This endpoint allows you to import an e-invoice.

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This endpoint is DEPRECATED
As an alternative, please use either:

• Import a customer e-invoice endpoint
• Import a supplier e-invoice endpoint

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UBL and CII XML support is in alpha.

A 201 response confirms the file was accepted and parsed, but invoices imported via
standalone UBL or CII XML have two known limitations:

• The uploaded file is not displayed in the app — no document preview is generated yet for these formats.
• The invoice is not recognized as an electronic invoice within Pennylane.

Factur-X PDF remains the recommended format for production use.

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This endpoint requires the following scope: e_invoices:all