CertNode Reflex automatically defends your Shopify Payments disputes. Built by a Stripe Partner, it detects each chargeback, gathers evidence from your orders, fulfillments, and customer history, generates a structured defense narrative for the dispute type, and submits within minutes with RFC 3161 certified timestamps. No setup needed — Reflex activates automatically for every dispute. $0 monthly: you pay a 15% success fee only when you win, billed through Shopify.