TMDb's TOS states that you can't "Use TMDb APIs in any manner or for any purpose that violates any law or regulation, any right of any person, including but not limited to intellectual property rights, rights of privacy, or rights of personality."

How does this reconcile with your use for a torrent search engine?

We contacted them. They said they didn't had any issue with us using their backdrops and information.

Thanks for the response. It's quite surprising.

Well, I hadn't even heard of TMDB before, and now I do, thanks to movies.io, so they must be doing something good!