Pre-check before the DATEV upload
Validate incoming client invoices against the official KoSIT rules for XRechnung and EN 16931. Every error comes with a plain-language explanation and a concrete fix, so rejected documents become the exception.
Partner program
E-invoice compliance for tax advisors (Steuerberater) and their clients
Since 2025, German businesses must be able to receive structured e-invoices under § 14 UStG (German VAT Act), and issuing them becomes mandatory in 2027/2028. BelegBridge helps you check your clients' XRechnung and ZUGFeRD files before they reach DATEV – with clear explanations instead of cryptic rule codes.
Why partner with us
Less back-and-forth with clients, fewer rejected invoices
Built for firms that handle invoices for many clients (Mandanten) and want to catch errors before bookkeeping starts.
White-label validator link
Give your clients a validator link in your firm's name so they can check invoices themselves before sending them to you.
Planned
Multi-client management
With the Agency plan you manage up to 10 seller tax IDs (USt-IdNr. or Steuernummer) in one account and route each client's invoices to the right DATEV inbox.
Planned
Data protection by design
Invoices are processed in memory only and discarded right after the check – no storage, no cookies. A data processing agreement under Art. 28 GDPR (AVV), including a template addendum for professional secrecy under § 203 StGB (German Criminal Code), is available: view the AVV.
How it works
How the partner program works
Three steps from application to automated invoice checks for your clients.
Apply for early access
Join the partner waitlist in under a minute. Founding partners are onboarded first and help shape the multi-client features.
Onboarding & your validator link
We set up your account, register your clients' tax IDs and provide a white-label validator link you can share with your clients.
Clients validate, you stay informed
Clients check their invoices before sending them, and you see the results. Later, the bridge creates compliant ZUGFeRD invoices automatically and forwards them to the buyer and to DATEV.
Pricing
The Agency / Partner plan
One plan for firms that manage invoices for several clients. Billed annually by default – two months free.
Agency / Partner
For tax advisors (Steuerberater), accounting firms and agencies with several clients.
€990
/ year
equals €82.50 per month · 2 months free
€99
/ month
billed monthly
- Multi-client dashboard
- Per-client DATEV routing
- White-label validator link for your clients
- REST API and unlimited webhooks
Additional tax IDs: +€10/month or +€100/year each.
Referral option · 25% commission
Free partner validator link + 25% recurring referral commission
Prefer referring clients rather than managing conversions centrally? Share your free partner validator link with clients and earn a 25% recurring referral commission on referred Starter and Pro subscriptions.
Good to know
- Conversion quotas reset on the 1st of every calendar month – also on annual billing.
- Each registered tax ID belongs to exactly one client. The seller's tax ID and legal name are always taken from your verified account, never from incoming data.
- The free validator stays free – for you and your clients.
- Paid plans are in early access. Joining the waitlist is free and non-binding.
FAQ
Frequently asked questions
Is the validator free for my clients?
Yes. The online validator is free and requires no registration. A fair-use limit per visitor protects the service from abuse. Partner features such as the white-label link and the multi-client dashboard are part of the Agency plan.
Which formats are supported?
XRechnung 3.0 in both syntaxes (UN/CEFACT CII and UBL 2.1), ZUGFeRD 2.x / Factur-X from the EN 16931 profile upwards, and hybrid PDF/A-3 files with an embedded XML invoice. Simple PDFs without structured data are detected and flagged, because they are not e-invoices under § 14 UStG.
Where is the data processed?
Uploaded invoices are processed exclusively in memory and discarded immediately after the response – nothing is written to disk or a database. Operation is intended exclusively on servers in Germany or the EU; our privacy policy names the hosting provider. Privacy policy
Does BelegBridge replace DATEV?
No. BelegBridge prepares and validates e-invoices and forwards them – your bookkeeping and archiving stay in DATEV or your existing accounting software.
When does the bridge launch?
The automated bridge (Stripe, PayPal, email and API) is currently in early access. Founding members on the waitlist get access first and are informed by email before launch.
Ready for the e-invoicing mandate?
Become a founding partner and get first access to the white-label validator and multi-client features.