Idempotency doesn't. It's meant to prevent duplicate actions. For what you're talking about, that fraud system is already built into Stripe! Stripe's fraud shi

Idempotency doesn't. It's meant to prevent duplicate actions. For what you're talking about, that fraud system is already built into Stripe! Stripe's fraud shield detects high velocity (along with hundreds of other signals)[1]. You can also tune Stripe Radar[2] to block purchases with amounts that would be abnormally high for your business. [1] https://stripe.com/docs/radar/risk-evaluation#high-risk https://stripe.com/docs/radar/risk-evaluation#high-risk [2] https://stripe.com/docs/radar/rules https://stripe.com/docs/radar/rules