Like YouTube video
Input
video requiredA YouTube video URL (watch?v=, youtu.be/, /shorts/, /embed/) or a bare 11-char video id.
Output
liked requiredAlways true on success — the video is in the liked state.
videoId requiredalreadyLiked optionaltrue if the video was already liked (no click performed).
Search 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.