invoiceapi.io
  • DeutschDE
  • English
Back to invoiceapi.io

Sign in to invoiceapi.io

We will email you a six-digit sign-in code.

New here? Use the same form: the code creates your account, and every new account starts on the Free plan.

ImpressumTermsPrivacySecurity

Structured e-invoices from your data

ZUGFeRD and XRechnung through one API, validated before anything is produced and archived in Germany.

  • Test mode is free and uses the same API path
  • KoSIT validator for ZUGFeRD and XRechnung, veraPDF for the PDF/A-3U
  • SHA-256 hash chain your auditor can recompute
XRechnung · XML
<rsm:CrossIndustryInvoice>
  <rsm:ExchangedDocument>
    <ram:ID>R-2026-1001</ram:ID>
    <ram:TypeCode>380</ram:TypeCode>
  </rsm:ExchangedDocument>
  <rsm:SupplyChainTradeTransaction>
    <ram:ApplicableHeaderTradeAgreement>
      <ram:SellerTradeParty>
        <ram:Name>Muster Software GmbH</ram:Name>
      </ram:SellerTradeParty>
      <ram:BuyerTradeParty>
        <ram:Name>Kunde AG</ram:Name>
      </ram:BuyerTradeParty>
    …
ZUGFeRD · PDF/A-3U
MS

Muster Software GmbH

Beispielstraße 12 · 10115 Berlin

Rechnung

An

Kunde AG

Kundenweg 1, 80331 München

Rechnungsnummer
R-2026-1001
Rechnungsdatum
01.07.2026
Fällig am
31.07.2026
LeistungMengePreisBetrag
Beratung8 Std.120,00 €960,00 €
Netto
960,00 €
USt. 19 %
182,40 €
Gesamt
1.142,40 €

PDF/A-3U · CII XML embedded

Validation reportpassed

  • KoSIT validator · EN 16931 rules
  • veraPDF · PDF/A-3U conformant
  • SHA-256 · added to the chain