Across major payment processors and subscription management systems like Stripe and through most of the stack, integers are used to represent how much to charge

Across major payment processors and subscription management systems like Stripe and through most of the stack, integers are used to represent how much to charge in the smallest currency unit. [1] With that said, it's better not to reinvent the wheel here and follow the flow, and it's also the safer option— it's better to charge a customer $10 when you meant to charge them $1000, than it is to charge them $1000 when you meant to charge them $10. [1] https://stripe.com/docs/api/charges/object#charge_object-amount https://stripe.com/docs/api/charges/object#charge_object-amo...