About This Architecture

Commercial payment platform sequence diagram orchestrating merchant authentication, onboarding, e-transfer processing, and settlement across six phases on AWS. Merchant Client connects via React/Angular Dashboard to AWS Cognito OAuth 2.0, Spring Boot REST API, and Payment Engine, with Apache Kafka Event Bus enabling async fan-out to Invoicing Service and Reporting Module backed by PostgreSQL RDS and Redis Cache. Architecture demonstrates 30% onboarding effort reduction and 28% peak load reduction through event-driven design, independent service scaling, and caching strategies. Fork this diagram on Diagrams.so to customize authentication flows, add payment gateways, or adapt for your compliance requirements. OSFI-compliant immutable event logging via Kafka ensures regulatory audit trails for Canadian financial institutions.

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How do you design a scalable AWS payment platform with event-driven architecture and OSFI compliance?

This diagram shows a six-phase AWS payment platform using Cognito for authentication, Spring Boot REST API for merchant operations, Apache Kafka for immutable event logging, and async fan-out to Invoicing and Reporting services. Redis caching reduces peak load by 28% while PostgreSQL RDS provides persistent storage, achieving 30% onboarding effort reduction through decoupled, independently scalabl