InvoiceXML

What it does

Most European e-invoicing tools fall into two camps: heavyweight compliance suites priced for SAP customers, or fragmented open-source libraries with stale dependencies and no support. InvoiceXML is the developer-first middle ground: - One API, every major European format. Factur-X, ZUGFeRD, XRechnung, UBL, and CII. - Generate, validate, and convert between them through a single REST endpoint. - Human-readable errors built in. - AI-assisted PDF prefill. - Zapier, Make, PowerAutomate ready

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  InvoiceHub13d ago · invoicehub.dev · ▲1

  EN 16931, BL 2.1, UN/CEFACT CII, XRechnung 3.0, Factur-X

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  BaseInvoiceJun 2026 · baseinvoice.eu · ▲3

  Free EU e-invoice reader and validator

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  InvoXML — EU E-Invoicing ConverterJun 2026 · rapidapi.com · ▲4

  One JSON payload → 14 compliant EU e-invoice XMLs

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  FacturwiseMay 2026 · facturwise.com · ▲1

  andate-ready ZUGFeRD & Factur-X invoicing, free to start

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  X(P)FeRDMar 2026 · ▲1

  Design single page XRechnung & ZUGFeRD conform e-invocies

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  normbillJul 2026 · normbill.com · ▲3

  valid XRechnung — or the exact reason why not

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