German e-invoice automation for n8n, Make, Zapier, and agents
Practical guides for generating, technically validating, and routing German B2B e-invoices in automation tools, APIs, and agent workflows.
n8n workflow
Generate EN 16931 e-invoices from n8n
Webhook, HTTP Request, and response-node setup for German ZUGFeRD / Factur-X invoices.
Make scenario
Generate German e-invoices from Make
A Make scenario for CRM, form, or shop data using the fakturai API and technical validation.
Zapier workflow
Generate ZUGFeRD invoices with Zapier and an API
How Zapier can request a German B2B e-invoice from deals, forms, or spreadsheets.
API and agents
German e-invoicing API for agents, backends, and MCP clients
Why agents need a narrow validating e-invoice tool instead of a full accounting suite.