Create Accounting Bill

Creates a new accounting bill with line items and automatic journal entry generation.

This endpoint allows for complex bill creation with:

• Multiple line items with different accounts, departments, and vendor assignments
• Automatic accounts payable journal entry creation
• Tax calculations and tax account handling
• Exchange rate support for multi-currency transactions
• Custom field support for additional bill metadata

Requirements:

• All referenced accounts must exist and be active
• Vendor must exist
• Entity must exist
• Line items must have valid amounts and descriptions
• Currency must be valid for the entity
• Accounting date must be before closed book date