Do they get paid on BattleBots?

I'm curious to know, do the participants in the popular television show BattleBots actually receive any form of monetary compensation for their participation? It's an intense and highly competitive arena, and I'm wondering if the contestants are rewarded financially for their efforts, skills, and the damage they inflict on their opponents' robots. It would be interesting to know if there's a prize pool or if they're paid a flat fee for taking part in the show. Can you shed some light on this matter?