Fondo SDK Patterns Overview Production-ready patterns for integrating with Fondo tax and accounting data. Fondo is a managed bookkeeping platform that syncs through QuickBooks Online and payroll providers. Integration uses the -authenticated REST endpoints for exports, the QuickBooks Online API for GL data, and structured CSV parsing with Zod validation for bulk imports. Singleton Client Error Wrapper Request Builder Response Types Testing Utilities Error Handling | Pattern | When to Use | Example | |---------|-------------|---------| | wrapper | All Fondo API calls | Structured error logging…