Limit orders per customer to help prevent fraud
Restrict the number of orders a customer can place within a 24-hour period.
You can now set Customer Order Limits to reduce fraudulent activity and prevent abuse.
This feature lets you define how many orders a single customer can process within a 24-hour window. Limits are applied at the customer level—not per address or subscription—so they can’t be bypassed by adding new addresses.
This builds on Customer Block Lists to give you more control over suspicious activity and protect against fraudulent subscription orders.
See Prevent fraud by setting order limits for your customers for more information