Added
New factur_x field on Customer Invoice
June 17th, 2026 by Integrations Squad
The customer invoice response now includes a factur_x boolean field across all endpoints that return a CustomerInvoice object (GET, POST, PUT).
This field indicates whether the invoice file is a Factur-X document (a PDF/A-3 with an embedded structured XML).
Field details
| Field | Type | Description |
|---|---|---|
factur_x | boolean | true if the invoice file is a Factur-X document, false otherwise. |
Use case
This field is particularly useful in combination with the POST /customer_invoices/e_invoice_imports endpoint and the upcoming conversion to Factur-X feature on POST /customer_invoices/imports. After importing, you can call GET /customer_invoices/:id to confirm the file was correctly identified or converted as a Factur-X document.
Affected endpoints
GET /customer_invoicesGET /customer_invoices/:idPOST /customer_invoicesPOST /customer_invoices/from_quotePUT /customer_invoices/:idPUT /customer_invoices/:id/update_importedPUT /customer_invoices/:id/finalizePOST /customer_invoices/:id/link_credit_notePOST /customer_invoices/importsPOST /customer_invoices/e_invoices/imports

