--- type: object properties: invoice_id: type: integer description: Internal identifier for the incoide. Generated on POST invoice_number: type: string description: Invoice number assigned by the vendor vendor_id: type: integer description: Internal identifier for the vendor shipping_date: type: - string - "null" format: date description: Date of shipping invoice_date: type: - string - "null" format: date description: Date of billing closed: type: boolean description: If the invoice is closed close_date: type: string format: date description: Invoice close date (only when the invoice is closed) shipping_cost: type: - integer - "null" description: Shipping cost shipping_cost_budget_id: type: - integer - "null" description: Shipping cost linking to budget additionalProperties: false