API - Common object types

ImageObject

{
    "url": String,
    "width": Number, // Integer
    "height": Number // Integer
}

ThumbnailObject

{
    "quality": String,
    "url": String,
    "width": Number, // Integer
    "height": Number // Integer
}

VideoObject

{
    "type": "video", // Constant

    "title": String,
    "videoId": String,

    "author": String,
    "authorId": String,
    "authorUrl": String,
    "authorVerified": Boolean,

    "videoThumbnails": [
        // One or more ThumbnailObject
    ],

    "description": String,
    "descriptionHtml": String,

    "viewCount": Number, // Integer
    "viewCountText": String,
    "lengthSeconds": Number, // Integer

    "published": Number, // Unix timestamp
    "publishedText": String,

    // Only available on premiered videos
    "premiereTimestamp": Number, // Unix timestamp

    "liveNow": Boolean,
    "premium": Boolean,
    "isUpcoming": Boolean
}

ChannelObject

{
    "type": "channel", // Constant

    "author": String,
    "authorId": String,
    "authorUrl": String,
    "authorVerified": Boolean,
    "authorThumbnails": [
        // One or more ThumbnailObject
    ],

    "autoGenerated": Boolean,
    "subCount": Number, // Integer
    "videoCount": Number, // Integer

    "description": String,
    "descriptionHtml": String,
}

PlaylistObject

{
    "type": "playlist", // Constant

    "title": String,
    "playlistId": String,
    "playlistThumbnail": String,

    "author": String,
    "authorId": String,
    "authorUrl": String,
    "authorVerified": Boolean,

    "videoCount": Number, // Integer
    "videos": [
        {
            "title": String,
            "videoId": String,
            "lengthSeconds": Number, // Integer
            "videoThumbnails": [
                // One or more ThumbnailObject
            ]
        }
    ]
}