Required Fields for Authorizing a Payment Using American Express and the Merchant Decryption Method

The following fields are required when submitting an authorization request using the Merchant decryption method:
  • consumerAuthenticationInformation.cavv
    -set this field to the 3-D Secure cryptogram of the payment network token.
    IMPORTANT
    Include the whole 20-byte cryptogram in the cavv field. For a 40-byte cryptogram, split the cryptogram into two 20-byte binary values (block A and block B). Set the cavv field to the block A value and set the xid field to the block B value.
  • paymentInformation.card.number
    -set this field to the payment network token value.
  • paymentInformation.card.expirationMonth
    /
    paymentInformation.tokenizedCard.expirationMonth
    -set this field to the payment network token expiration month value.
  • paymentInformation.card.expirationYear
    /
    paymentInformation.tokenizedCard.expirationYear
    -set this field to the payment network token expiration year value.
  • processingInformation.commerceIndicator
    -set this field to
    aesk
    .
  • paymentinformation.tokenizedCard.cryptogram
    -set this field to the network token cryptogram.
  • paymentInformation.tokenizedCard.transactionType
    -set this field to
    1
    .
  • processingInformation.paymentSolution
    -set this field to
    008
    .

Related Information