com/khadinakbar/youtube-to-mp3-downloader.md

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).