NihaoPay - Global acquirer for UnionPay, AliPay, and WeChatPayNihaoPay, NihaoPay is a global acquirer for UnionPay, AliPay, and WeChatPay. By adding NihaoPay payment options, you open your doors to the world’s largest eCommerce market. Our easily integrated API plugs in to your existing checkout process, no costly switching or long integration times.