Quick Start

This guide shows you how to create your first certified invoice with FNE Client in just a few minutes.

Prerequisites

• FNE Client installed and configured (see Installation)
• A valid FNE API key
• PHP 8.2 or higher

Basic Example: B2C Invoice

Laravel

Symfony

Native PHP

B2B Invoice Example

For a B2B invoice, you must provide the clientNcc:

Error Handling

FNE Client throws typed exceptions on error:

Next Steps

Now that you've created your first invoice:

1. Guides - Sales Invoices - Learn advanced features
2. Guides - Purchase Slips - Certify purchase slips
3. Guides - Refunds - Create refunds for your invoices
4. Examples - Check out more code examples