rechnungsapi

Official Kontelio SDK for invoice generation and accounting integrations in Germany. Create invoices, integrate external systems and connect your software with Kontelio. https://kontelio.de

Official MCP server for RechnungsAPI (rechnungsapi.de): let AI assistants and agents create, validate and analyze ZUGFeRD & XRechnung e-invoices.

Official TypeScript/JavaScript SDK for RechnungsAPI (rechnungsapi.de): create, validate and analyze ZUGFeRD & XRechnung e-invoices in a few lines of code.

Open-source demo ERP for RechnungsAPI (rechnungsapi.de): create, validate and read ZUGFeRD & XRechnung e-invoices. Node.js, official SDK, no database, no CDN.