What Is invoicing? An invoice is a time-stamped commercial document that itemizes and records a transaction between a buyer and a seller. If goods or services were purchased on credit, the invoice usually specifies the terms of the deal and provides information on the available methods of payment. Types of invoices may include a paper receipt, a bill of sale, debit note, sales invoice, or online electronic record. The Basics of an Invoice An invoice must state it is an invoice on the face of the bill. It typically has a unique identifier called the invoice number that is useful for internal and external reference. An invoice typically contains contact information for the seller or service provider in case there is an error relating to the billing. Turn Quotes into Invoices with minimal effort Bill automatically based on sales orders, delivery orders, contracts, or time and material. Easily create invoices based on the quotes you have sent to your clients. Send professional looking invoices directly to your clients in just a click. Automatically send them by email as a PDF attachment or print and send them by mail. Get paid faster Online payments and automated follow-ups. Accept online payments via Paypal, Ingenico, Buckaroo, Stripe, Authorize.net, Atos Worldline or Adyen. Eliminate the hassle of sending reminders for late or outstanding payments. Automated follow-ups are simple to configure and help to streamline billing to make payments quick and easy. Simplify your accounting Keep track of bank account movements and the status of invoices. Use the status overview to help keep track of drafts, paid and unpaid invoices. Automatically record all transactions from your bank accounts by importing and reconciling your bank statements. Analyze your sales Access insightful data to get the big picture. Get direct access to key information with dynamic and customizable dashboards. Make your own definition and analyze your invoicing by product, customer, salesperson, etc.