Invoice interface

The EDI invoice interface enables you to submit invoices to Unite automatically, directly from your system. This reduces manual effort and saves time, costs, and resources. 

Explanation of transmitted information 

Note: All invoice documents must comply with the legal requirements of the tax authorities. 

Please provide the following data: 

Information on header level 

All fields below are mandatory. 

Description

openTRANS segment

Specifications

Invoice number

INVOICE_ID

Unique document number for each invoice.

Invoice date

INVOICE_DATE

Date the invoice was created or issued.

Date of service/delivery

DELIVERY_DATE

e.g. shipment date of goods.

Buyer address

BUYER_PARTY

Address of the ordering Unite entity.

Supplier address

SUPPLIER_PARTY

Address of your legal entity issuing the invoice or dispatching the goods. Must include VAT ID.

Unite supplier number

SUPPLIER_PARTY/PARTY_ID (type="buyer_specific")

As specified in the order.

Invoice recipient

INVOICE_PARTY

Address of the Unite entity that will settle the invoice. Corresponds to the client. Must include VAT ID.

Currency

PRICE_CURRENCY

Information on item level (line level) 

All fields are mandatory unless otherwise noted.

Description

openTRANS segment

Specifications

Article number

SUPPLIER_AID

Article number from your submitted catalogue.

Invoiced quantity

QUANTITY

Order unit

ORDER_UNIT

Unite price

PRICE_AMOUNT

Net unit price of the item based on the price quantity (see PRICE_QUANTITY).

Total price

PRICE_LINE_AMOUNT

Net total price for the item line (PRICE_LINE_AMOUNT = PRICE_AMOUNT × QUANTITY ÷ PRICE_QUANTITY).

Price quantity

PRICE_QUANTITY

Quantity on which the unit price (PRICE_AMOUNT) is based.

VAT rate

TAX

e.g. 0.19 for 19% VAT.

Date of service/delivery

DELIVERY_DATE

Date of service at item level (if different from header level).

Order number

ORDER_REFERENCE/ORDER_ID

Order number for referencing the purchase order.

Line item number

ORDER_REFERENCE/LINE_ITEM_ID

Line item number for referencing the purchase order.

Remark – used for serial numbers

REMARK

Transmitted via special syntax in REMARK field. Find further information on serial numbers on this page and in the sample file below.

Supported formats and transport protocols 

Unite relies on the proven openTRANS data format to process invoices automatically and reliably. The Unite standard is based on openTRANS 1.0 (INVOICE). 

Further supported formats and transport protocols are listed on the EDI interface overview page

Sample invoice file 

Below you’ll find a commented example file and specifications, including an EDIFACT guideline: 

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