Add a layer that knows what normal looks like for each of your accounts, on top of the checks your payment gateway already runs.
Order size, cadence, product mix, and shipping pattern are compared against that account's own history, not a single global threshold.
Sits alongside your payment gateway's checks rather than replacing them, adding a layer tuned to account-level behavior.
Because it knows an account's normal ordering pattern, it's less likely to flag a loyal customer's large seasonal order as suspicious.
Scored orders go to a review queue with a stated reason, and only the clearest cases are held automatically, keeping your team in control of the threshold.
A short walkthrough on how orders are scored and routed, and how the review threshold stays under your control.