This is a cool idea. This isn't really a pain point for me but I immediately thought of a couple of people in family (aunts) who are very active gift givers in a large family. I would imagine mother's with small children would be a target market for you (they tend to have to keep up with a lot birthdays). But that's just an assumption. With that said, I would suggest making the site for friendly for non-technical users. I think the "bot" terminology would lose them.

With that said, I'll bookmark your site and pass it along to people I think would be your users.