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## Resource: Introduction

## Article: Introduction

## Article Link: https://dev.wix.com/docs/api-reference/business-management/get-paid/invoices/introduction.md

## Article Content:

# About the Invoices APIs

The Invoices APIs allow you to create, manage, and send business invoices, customize their appearance, and control how invoice numbers are generated.

- The [Invoices API](https://dev.wix.com/docs/api-reference/business-management/get-paid/invoices/invoices/introduction.md) is the core API for creating, managing, and tracking invoices through their full lifecycle from draft through payment, including sending invoices to customers, recording payments, and generating PDF documents.
- The [Invoice Presets API](https://dev.wix.com/docs/api-reference/business-management/get-paid/invoices/invoice-presets/introduction.md) manages reusable templates that define each invoice's appearance and field structure.
- The [Invoices Settings API](https://dev.wix.com/docs/api-reference/business-management/get-paid/invoices/invoices-settings/introduction.md) controls the numbering schema applied when invoices are published.

With the Invoices APIs, you can:

- Create and manage invoices with custom or catalog line items, taxes, and payment terms.
- Publish invoices, assign invoice numbers, and send them to customers.
- Track invoice payments, including partial payments and deposits.
- Generate PDF documents of invoice files.
- Customize invoice appearance and field structure using reusable presets.
- Configure the invoice numbering schema for a site.
- Perform bulk operations for creating, updating, deleting, and tagging invoices.

## Terminology

- **Invoice**: A formal request for payment containing detailed billing information, customer details, and payment terms.
- **Invoice preset**: A reusable template that defines the appearance, content structure, and default settings for invoices.
- **Default preset**: The preset automatically applied when new invoices are created on the site.
- **Invoice settings**: Site-level configuration for invoice numbering. Only one entity exists per site.
- **Deposit**: A partial upfront payment amount configured on the invoice. Defines the initial payment amount presented at checkout.
- **Status qualifier**: A system-managed flag providing additional context about an invoice's state, such as `SENT`, `VIEWED`, or `OVERDUE`.