QuickBooks Online Overview Connect your application to QuickBooks Online (QBO) via the Intuit Developer API. This skill covers OAuth2 setup, CRUD operations for core accounting entities (invoices, bills, payments, customers, vendors, accounts), and report generation (P&L, balance sheet, cash flow). Works with both sandbox and production QBO companies. Instructions Step 1: Set up OAuth2 Register your app at developer.intuit.com. QBO uses OAuth2 with refresh tokens (expire after 100 days). Step 2: Create an API client Step 3: Manage customers and vendors Step 4: Create and manage invoices Step…