> ## Documentation Index
> Fetch the complete documentation index at: https://docs.contafy.com.mx/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Overview of Contafy - SaaS platform for managing Mexican CFDI invoices

## What is Contafy?

Contafy is a comprehensive SaaS platform designed specifically for managing Mexican CFDI (Comprobante Fiscal Digital por Internet) invoices. It enables Mexican businesses and accountants to efficiently manage multiple clients and RFCs from a single account, with automatic XML processing, tax validations, and professional reporting capabilities.

## Key features

Contafy provides everything you need to streamline your invoice management:

* **Interactive dashboard**: Real-time visualization of financial metrics with interactive charts powered by Recharts
* **Invoice management**: Automatic upload and processing of CFDI XML files with fiscal validations
* **Expense tracking**: Comprehensive registration and tracking of business expenses
* **Multi-profile support**: Manage multiple RFCs (tax IDs) from a single account - perfect for accountants managing multiple clients
* **Secure authentication**: JWT-based authentication with email verification and httpOnly cookies for enhanced security
* **Reports and analytics**: Visualize financial trends with interactive graphs and export data to Excel/PDF formats
* **Responsive design**: Optimized interface for mobile, tablet, and desktop devices
* **Dark theme**: Modern dark-themed interface for comfortable viewing

## Who should use Contafy?

Contafy is ideal for:

* **Mexican businesses**: Companies that need to manage their CFDI invoices and maintain compliance with SAT (Servicio de Administración Tributaria) requirements
* **Accountants and tax professionals**: Manage multiple client RFCs from a single account with multi-profile functionality
* **Self-employed professionals (Personas Físicas)**: Independent contractors who need to track income and expenses
* **Companies (Personas Morales)**: Businesses of all sizes requiring comprehensive invoice and expense management

<Note>
  Contafy supports both **Personas Físicas** (individuals) and **Personas Morales** (legal entities) with customizable fiscal regime configurations.
</Note>

## Technology stack

Contafy is built with modern, cutting-edge technologies:

* **Frontend**: Next.js 16 (App Router) with React 19 and TypeScript (strict mode)
* **Styling**: Tailwind CSS 4 with Shadcn/ui and Radix UI components
* **State management**: Zustand for global state, TanStack Query for data fetching
* **Forms**: React Hook Form with Zod validation
* **Charts**: Recharts for financial visualizations

## Getting started

Ready to start managing your CFDI invoices? Check out our [quickstart guide](/quickstart) to create your account and upload your first invoice.

If you prefer to self-host Contafy, see the [installation guide](/installation) for setup instructions.