Create e-invoices — ZUGFeRD & Factur-X, with required-field checks in your dashboard.
Since 2025, companies in Germany must be able to receive B2B e-invoices — and soon to send them too. With n3tz you create ZUGFeRD/Factur-X-compliant invoices in seconds, without tax jargon and without a second tool.
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The obligation
What changed in 2025
- ✗ Since 01 Jan 2025, all domestic B2B companies must be able to receive e-invoices.
- ✗ A PDF by e-mail is not an e-invoice — a structured format (ZUGFeRD/XRechnung) is required.
- ✗ From 2027/2028 the sending of structured e-invoices becomes mandatory step by step.
The solution
Compliant without extra effort
- ✓ ZUGFeRD/Factur-X: a PDF with embedded XML — readable by humans and machines.
- ✓ Technical PDF/A-3 with embedded fonts and EN 16931 XML — check it any time with the free validator.
- ✓ Mandatory fields per §14 UStG are checked automatically.
- ✓ Turn a quote into an invoice with one click — no double entry.
- ✓ Application and invoice data at Hetzner (Nuremberg), generated document files in Cloudflare R2 object storage as described in the DPA — always exportable.
Received an e-invoice?
Validate ZUGFeRD & XRechnung for free
Upload an incoming e-invoice and instantly see whether it is EN 16931- and XRechnung-compliant — 100 % in your browser, no file ever leaves your computer.
E-Invoicing
E-invoicing that just works
Quotes, invoices and reminders — ZUGFeRD-compliant from one dashboard.
ZUGFeRD & Factur-X
Hybrid format: one PDF with embedded, structured EN 16931 XML. Generated as PDF/A-3b with embedded fonts and technically checkable with the free validator.
§14 UStG automatic
Tax number, service date, sequential invoice number, VAT — mandatory fields are checked before you send.
Quote → invoice
Turn an accepted quote into an invoice with one click. No re-typing, no transfer errors.
Traceable storage
Application and invoice data is held at Hetzner (Nuremberg); generated document files are placed in Cloudflare R2 object storage as described in the DPA — always findable and exportable.
Send by e-mail
Send the invoice to your customer as a ZUGFeRD PDF that any common accounting system can read.
Out of the reception
Leads become customers, appointments become jobs, jobs become invoices — the whole path in one platform.
Pricing
Transparent pricing — no hidden costs
Start small and scale as your business grows.
Standard
AI phone + chat. Monthly or annual billing.
- AI phone (24/7 call answering)
- Empfang (AI chat)
- Zentrale (dashboard)
- 150 conversation units / billing month
- Lead qualification
- Call logs & AI summaries
- Live chat takeover
- Team access (multiple users & roles)
- Push, email & webhook notifications
- Appointment booking
- Review management
- Quotes & e-invoices
Premium
Booking, quotes & reviews. The full package.
- Everything in Standard (incl. AI phone)
- 500 conversation units / billing month
- Booking + reminders + waitlist
- SMS & email confirmation
- Review management
- Quotes & e-invoices (ZUGFeRD)
- Charts & analytics
- Data Export (CSV / Excel, GDPR Art. 20)
- Push, email & webhook notifications (real-time)
Enterprise
Multi-location, custom volume, SLA.
- Everything in Premium
- Custom conversation volume
- Multi-location (agent per branch)
- API & Webhooks
- Dedicated contact & SLA
All prices exclude VAT. Standard includes 150 and Premium 500 conversation units per billing month; each additional unit costs €0.30. Unused units do not roll over. The allowance is not a usage cutoff: service remains available above it and overage is billed in arrears. Monthly plans can be cancelled with 14 days' notice at month-end, annual plans with 14 days' notice at the end of the billing year.
One unit is each started 30-minute period of actual connected call time (>0 seconds), each started block of 50 successfully delivered visitor and AI messages grouped under the same stable chat ID, or each email successfully delivered to and processed by the service. Ringing, unconnected or failed calls, system, tool and operator messages, failed deliveries, spam and duplicates detected by stable event ID do not count.
Privacy status: business data is stored with Hetzner in Nuremberg; AI text processing uses Vertex AI in the EU, while live AI calls use Gemini Live in the USA under the DPF and SCCs. The published DPA (version 13 July 2026) forms part of the contract under the Terms. The customer remains responsible for the legal basis, notices to data subjects and data-minimising configuration of its specific use. Without prior written confirmation of provider clearance or an alternative, Gemini-based features are not intended for services directed at people under 18, clinical practice or medical advice.
| Feature | Standard (199€/month) | Premium (299€/month) | Enterprise (on request) |
|---|---|---|---|
| AI chat (Empfang) | ✓ | ✓ | ✓ |
| Dashboard (Zentrale) | ✓ | ✓ | ✓ |
| Included units / billing month | 150 | 500 | Custom |
| AI phone (24/7) | ✓ | ✓ | ✓ |
| Booking + reminders + waitlist | — | ✓ | ✓ |
| Live chat takeover | ✓ | ✓ | ✓ |
| Team access (users & roles) | ✓ | ✓ | ✓ |
| Review management | — | ✓ | ✓ |
| Quotes & e-invoices (ZUGFeRD) | — | ✓ | ✓ |
| Data Export (CSV / Excel) | — | ✓ | ✓ |
| Multi-location | — | — | ✓ |
| API & Webhooks | — | — | ✓ |
| Dedicated contact & SLA | — | — | ✓ |
Don't want to set it up yourself?
Setup service: We set everything up for you — knowledge base, call forwarding, custom greeting, local device setup and employee training. On-site possible within roughly 100 km. 499€ one-time.
Book a setup call →FAQ
Frequently asked questions about e-invoicing
What is an e-invoice — isn’t a PDF enough?
An e-invoice is an invoice in a structured, machine-readable format (e.g. ZUGFeRD or XRechnung). A plain PDF or a scan no longer counts as an e-invoice since 2025, because the data cannot be read automatically. ZUGFeRD combines both: a visible PDF with embedded XML.
When is the e-invoice mandatory in Germany?
Since 1 January 2025, domestic B2B companies must be able to receive e-invoices. Mandatory sending of structured e-invoices is phased in from 2027 (larger companies) and from 2028 across the board. Switching early keeps you on the safe side.
What is the difference between ZUGFeRD and XRechnung?
XRechnung is a pure XML format, mainly used for invoices to public authorities. ZUGFeRD (Factur-X in France) is a hybrid: a PDF for humans with embedded XML for machines. For most B2B invoices in SMEs, ZUGFeRD is the most practical choice.
Are the invoices DATEV-compatible?
Every invoice is generated as PDF/A-3b with embedded fonts and EN 16931 XML. You can verify the technical output with our free e-invoice validator. Acceptance by a particular accounting system depends on its current import profile and the concrete invoice data.
Which mandatory details must an invoice contain under §14 UStG?
Among others: full name and address of supplier and recipient, tax number or VAT ID, issue date, sequential invoice number, quantity and type of service, service date, net amount and the applicable VAT rate and amount. n3tz checks these fields automatically before sending.
Can I turn my existing quotes into invoices?
Yes. In the dashboard (Zentrale), an accepted quote becomes a ZUGFeRD/Factur-X e-invoice with one click; required fields are checked before issuance. This avoids double entry and transfer errors. The business remains responsible for the tax review of the specific case.
What does the e-invoicing feature cost?
Quotes and e-invoices (ZUGFeRD) are included in Premium — 299€/month with booking and review management (AI phone and AI chat are in Standard from 199€/month). The monthly plan can be cancelled monthly; 30-day money-back guarantee (Terms § 11).
E-invoice mandate covered — without an extra tool.
Free initial consultation. ZUGFeRD-compliant from day one. 299€/month; monthly plan cancellable monthly.