YouTube Video Download API

The YouTube Video Download API allows you to download YouTube videos in multiple formats and qualities, providing a temporary download URL for offline access and content archival.

Endpoint

https://api.socialkit.dev/youtube/download

Example Request

POST https://api.socialkit.dev/youtube/download
 
{
  "access_key": "<your-access-key>",
  "url": "https://youtube.com/watch?v=dQw4w9WgXcQ",
  "format": "mp4",
  "quality": "360p"
}

Response

{
  "success": true,
  "data": {
    "title": "Video Title",
    "duration": "3:45",
    "durationSeconds": 225,
    "thumbnail": "https://i.ytimg.com/vi/.../hqdefault.jpg",
    "downloadUrl": "https://socialkit-downloads.s3.amazonaws.com/...",
    "fileSize": 4200000,
    "fileSizeMB": "4.00 MB",
    "format": "mp4",
    "quality": "360p",
    "expiresIn": "1 hour"
  }
}

Parameters

url string Required
The YouTube URL of the video to download. Supports various YouTube URL formats.

access_key string Required
Your API access key. Can be provided via the access_key query parameter, x-access-key header, or request body.

format string Optional Defaults to mp4
Output format for the download. Supported formats: mp4, mp3, avi, webm, m4a, ogg, wav.

quality string Optional Defaults to 360p
Video quality for the download. Supported qualities: 240p, 360p, 480p, 720p, 1080p.

Response Fields

The API returns the following data fields:

• title: The video title
• duration: Human-readable video duration (MM:SS format)
• durationSeconds: Video duration in seconds
• thumbnail: URL to the video thumbnail image
• downloadUrl: Temporary URL to download the file (expires after 1 hour)
• fileSize: File size in bytes
• fileSizeMB: Human-readable file size in megabytes
• format: The output format used
• quality: The video quality used
• expiresIn: Time until the download URL expires

Supported Formats

Use Cases

• Offline Viewing: Download YouTube videos for offline access
• Audio Extraction: Convert YouTube videos to MP3 or other audio formats
• Educational Archives: Archive educational content for later reference
• Content Backup: Back up important video content
• Social Media Repurposing: Download and repurpose content for other platforms

Notes

• Maximum file size per download is 10MB
• Download URLs expire after 1 hour
• Audio-only formats (mp3, m4a, ogg, wav) will extract the audio track from the video
• The quality parameter applies to video formats only