Power Your eCommerce Business with a Global Payment Gateway

An ecommerce payment gateway is the technology that securely processes online payments between a customer and a merchant. When a customer completes a purchase, the gateway encrypts their payment details, requests authorisation from the issuing bank through the relevant card network, and returns an approval or decline in real time. For businesses selling internationally, the gateway must also handle multiple currencies, local payment methods, and cross-border authentication requirements such as PSD2 strong customer authentication in Europe. ONERWAY's ecommerce payment gateway connects directly to local acquiring networks in 80+ markets, which means cross-border transactions are processed as near-domestic payments wherever possible, reducing declines and increasing authorisation rates.

ONERWAY supports global card networks including Visa, Mastercard, American Express, JCB, Diners Club, Discover, and UnionPay International, alongside 160+ local payment methods across Asia-Pacific, Europe, the Middle East and Africa, North America, and Latin America. This includes digital wallets such as Apple Pay, Google Pay, WeChat Pay, and PayPal, as well as regional payment methods such as iDEAL, GrabPay, OVO, and Kakao Pay. The specific payment methods available to your business depend on your registered market and the countries your customers are based in.

ONERWAY offers plug-and-play integrations with major ecommerce platforms including Shopify, WooCommerce, Shopline, and Magento, allowing merchants to go live without custom development. For businesses requiring more control over the checkout experience, ONERWAY also provides a hosted payment page, a direct API integration, and a JS SDK for fully bespoke checkout builds. All integration modes connect to the same underlying payment infrastructure, meaning payment method coverage, routing logic, fraud prevention, and reporting are consistent regardless of how you connect.

When marketplace revenue is collected in a foreign currency and converted before settlement, hidden FX spreads and conversion fees reduce your net margin on every transaction. ONERWAY's ecommerce payment platform allows marketplace merchants to deposit funds from platforms such as Amazon directly into a multi-currency business account, holding balances in their original currency rather than triggering an immediate conversion. This allows businesses to convert at a time of their choosing using competitive exchange rates, avoiding the forced conversion charges that standard marketplace settlement typically applies.

ONERWAY's ecommerce payment solution is designed for mid-market to enterprise businesses operating across multiple markets, including cross-border ecommerce sellers, multi-vendor marketplaces, digital goods and SaaS platforms, and fund aggregators managing multiple ecommerce brands. It is particularly well-suited for businesses that need to consolidate consumer payment acceptance, marketplace account deposits, and supplier payouts into a single financial platform, rather than managing separate providers for each function. Integrations with Shopify, WooCommerce, Shopline, and Magento make it accessible for businesses already operating on major ecommerce platforms.