You can add your own UBL XML in the API call. Set documentType to xml and paste the UBL as a string in the document field.
See API reference: recommand.eu/api-reference
Yes, directly via the send document endpoint.
You can add your own UBL XML in the API call. Set documentType to xml and paste the UBL as a string in the document field.
See API reference: recommand.eu/api-reference