Online & E-Commerce Payment Gateway Solution

As one of the leading online and e-commerce payment service providers in Hong Kong, we provide a range of payment gateway solutions—Visa, MasterCard, UnionPay, Alipay, WeChat Pay, FPS, Octopus, and more—empowering businesses to reach more customers. Our payment gateway systems and app streamline checkout and processing to enhance speed and satisfaction. With flexible settlement options, you can customize payouts to optimize cash flow and ensure efficient operations.

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Harness the Benefits of E-Commerce

Beyond a secure, all-in-one payment gateway, we empower merchants to maximize e-commerce success with innovative solutions: 

Streamline all payments and processes

Flexible settlement periods

User-friendly merchant backend

By combining secure transactions with revenue-driving tools, we help businesses thrive in the digital marketplace.

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OUR ONLINE PAYMENT SYSTEMS SUPPORT A WIDE RANGE OF E-COMMERCE PLATFORMS

Integration & Payment Options

Integration & Payment Options

Upon activation, merchants receive comprehensive API documentation for easy payment gateway integration. Our solution supports multiple payment methods, including credit cards, e-wallets and UnionPay, ensuring a secure checkout experience on their e-commerce stores.

Streamlined Payments for Seamless E-commerce

Streamlined Payments for Seamless E-Commerce

Plug-and-play integration is available for online platforms, such as Wix, Shopify, SHOPLINE, and WooCommerce, streamlining the payment processing for e-commerce stores.

How We Keep Your Online Payments Secure

At Payment Asia, security is fundamental. Our payment gateway for online businesses is certified to PCI DSS, international standards for protecting cardholder and customer data. We help merchants reduce fraud risk and maintain trust, especially for e-commerce and digital businesses.

Why PCI DSS Matter?

PCI DSS

A global payment card industry data security standard created by major card networks to ensure the encrypted handling of cardholder data and reduce breach risks.

Benefits for Your Business

  • Secure handling of sensitive payment data
  • Reduced fraud risk for merchants and customers
  • Ongoing adherence to industry best practices

By using a PCI DSS certified online payment gateway solution like Payment Asia, you minimize vulnerabilities and show your commitment to secure, compliant transactions.

Global Payment And Settlement Solutions

Our online payment solution enables secure global transactions with seamless currency conversion, helping merchants expand globally.

Global acquiring

Accepts multiple currencies

With efficient international processing and settlement, we unlock new growth opportunities in global markets.

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Merchant Showcases

SHOWCASE 01

Omusubi

KEY SOLUTIONS

  • In‑app payment gateway for mobile ordering
  • Multi‑payment POS integration (QR code, cards, Octopus, PayMe, cash)
  • Self‑order kiosk payment integration
  • Real‑time, consolidated transaction reporting

Payment Asia’s seamless integration streamlined payments across our app, POS, and kiosks, delivering fast checkout and unified transaction reporting.

OMUSUBI
SHOWCASE 02

Hong Kong Children's Book Fair

PLAY FULL VIDEO →

KEY SOLUTIONS

  • POS terminal solution for exhibitors, supporting multiple payment methods
  • Integrated loyalty points system to enhance customer engagement
  • E-ticketing site powered by Payment Asia’s payment gateway

Partnering with Payment Asia as our exclusive payment provider allowed us to deliver seamless payment experiences for exhibitors and visitors. With POS terminals integrated with loyalty systems and an e-ticketing site powered by their payment gateway, we enhanced convenience and efficiency.

Hong Kong Children's Book Fair
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