Authorizing a Payment with American Express Using
Cybersource
 Decryption Method

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

The following fields are required when submitting an authorization request using the
Cybersource
 decryption method:
  • descriptor
    -set this field under the
    fluidData
     object to
    RklEPUNPTU1PTi5TQU1TVU5HLklOQVBQLlBBWU1FTlQ=
    .
  • processingInformation.commerceIndicator
    -set this field to
    aesk
    .
  • paymentInformation.fluidData.value
    • Set the field to the value that was returned from Samsung Pay in the
      3ds.data
       block as follows:
      • Retrieve the payment data from Samsung Pay in JSON Web Encryption (JWE) format.
      • Encode it in Base64.
      • Add the value to the
        paymentInformation.fluidData.value
         field.
  • paymentInformation.tokenizedCard.transactionType
    -set this field to
    1
    .
  • processingInformation.paymentSolution
    -set this field to
    008
    .

Related Information

Authorizing a Payment

  1. Send the service request to
    https://api.cybersource.com
    /pts/v2/payments
    .
  2. Include the required fields in the request.
  3. Include optional fields in the request as needed.
  4. Check the response message to make sure that the request was successful. A 200-level HTTP response code indicates success. For information about response codes, see Transaction Response Codes.

Example:
Cybersource
 Decryption with American Express Using the REST API

Light Dark
Authorization Request
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{"clientReferenceInformation": {
        "code": "demorefnum"
    },
    "processingInformation": {
        "paymentSolution": "008",
        "commerceIndicator": "aesk"
    },
    "paymentInformation": {
        "tokenizedCard": {
            "transactionType": "1",
            "type": "003"
        }
    },
    "fluidData": {
      "descriptor": "ABCDEFabcdefABCDEFabcdef0987654321234567",
      "value": "RklEPUNPTU1PTi5TQU1TVU5HLklOQVBQLlBBWU1FTlQ="
    },
    "billTo": {
        "firstName": "James",
        "lastName": "Smith",
         "address1": "111 S. Division St.",
         "address2": "Suite 123",
         "locality": "Ann Arbor",
         "administrativeArea": "MI",
         "postalCode": "48104-2201",
         "country": "US",
         "email": "demo@example.com",
         "phoneNumber": "9999999999"
      },
      "orderInformation": {
         "amountDetails": {
             "currency": "USD",
             "totalAmount": "100.00"
         }
      }}
Authorization Response
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{"clientReferenceInformation": {
        "code": "demorefnum"
    },
    "orderInformation": {
        "amountDetails": {
            "currency": "USD",
            "authorizedAmount": "100.00"
        }
    },
    "paymentInformation": {
         "tokenizedCard": {
            "prefix": "593056",
            "suffix": "0842",
            "expirationMonth": "08",
            "expirationYear": "2021"
         }
    },
    "processingInformation": {
        "reconciliationID": "13209256CGJSMQCZ"
    },
    "processorInformation": {
        "approvalCode": "888888",
        "responseCode": "100",
        "avs": {
            "code": "I1"
        }
    },
    "submitTimeUtc": "2015-11-03T205202Z"
    }    
}