An online payment gateway is a critical component in the digital commerce ecosystem, facilitating secure transactions between customers and merchants. It acts as an intermediary, encrypting sensitive payment data and ensuring its safe transfer between the buyer’s bank and the merchant’s account. Payment gateways support various payment methods, including credit cards, debit cards, and digital wallets, enhancing the customer experience by offering convenience and security. They employ advanced security measures such as encryption, tokenization, and compliance with PCI DSS standards to protect against fraud. As e-commerce continues to grow, the role of online payment gateways becomes increasingly important in providing a seamless, reliable, and secure payment process for businesses and consumers alike.