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n8n workflow

Generate EN 16931 e-invoices from n8n

fakturai lets n8n turn webhook, CRM, or form data into technically checked ZUGFeRD / Factur-X invoice PDFs. The workflow sends JSON to the REST API and receives a PDF/A-3 file with embedded XML.

Workflow shape

Webhook -> HTTP Request -> Respond to Webhook

Endpoint

POST https://fakturai.de/api/v1/invoices
X-API-Key: <FACTURAI_API_KEY>
Content-Type: application/json
Accept: application/pdf

The body follows /schemas/invoice-input/v1.json.

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