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Architecture at a Glance

Ottu's architecture is designed for scalability, security, and reliability. Understanding our system architecture helps you make informed decisions about integration and implementation.

High-Level Architecture​

┌─────────────────┐    ┌─────────────────┐    ┌─────────────────┐
│   Your App      │    │   Ottu Platform │    │ Payment Gateway │
│                 │    │                 │    │                 │
│  ┌───────────┐  │    │  ┌───────────┐  │    │  ┌───────────┐  │
│  │ Frontend  │  │◄───┤  │    API    │  │◄───┤  │  Gateway  │  │
│  └───────────┘  │    │  └───────────┘  │    │  │    API    │  │
│  ┌───────────┐  │    │  ┌───────────┐  │    │  └───────────┘  │
│  │ Backend   │  │◄───┤  │ Webhooks  │  │    │                 │
│  └───────────┘  │    │  └───────────┘  │    └─────────────────┘
└─────────────────┘    └─────────────────┘

Core Components​

API Layer​

  • RESTful APIs: Clean, predictable endpoints
  • GraphQL Support: Efficient data fetching
  • Rate Limiting: Prevents abuse and ensures fair usage
  • Authentication: OAuth 2.0 and API key-based security

Payment Processing Engine​

  • Multi-Gateway Routing: Smart routing to optimize success rates
  • Retry Logic: Automatic retry for failed transactions
  • Failover: Seamless switching between payment providers
  • Currency Conversion: Real-time exchange rate calculations

Security Layer​

  • Encryption: End-to-end data encryption
  • Tokenization: Secure storage of sensitive payment data
  • PCI Compliance: Level 1 PCI DSS certification
  • Fraud Detection: Advanced machine learning algorithms

Data Layer​

  • Real-time Processing: Sub-second transaction processing
  • Data Redundancy: Multiple data centers for reliability
  • Audit Logging: Comprehensive transaction history
  • Analytics: Real-time reporting and insights

Integration Patterns​

Server-to-Server​

Direct API integration for maximum control:

  • Payment creation and management
  • Webhook event handling
  • Batch operations
  • Administrative functions

Client-Side Integration​

Secure frontend implementations:

  • Payment form rendering
  • PCI-compliant card collection
  • 3-D Secure handling
  • Mobile SDK integration

Hybrid Approach​

Combination of server and client-side:

  • Backend payment creation
  • Frontend payment collection
  • Webhook confirmation
  • Custom UI/UX flows

Security Architecture​

Data Protection​

  • Encryption at Rest: AES-256 encryption for stored data
  • Encryption in Transit: TLS 1.3 for all communications
  • Key Management: Hardware security modules (HSMs)
  • Access Controls: Role-based permissions

Compliance​

  • PCI DSS Level 1: Highest level of payment security
  • SOC 2 Type II: Operational security controls
  • ISO 27001: Information security management
  • GDPR: Data protection and privacy compliance

Scalability & Performance​

Infrastructure​

  • Auto-scaling: Dynamic resource allocation
  • Load Balancing: Distributed traffic handling
  • CDN Integration: Global content delivery
  • Monitoring: 24/7 system health monitoring

Performance Metrics​

  • 99.9% Uptime: Service level agreement
  • Sub-200ms Response Time: Average API response time
  • 1000+ TPS: Transactions per second capacity
  • Global Presence: Data centers on multiple continents

Monitoring & Observability​

Real-time Monitoring​

  • Transaction Tracking: End-to-end payment monitoring
  • System Health: Infrastructure and application metrics
  • Error Tracking: Automated error detection and alerting
  • Performance Metrics: Response times and throughput

Alerting​

  • Smart Alerts: Contextual notifications
  • Escalation: Automatic escalation procedures
  • Integration: Slack, email, and webhook notifications
  • Custom Dashboards: Personalized monitoring views

Next Steps​

Now that you understand Ottu's architecture, explore:

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