Aryze is a payment service provider (PSP) offering Pay by Bank solutions for UK merchants. Its core product enables account-to-account (A2A) payments via Open Banking and Mastercard rails, allowing direct bank transfers instead of cards. It includes a unified API, real-time webhooks, dashboard for transaction monitoring, reconciliation tools, and features aimed at lower fees, reduced chargebacks, and faster settlements, primarily targeting iGaming, crypto exchanges, and e-commerce.