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European E-Invoicing Middleware

One Middleware for All European E-Invoice FormatsTechnical Enablement Across 15+ Countries

Unified technical middleware validating XRechnung, FatturaPA, KSeF, PEPPOL BIS, Factur-X, FacturaE, and 10+ more European formats. Single REST/SOAP API integration for your ERP - works across all EU countries. Technical validation service - not compliance management or government submission.

15+ European FormatsSingle API IntegrationEN 16931 Core + CIUSUnified Normalization
15+
European Formats Supported
85%
Integration Cost Reduction
90%
Straight-Through Processing
Overview

What Is This Service?

Our European e-invoicing middleware is a unified technical validation and integration layer that handles 15+ European invoice formats through a single API. No need to integrate separately for Germany, Italy, Poland, France, Spain, Belgium - one middleware covers all.

It validates invoices against country-specific requirements (XRechnung, FatturaPA, KSeF, PEPPOL BIS, Factur-X, FacturaE), applies EN 16931 core rules plus national extensions (CIUS), normalizes all formats into a standardized structure, and delivers clean data via REST/SOAP APIs to your ERP.

Important: This is technical enablement, not compliance management. We do NOT submit invoices to government systems, provide compliance certification, or guarantee legal compliance across all European jurisdictions. Consult local accountants/tax advisors for compliance matters.

Service Boundaries

Multi-country format validation (15+ formats)
EN 16931 + country CIUS validation
Unified data normalization
Single REST/SOAP API for all countries
Government submission services
Compliance certification or legal guarantees
Full European regulatory coverage claims
Country Coverage

Supported European Countries

Single middleware handles major European e-invoice formats with country-specific validation rules

Germany

Supported Formats

XRechnungZUGFeRD 2.xEN 16931

Regulatory Context

B2G XRechnung mandatory since 2020. Businesses need validation before PEPPOL submission.

View Germany Details
Value Proposition

Why Unified European Middleware?

Reduce Integration Costs

One middleware integration instead of 6+ separate country implementations. 70% lower development costs, single support contract.

Faster Market Entry

Launch in new European countries in weeks, not months. Pre-built validation for all major formats - no reinventing the wheel.

Consistent Data Quality

Same validation quality across all countries. Unified error handling, consistent field mapping, standardized output structure.

Easy Expansion

Add new countries without changing ERP integration. Middleware handles new formats transparently - your ERP sees same structure.

Technical Features

Key Capabilities

Multi-Country Support

Single middleware validates 15+ European e-invoice formats - Germany (XRechnung, ZUGFeRD), Belgium (PEPPOL BIS), Poland (KSeF), Italy (FatturaPA), France (Factur-X), Spain (FacturaE)

Unified Normalization

All European invoice formats normalized to single standardized output structure - one API integration covers all countries

EN 16931 Validation

Validates against European core invoice standard (EN 16931) plus country-specific extensions (CIUS) - ensures pan-European compatibility

Single API Integration

One REST/SOAP API handles all European formats - no need to integrate separately for each country

Automatic Format Detection

Middleware automatically identifies invoice format (XRechnung, FatturaPA, KSeF, etc.) and applies appropriate validation rules

Scalable Architecture

Handles invoices from 1 to 15+ European countries simultaneously - scales as your business expands across Europe

Supported Invoice Formats

XRechnung
Germany
EN 16931 + CIUS-DE
ZUGFeRD 2.x
Germany
PDF/A-3 + XML
PEPPOL BIS 3.0
Belgium
EN 16931 + B-CIUS
UBL 2.1/2.2
Belgium/EU
Universal Business Language
KSeF FA_VAT
Poland
Polish Schema
FatturaPA
Italy
SDI Schema 1.2.x
Factur-X
France
PDF/A-3 + XML
FacturaE
Spain
Facturae 3.2.x
EN 16931
EU-Wide
European Core
CII
EU-Wide
Cross Industry Invoice
Architecture

How It Works

Step 1

Multi-Source Invoices

PEPPOL, EDI, email, portals - all European formats

Step 2

NextGen Middleware

Validates 15+ formats, normalizes data, one unified output

Step 3

Your ERP System

Single API integration - works for all European countries

Step 4

Country-Specific Services (optional)

Certified providers for submission (SDI, KSeF, PEPPOL AP, etc.)

Real Scenarios

Real-World Use Cases

Pan-European Manufacturing Company

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Challenge: Operations in 8 EU countries, receiving 12,000+ monthly invoices in 6 different formats. Each country required separate validation logic and ERP integration.
Solution: Deployed unified middleware validating all European formats centrally. Single REST API integration with SAP handles XRechnung, FatturaPA, KSeF, PEPPOL BIS, Factur-X, and FacturaE.
Result: 85% reduction in integration complexity, 60% faster new country rollouts, 90% straight-through processing across all countries, single support team for entire European operation.

European E-Commerce Platform

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Challenge: Marketplace sellers from 12 EU countries needing invoice validation. Manual country-specific validation was unsustainable as platform grew.
Solution: Middleware automatically detects invoice format and country, applies appropriate validation rules (EN 16931 + country CIUS), normalizes for platform database.
Result: 95% automatic format detection accuracy, 50+ countries/formats supported with zero code changes, 75% reduction in seller invoice errors, scalable to 100+ countries.
Implementation

Implementation Process

Typical timeline: 8-11 weeks for multi-country deployment

Step 1

European Scope Assessment

Analyze current and planned European markets, invoice formats, volumes. Prioritize countries for phased rollout.

1 week
Step 2

Unified Middleware Setup

Configure multi-format validators (XRechnung, FatturaPA, KSeF, etc.), set up country routing logic, define normalization rules.

2-3 weeks
Step 3

Single API Integration

Build one REST/SOAP integration with your ERP. Same endpoints handle all European formats - no country-specific code needed.

3-4 weeks
Step 4

Multi-Country Testing

Test with real invoices from target countries. Validate format detection, country-specific rules, normalization accuracy.

2-3 weeks
Step 5

Phased Rollout

Launch countries incrementally (e.g., Germany → Poland → Italy). Monitor, optimize, add countries without code changes.

Ongoing

Ready to ExpandAcross Europe?

Multi-country technical assessment, European integration planning, and implementation support for any ERP system

Free Multi-Country AnalysisNo CommitmentROI Calculation Included
FAQ

Frequently AskedQuestions

Find answers to common questions about our solutions and services

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A

E-invoicing middleware is a technical layer between invoice sources and your ERP that validates, normalizes, and transforms electronic invoices before they enter your system. It prevents invalid data from reaching your ERP, reduces manual corrections, ensures format compliance, and separates technical integration from business logic.

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We support major European e-invoicing formats: Germany (XRechnung, ZUGFeRD), Italy (FatturaPA), France (Factur-X, Chorus Pro), Spain (FacturaE, FACe), Poland (KSeF), plus EN 16931, Peppol BIS, UBL, and CII. Each country has specific middleware configured for local requirements.

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No. We provide technical validation and integration middleware only. We are NOT: a tax authority, certified compliance provider, qualified signature provider, or legal advisor. We validate invoice format and structure but do NOT guarantee legal/tax compliance - consult your accountant for compliance matters.

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Certified providers (PDPs in France, SDI intermediaries in Italy, etc.) submit invoices to government systems and provide legal compliance. Middleware validates and normalizes invoice data for ERP integration. You may use both: middleware for ERP integration quality + certified provider for government submissions.

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Yes. We specialize in Moqui Framework and Apache OFBiz integrations. The middleware sits between invoice sources and your ERP, validates data, and creates clean JSON/XML for ERP import. We map e-invoice fields to your ERP's invoice entities, reducing manual data entry by 80-90%.

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Core functions: Format validation (XRechnung, FatturaPA, etc.), Business rule validation (VAT calculations, date logic), Data normalization (different formats → standard structure), Field extraction for ERP mapping, Error reporting with correction suggestions, and Pre-submission validation (before sending to certified providers).

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It does NOT: Submit invoices to tax authorities, Provide compliance certification, Perform digital signatures, Act as a legal entity for invoices, Replace accountants or tax advisors, Store invoices for legal archiving (unless explicitly contracted), or Guarantee VAT/tax compliance (technical validation only).

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Common users: Large enterprises with high invoice volumes (1000s/month), Multi-national companies operating across EU countries, Moqui/OFBiz ERP users needing e-invoice integration, Businesses reducing manual invoice processing costs, and Organizations coordinating between multiple certified providers and internal systems.

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Typical timeline: Requirements & mapping (1-2 weeks), Middleware configuration (2-3 weeks), ERP integration development (3-5 weeks), Testing with sample invoices (2-3 weeks), Production deployment (1 week). Total: 9-14 weeks depending on complexity, invoice volumes, and number of formats/countries.

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Typical ROI: 70-85% reduction in manual data entry time, 80-90% reduction in invoice errors requiring correction, 50-70% faster invoice processing cycles, Lower ERP support costs (cleaner data), and Improved cash flow (faster processing). Most clients achieve payback within 8-14 months.

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Still Have Questions?

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