Integration Architecture

Overview of FinHub API integration architecture.

Architecture Diagram

Your Application
       │
       ▼
   API Gateway ─────► Authentication
       │
       ▼
   FinHub APIs
   ┌─────────────────────────────┐
   │  FinCore  FinTrans  FinCard │
   │  FinCheck FinPOS   FinExE   │
   └─────────────────────────────┘
       │
       ▼
   Webhooks ──────► Your Webhook Handler

Key Components

Component	Description
API Gateway	Entry point, authentication
Microservices	Product-specific services
Webhooks	Event notifications

Integration Patterns

• Synchronous: Request/response
• Asynchronous: Webhooks for events
• Batch: Bulk operations

Best Practices

• Implement retry logic
• Handle webhooks idempotently
• Use correlation IDs
• Log all transactions