Last update 6/09/2018

1. Introduction

When accepting American Express payments via the acquirer Alpha Card you can send the following additional invoice information along with the order details.

  • Invoice reference
  • Invoice date to appear in bank files
  • Total invoice amount (VAT excl.)
  • Total invoice VAT amount

Please note that there might be cases of acquirers not supporting these fields on their side.

2. Transmitting the Invoice Information

You can send the additional invoice information along via e-Commerce, e-Terminal, Batch and DirectLink.

2.1 e-Commerce

The following hidden fields are used to transmit the additional invoice information to our system via e-Commerce:

<input type="hidden" name="INVORDERID" value="">
<input type="hidden" name="INVDATE" value="">
<input type="hidden" name="AMOUNTHTVA" value="">
<input type="hidden" name="AMOUNTTVA" value="">

Field Explanation
INVORDERID Invoice reference
INVDATE Invoice date to appear in bank files
AMOUNTHTVA Total invoice amount (VAT excl.) (* 100 to avoid decimals)
AMOUNTTVA Total invoice VAT amount (* 100 to avoid decimals)

The information will be displayed on the e-Commerce screen

For further information, go to e-Commerce.

AmEx Alphacard via e-Commerce

The following parameters are used to transmit the additional invoice information to our system via DirectLink:

Field Explanation
INVORDERID Invoice reference
INVDATE Invoice date to appear in bank files
AMOUNTHTVA Total invoice amount (VAT excl.) (* 100 to avoid decimals)
AMOUNTTVA Total invoice VAT amount (* 100 to avoid decimals)

For further information, go to DirectLink.

2.3 Batch

The following fields are used to transmit the additional invoice information to our system via Batch:

Field Content  Field number
Invoice number 6
Invoice date to appear in bank files 28
Total Invoice amount (VAT excl.) (* 100 to avoid decimals) 32
Total Invoice VAT amount (* 100 to avoid decimals) 33

For further information, go to Batch.

2.4 e-Terminal

The additional invoice information can be entered in the e-Terminal transaction voucher.

AmEx Alphacard via e-Terminal

For further information, go to e-Terminal.

3. Field specifications

Following are the technical specifications for the additional fields:

Data Format Max. Length
Invoice number AN 15 (Amex:12)
Invoice date to appear in bank files MM/DD/YY 8
Total Invoice amount (VAT excl.) N 12
Total Invoice VAT amount N 12

4. Transaction feedback

The additional invoice information will be visible in the order details in the back office and will also be shown on the customer’s bank statement.

As a leading global digital payment service provider, Ingenico Payment Services provides a seamless response to the complexity of payments, whatever the channel: online, mobile and point-of-sale. Offering innovative e-commerce, multi-channel, financial, and marketing solutions, it helps merchants to manage, collect and secure their payments, prevent fraud and increase their revenues through higher conversions. Ingenico Payment Services is part of the Ingenico Group, the global leader in seamless payment.

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