Get YouTube video transcript
Input
video_id requiredYouTube video id, e.g. "jNQXAC9IVRw" (the v= parameter, or the last path segment of a youtu.be link)
Output
segments requiredvideo_id requiredavailable requiredfalse if this video has no captions in any language
language optionalSearch YouTube videos
Search YouTube videos by query, or list a channel's or playlist's videos from its URL. Returns a list of videos with id, title, url, duration, channelName, channelUrl, viewCount, date, thumbnailUrl, and description.
Get YouTube comments
List a YouTube video's top-level comments from a watch URL or video id. Per comment: id, text, author, channelId, authorAvatar, publishedTime, likeCount, replyCount, isVerified, isCreator, pinned. Sort by 'top' (default) or 'newest' and paginate with the returned nextCursor. likeCount and replyCount are YouTube's abbreviated strings (e.g. "255k", "960"), and comments come back empty when they are disabled.
Post YouTube comment
Post a top-level comment on a YouTube video. Returns the new commentId.