---
title: "What is an XRechnung and what do I need the Buyer Reference for?"
slug: "was-ist-eine-xrechnung-und-wofür-benötige-ich-die-leitweg-id"
updated: 2026-01-16T12:49:39Z
published: 2026-01-16T12:49:39Z
canonical: "help.frisbii.com/was-ist-eine-xrechnung-und-wofür-benötige-ich-die-leitweg-id"
---

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

# What is an XRechnung and what do I need the Buyer Reference for?

### XRechnung

- What is an XRechnung?

An XRechnung is a standardized XML invoice that is required for the exchange of electronic invoices from and with German administrations. It complies with Directive 2014/55/EU in Germany. Frisbii Media automatically generates an XRechnung that can be used.

- Retrieve XInvoice via API: API endpoint [https://api.frisbii-media.com/#tag/Invoices/operation/getInvoiceXml](https://api.frisbii-media.com/#tag/Invoices/operation/getInvoiceXml)
- Download XRechnung in the Merchant Backend:
  - Open the **Invoices** tab.
  - Click on the **Invoice ID** in the list view. The invoice opens.
  - Click on **Download** **XRechnung** in the action bar.
- Download XRechnung in Self Service: Every customer can download an XRechnung independently in the **Invoices** snippet.

The Federal Government provides further information on XRechnungen at [https://www.e-rechnung-bund.de/](https://www.e-rechnung-bund.de/).

### Buyer Reference

The buyer reference is mandatory for electronic invoicing to public clients of the federal administration.

The buyer reference can be managed in a customer account.

- Add buyer reference to a customer account in the Merchant Backend
  - Create new customer manually: Click on **Create Customer**.
  - For existing customers: Edit **customer data**.
- Adding a buyer reference to a customer account via the API
  - [https://api.frisbii-media.com/#tag/Customers/operation/createCustomer](https://api.frisbii-media.com/#tag/Customers/operation/createCustomer)
  - [https://api.frisbii-media.com/#tag/Customers/operation/updateCustomer](https://api.frisbii-media.com/#tag/Customers/operation/updateCustomer)