Is there a Dailymotion API for videos and users?

Yes. Social Fetch has 18 Dailymotion routes under /v1/dailymotion: one video, video search, related videos, subtitles, comments, comment replies, transcript, one user, user search, a user's videos, followers, following and playlists, one playlist, the category list, category videos, hashtag videos and the shorts feed. Authenticate with your Social Fetch API key in x-api-key.