1.1 An invoice contains the following key information related to the transaction:

Invoice date – The date the invoice was raised
Invoice due date – The invoice's due date
Amount – The total amount due for the goods sold or services rendered, along with taxes and discounts
Currency – The currency of the amount represented in the invoice
Invoice raised to – Details of the customer to whom the invoice was raised
Line items – A list of the goods sold or services rendered, along with the associated quantity, rate, and price that pertains to each one of them.

Data Model

Model

Fields	Type	Description
id	string	Identifier of an invoice, unique for every customer in an accounting software.
refNumber	string	For invoice reference, this number is usually found as the name of invoice file attachments.
date	string	Defines the date at which invoice got recorded in accounting software system.
dueDate	string	The date by which customer can make payment.
shipDate	string	Date on which the goods/services are actually been shipped.
trackingNo	string	Shipment Tracking Number of the invoice.
LineAmount type	string	Type of Line Amount.
description	string	Message enclosed in the invoice.
status	number	Status of invoice as:The visible invoice status will be “active” which is “1”. In case invoice is invisible from the list, its status would be inactive, which will be“0”.
amount	number	Total value of the invoice.
balance	number	The remaining amount left to be paid from the total invoice amount.
totalTax	number	Tax amount on Invoice.
currency	string	Currency of invoice
type	string	It is categorized as invoice & bills. For billing, the type is mentioned as " billing". For invoicing, it is " invoicing".
lineItems	lineitem[]	Array of line items is mentioned below.
contact	contact[]	Contact object is mentioned below.
account	account[]	Object of account is mentioned below.
exchangeRate	number	The rate for conversion of currency.