✍️ API Management Architecture in Open Banking on AWS

🚀 Introduction

The API layer is the heart of Open Banking. Every customer request, account inquiry, and payment initiation passes through secure APIs.

AWS provides a robust architecture for exposing APIs while protecting critical banking systems.

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🌍 Real-World Example

Account Balance Request

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☁️ AWS Services Used

API Services

• Amazon API Gateway

Edge Security

• Amazon CloudFront
• Route 53

Protection

• AWS WAF
• AWS Shield

Integration

• AWS PrivateLink

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🔒 Security Best Practices

• OAuth 2.0
• OpenID Connect
• API throttling
• JWT validation
• Mutual TLS
• Rate limiting

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🎯 Conclusion

A secure API layer allows banks to open services to external providers without exposing the internal banking environment.

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