Aryze develops Pay by Bank products that enable UK merchants to accept bank-authenticated, account-to-account payments through Open Banking and Mastercard payment rails. The company provides payment-flow interfaces, service orchestration, transaction routing, fraud and security controls, reporting, reconciliation, and integration support. It serves merchants including iGaming operators, crypto exchanges, e-commerce businesses, digital services, and subscription providers seeking faster fiat deposits, predictable payment costs, and reduced reliance on card payments.