Youtube API Wrapper
Channels
ChannelSections
Videos
Captions (can't list content without oauth)
Search
Playlists
PlaylistItems
CommentThreads
VideoCategories (No need to, returns everytime a link to c/YouTube)
Subscriptions (Not yet worth it)
Members
Membershiplevels
i18nLanguages
i18nRegions
Watermarks
GuideCategories (Deprecated)
VideoAbuseReportReasons
Thumbnails
ChannelBanners
Please note that these are just categories. For example, you can get the thumbnail by using the Video API, we don't support "Thumbnails", because "Thumbnails" has only the Endpoint to set, which we won't support, because this API for the time shouldn't require a oauth authorization