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E-Invoice API for Developers – XRechnung, ZUGFeRD, Peppol

Create, validate, and send e-invoices compliant with XRechnung, ZUGFeRD, and Peppol standards – all through a modern REST API. Built for developers, transparent and modular, Invoice-api.xhub lets you create your first e-invoice in just 5 minutes with only 7 lines of code.

Key Features:

• German Compliance: All essential certifications and standards built right in.

• 14 Countries & 21+ Formats: Supports XRechnung, ZUGFeRD, Factur-X, FatturaPA, UBL, and more across a wide range of European countries.

• KoSIT-Validated: Official Schematron validation against the latest KoSIT schemas for maximum accuracy.

• GoBD-Compliant: Audit-proof archiving with 10-year retention.

• Peppol Gateway: Send e-invoices directly via the Peppol network (available Q3 2026).

• Fast Performance: Average latency of just ~200ms for seamless real-time integrations.

• Developer-First: Modern REST API with JSON instead of SOAP/XML, no external dependencies.

• Automation-Ready: Seamless integration with Zapier, Make.com, and n8n for no-code workflows.

• Enterprise-Ready: 99.9% uptime SLA, dedicated support, and on-premise options available.

Simple Integration in 3 Steps:

1. Get Your API Key: Create your account and instantly receive your free API key.

2. Integrate the SDK: Use typed SDKs for Node.js, Python, Go, or call the REST API directly.

3. Send Your E-Invoice: Generate valid XRechnung & ZUGFeRD PDFs and send them automatically to your customers.

Integrations:

Invoice-api.xhub integrates with leading e-commerce platforms such as Shopify, WooCommerce, Shopware, JTL-Shop, Magento, and PrestaShop, as well as automation platforms like n8n, Zapier, and Make.com.

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