JSON rein.
E‑Rechnung raus.

XRechnung als UBL/CII oder ZUGFeRD-PDF ohne Java-Stack. Für n8n, Make, ERP-Systeme und eigene Automationen.

● API online

B2B-Angebot. Abrechnung monatlich über Stripe. Keine Einrichtungsgebühr. Kündigung zum Ende des laufenden Abrechnungszeitraums.

30-Sekunden-Test

curl -X POST https://larger-cups-expected-corresponding.trycloudflare.com/api/v1/xrechnung \
  -H 'content-type: application/json' \
  -d '{"invoice":{"number":"RE-2026-001","issueDate":"2026-08-29","dueDate":"2026-09-12","currency":"EUR","buyerReference":"04011000-12345-34","seller":{"name":"Musterbetrieb GmbH","vatId":"DE123456789","electronicAddress":"rechnung@musterbetrieb.de","address":{"line1":"Musterstr. 1","city":"Berlin","postCode":"10115","country":"DE"},"contact":{"name":"Buchhaltung","phone":"+49 30 123456","email":"rechnung@musterbetrieb.de"}},"buyer":{"name":"Musterkunde","electronicAddress":"rechnung@kunde.de","address":{"line1":"Kundenweg 2","city":"Hamburg","postCode":"20095","country":"DE"}},"delivery":{"date":"2026-08-29"},"payment":{"meansCode":"58","iban":"DE02120300000000202051","terms":"Zahlbar innerhalb 14 Tagen netto."},"lines":[{"name":"Dienstleistung","quantity":1,"unit":"C62","netUnitPrice":100,"vat":{"category":"S","ratePercent":19}}]},"syntax":"ubl"}'

API-Dokumentation