In my experience, no. There is no way to assess the risk properly with a bot apparently because I got screwed. I wouldn't suggest lending sites at all, and especially not with a bot.
Lending sites where decisions are made whether to lend or not, won't work with a bot.
If you have a set of pre-cleared borrowers, and the only decision is whom to lend to, so that you maximize returns; then you can use a bot.