CertNode protects your revenue with three Stripe apps. Evidence Vault captures 3DS, AVS, and device data at payment time with RFC 3161 certified timestamps. Recover saves failed payments with smart retries and psychology-enhanced dunning. Reflex defends chargebacks automatically — AI gathers evidence, writes the defense narrative, and submits to Stripe in 60 seconds. $0/month on everything. You only pay when we deliver results.