WooCommerce Integration

Coming Soon

WordPress plugin for XRechnung and ZUGFeRD. Open source and fully customizable for your WooCommerce store.

WordPress Plugin in Development

Our official WooCommerce Plugin is currently in development. In the meantime, you can integrate Invoice-api.xhub via WooCommerce Webhooks or custom PHP Hooks.

Features

WordPress Plugin

Easy installation via the WordPress plugin directory

WooCommerce Hooks

Seamless integration with all WooCommerce events

Open Source

Plugin code available on GitHub for customization

HPOS Compatible

Supports High-Performance Order Storage

PHP Hook Integration

Available WooCommerce Hooks

Use WooCommerce action hooks to automatically create e-invoices for orders.

woocommerce_order_status_completed

Order completed

woocommerce_payment_complete

Payment received

woocommerce_new_order

New order created

woocommerce_checkout_order_processed

Checkout completed

php

1// WooCommerce Hook für E-Rechnung
2add_action('woocommerce_order_status_completed', 'create_einvoice', 10, 1);
3 
4function create_einvoice($order_id) {
5    $order = wc_get_order($order_id);
6 
7    // Nur für B2B mit USt-ID
8    $vat_id = $order->get_meta('_billing_vat_id');
9    if (empty($vat_id)) return;
10 
11    $invoice_data = [
12        'type' => 'xrechnung-3.0',
13        'seller' => [
14            'name' => get_option('woocommerce_store_name'),
15            'vatId' => get_option('xhub_seller_vat_id'),
16            'address' => [
17                'street' => WC()->countries->get_base_address(),
18                'city' => WC()->countries->get_base_city(),
19                'zip' => WC()->countries->get_base_postcode(),
20                'country' => WC()->countries->get_base_country()
21            ]
22        ],
23        'buyer' => [
24            'name' => $order->get_billing_company(),
25            'vatId' => $vat_id,
26            'address' => [
27                'street' => $order->get_billing_address_1(),
28                'city' => $order->get_billing_city(),
29                'zip' => $order->get_billing_postcode(),
30                'country' => $order->get_billing_country()
31            ]
32        ],
33        'items' => array_map(function($item) {
34            return [
35                'description' => $item->get_name(),
36                'quantity' => $item->get_quantity(),
37                'unitPrice' => $item->get_total() / $item->get_quantity(),
38                'vat' => 19
39            ];
40        }, $order->get_items()),
41        'reference' => $order->get_order_number()
42    ];
43 
44    // API Call zu Invoice-api.xhub
45    wp_remote_post('https://service.invoice-api.xhub.io/api/v1/invoice/de/xrechnung/generate', [
46        'headers' => [
47            'Authorization' => 'Bearer ' . get_option('xhub_api_key'),
48            'Content-Type' => 'application/json'
49        ],
50        'body' => json_encode($invoice_data)
51    ]);
52}

Webhook Integration

Alternatively, you can use WooCommerce Webhooks and connect with an automation platform like n8n or Make.com.

1
Create WooCommerce Webhook
WooCommerce → Settings → Advanced → Webhooks
2
Create n8n/Make Workflow
Receive webhook and transform data
3
Call Invoice-api.xhub API
Create e-invoice and return to WooCommerce

json

1// Alternative: WooCommerce Webhooks
2// Einstellungen → WooCommerce → Erweitert → Webhooks
3 
4// Webhook erstellen:
5// - Name: "E-Rechnung bei Zahlung"
6// - Status: Aktiv
7// - Thema: "Bestellung aktualisiert"
8// - Lieferungs-URL: https://your-n8n.com/webhook/woo-invoice
9 
10// Payload enthält komplette Bestelldaten:
11{
12  "id": 12345,
13  "status": "completed",
14  "billing": {
15    "company": "Musterfirma GmbH",
16    "address_1": "Musterstraße 123",
17    "city": "Berlin",
18    "postcode": "10115",
19    "country": "DE"
20  },
21  "meta_data": [
22    { "key": "_billing_vat_id", "value": "DE123456789" }
23  ],
24  "line_items": [...]
25}

Use Cases

B2B Shop

Automatic XRechnung for business customers with VAT ID

1Add VAT ID field to checkout
2Hook on payment receipt
3Create XRechnung via Invoice-api.xhub
4Attach PDF to order confirmation

Wholesale

ZUGFeRD invoices for resellers

1Wholesale plugin detects B2B customers
2Automatic ZUGFeRD EXTENDED
3Shipping with delivery note
4GoBD-compliant archiving

Multivendor

E-invoices for marketplace vendors

1Dokan/WCFM vendor detected
2Separate invoice per vendor
3XRechnung with vendor data
4Automatic commission billing

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