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REST API

PARes

The <PARes> element contains the payer authentication response message.
<PARes>
  (AcqBIN)
  (MerID)
  (XID)
  (Date)
  (PurchaseAmount)
  (PAN)
  (AuthDate)
  (Status)
  (CAVV)
  (ECI)
</PARes>
Element Name
Description
Type & Length
<AcqBIN>
First six digits of the acquiring bank’s identification number.
Numeric (6)
<MerID>
Identifier provided by your acquirer; used to log in to the ACS URL.
String (24)
<XID>
XID value returned in the customer authentication response. This element corresponds to the
consumerAuthenticationInformation. xid
 and
consumerAuthenticationInformation.xid
 API fields.
String (28)
<Date>
Date and time of request.
(Although the date and time should appear sequentially during all stages of the processing of an order, they may not because of differing time zones and synchronization between servers.)
DateTime (25)
<PurchaseAmount>
Authorization amount and currency for the transaction. This element corresponds to the totals of the offer lines or from the following field:
orderInformation.amountDetails.totalAmount
.
Amount (15)
<PAN>
Customer’s masked account number. This element corresponds to the
consumerAuthenticationInformation. proxyPan
 API field.
String (19)
<AuthDate>
Date and time of request.
(Although the date and time should appear sequentially during all stages of the processing of an order, they may not because of differing time zones and synchronization between servers.)
DateTime (25)
<Status>
Result of the authentication check. This field can contain one of these values:
  • Y: Customer was successfully authenticated.
  • N: Customer failed or cancelled authentication. Transaction denied.
  • U: Authenticate not completed regardless of the reason.
  • A: Proof of authentication attempt was generated.
String (1)
<CAVV>
CAVV (Visa, American Express, JCB, Diners Club, Discover, China UnionPay, and Elo) cards = * below) or AAV (Mastercard, and Maestro cards = ** below) returned in the customer authentication response. This element corresponds to the
consumerAuthenticationInformation.cav
and
consumerAuthenticationInformation.ucafAuthenticationData
 API fields.
String (50)
<ECI>
Electronic commerce indicator returned in the customer authentication response. This element corresponds to the
consumerAuthenticationInformation.eci
 and
consumerAuthenticationInformation.ucafCollectionIndicator
 API fields.
Numeric (1)
<PARes> Element
<PARes>
  <AcqBIN>123456</AcqBIN>
  <MerID>4444444</MerID>
  <XID>Xe5DcjrqEdyC37MOPfIzMwAHBwE=</XID>
  <Date>2020-02-09T07:59:46-08:00</Date>
  <PurchaseAmount>1002.00 USD</PurchaseAmount>
  <PAN>0000000000000771</PAN>
  <AuthDate>2020-02-09T07:59:46-08:00</AuthDate>
  <Status>Y</Status>
  <CAVV>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</CAVV>
  <ECI>5</ECI>
</PARes>