Radar Stripe Radar provides real-time fraud protection and requires no additional development time. Fraud professionals can add Radar for Fraud Teams to customize protection and get deeper insights. Get started Set up Ensure your payment integration collects transaction data needed for Stripe to assess fraud risk. Test the configuration Simulate fraudulent payments in test mode or perform what-if analyses for new rules. Manage fraud View risk evaluation results See Radar's risk ratings and actions. Process disputes Respond to and monitor cardholder claims and fraudulent activity. Customize fraud protection Set risk score Adjust the default threshold risk score that tells Radar to allow or block a payment. Create lists Maintain lists of trusted customers to automatically allow or block charges accordingly. Customize rules Modify criteria that instructs Radar to allow, block, review, or request 3DS authentication. Handle manual reviews Review suspicious payments that need a human decision.