Google Billing from Places API Without Users


I launched my bubble app about two months ago and I am now starting to see some users using the platform. However I don’t understand how the Google Cloud billing is so high, when I have so few users.

As an example, on 15/8 Analytics says that I didn’t have any users that day, but the Google billing account has charged me £36 for that day alone. Does anyone know why this may be so high, is it bots hitting the site for example?

Any advice on how to handle the Google Places API calls or best practices? I’m afraid I’ll have to shut the website down with costs this high when it is still in it’s infancy.