.NET library to validate EU eInvoices that follow the EN 16931 standard.
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Sep 17, 2026 - C#
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en-16931
Here are 10 public repositories matching this topic...
EN-16931 invoice validation support
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Sep 25, 2026 - Rust
Python validator for Factur-X, UBL 2.1 and CII D22B e-invoices — EN 16931 business rules, CIUS-FR (France 2026), ZUGFeRD, Peppol BIS 3.0, CLI, JSON output for CI/CD
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Jun 25, 2026 - Python
Peppol BIS Billing 3.0 & EN 16931 E-Invoice Engine (rust client)
rust sdk validation xml rest-api peppol api-client eu ubl e-invoicing en-16931 bis-billing stanzaapi
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Sep 11, 2026 - Rust
Peppol BIS Billing 3.0 & EN 16931 E-Invoice Engine (csharp client)
sdk validation csharp xml rest-api peppol api-client eu ubl e-invoicing en-16931 bis-billing stanzaapi
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Sep 11, 2026 - C#
Peppol BIS Billing 3.0 & EN 16931 E-Invoice Engine (python client)
python sdk validation xml rest-api peppol api-client eu ubl e-invoicing en-16931 bis-billing stanzaapi
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Sep 11, 2026 - Python
Peppol BIS Billing 3.0 & EN 16931 E-Invoice Engine (typescript client)
typescript sdk validation xml rest-api peppol api-client eu ubl e-invoicing en-16931 bis-billing stanzaapi
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Sep 11, 2026 - JavaScript
Validate XRechnung 3.0.x XML and ZUGFeRD 2.5 or Factur-X 1.09 XML/PDF with pinned rules and structured findings. Batch e-invoice validation and E-Rechnung Prüfung for accounts payable automation, Steuerberater workflows, ERP and einvoice pipelines via API, n8n, Make, or MCP agents.
api automation json-api json-schema zugferd xml-validation apify xrechnung factur-x e-invoicing pdf-a en-16931 invoice-validation
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Sep 30, 2026
Causa Prima — independent third-party profile of a public API surface, by API Evangelist. Causa Prima is an AI-native fintech building an agent-to-agent network for finance teams — automating invoicing, dispute resolution, and dynamic (early-payment) discounting between buyers and suppliers.
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Oct 3, 2026
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