No spending limit / no ability to set a budget, unlike Google or OpenAI. Be prepared for an eye-watering invoice if you have a bug or get hacked.

edit: Why downvote? It's correct, and it's a risk that competitors handle better, including for their CDN products (compared to Bunny CDN). Maybe you are just used to the risk and haven't felt the burn yourself yet. Or you have the mistaken notion that there is no price at which temporary downtime is worthwhile to avoid paying.