Guide to payment gateway integrations: How to get started

Payment gateway integration connects a website, app, or point-of-sale system to a payment processor, enabling businesses to accept payments securely while supporting a smoother customer checkout experience. The material argues that offering preferred payment methods, multiple currencies, mobile-friendly features, and rapid checkout can reduce cart abandonment and support international growth, particularly as digital payments expand. It describes API integrations, hosted payment pages, eCommerce plugins, and payment links as options with differing levels of customization, implementation effort, and control. Key selection criteria include payment-method coverage, currency support, PCI DSS and data-protection compliance, fraud prevention, technical compatibility, total costs, and scalability. The recommended implementation process involves choosing a provider and integration method, setting up a merchant account, securing credentials, integrating the service, and testing transactions in a sandbox before launch, while presenting Airwallex as a platform offering multi-currency collection, local acquiring, and fraud-prevention tools.

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