Payment Gateway Architecture
for Scalable and Secure Transactions Introduction Payments are one of the most sensitive and failure-prone parts of a product stack. A payment gateway sits betw…
Payment Gateway Architecture for Scalable and Secure Transactions Introduction Payments are one of the most sensitive and failure-prone parts of a product stack. A payment gateway sits between your application, card networks, banks, wallets, and fraud systems, turning a user’s intent to pay into an authorized and settled transaction. For founders and CTOs, the right Payments architecture must balance reliability, compliance, latency, observability, and cost. A weak design can cause double charges, missed webhooks, authorization failures, and chargeback exposure. A strong design supports multip…