Payment gateways vs payment processors: What's the difference?

Payment gateways and payment processors perform complementary roles in online transactions: gateways provide the customer-facing checkout interface, securely capture and encrypt payment details, and send them to processors, while processors verify funds and authorization through banks and card networks, facilitate settlement to merchants, and return approval or decline messages. Businesses generally need both services, either separately or through integrated providers, and can choose among hosted, self-hosted, API-based, and payment-link gateways depending on their technical resources and desired checkout control, while processors may operate as aggregators for simpler setup or dedicated merchant account providers for greater customization. Key considerations include supported payment methods and currencies, fraud prevention, fees, transaction volume, settlement speed, integrations, reporting, regulatory compliance, and customer support. The material also promotes Airwallex as an integrated gateway, processor, and acquirer offering multi-currency, global-payment, fraud-management, and checkout-customization capabilities.

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