@architectsassemble

How to Design Secure VPCs and Connectivity for Issuer and Acquirer Payment Systems on AWS

3d ago · 16 min read · The issuer and acquirer sides of a card payment transaction have fundamentally different security requirements, different compliance obligations, and different connectivity patterns. Most VPC architec

How to Architect a Multi-Cloud Solution for Card Payments While Meeting PCI DSS Requirements

3d ago · 16 min read · Most teams choosing multi-cloud for card payments make the decision for the right reasons — resilience, vendor independence, regulatory data residency requirements, or existing infrastructure across A

Payment Processors with Agent-Based Logic Integration: What Your AWS Infrastructure Needs Before You Connect

5d ago · 11 min read · Most teams building agent-based payment systems focus on the wrong problem. They spend weeks evaluating payment processors. Stripe vs Adyen. Coinbase x402 vs Worldpay. Which processor has the best age

Payment State, Idempotency and Failure Handling on AWS: What Agent-Based Systems Actually Require

Mar 31 · 4 min read · The infrastructure that handles human-initiated payments breaks in a specific way when you hand control to an agent. Here's what changes, and why it matters before you find out in production. Most pay

The Architecture That Got You to Series B Will Not Get You to Series C

Mar 15 · 6 min read · AWS's Well-Architected Framework makes an observation that doesn't get enough attention outside of technical architecture circles. Most system failures at scale are not caused by bad engineering. They