Discover Authorization with EMV Data {#um-processing-discover-auth-intro}
=========================================================================

A Discover authorization with EMV data is an authorization request that can be for a nominal amount of 1.00 USD or a fare amount up to 15.00 USD. Mass transit Discover transactions are supported only in the U.S.

Endpoint {#um-processing-discover-auth-intro_d7e16}
---------------------------------------------------

**Production:** `POST ``https://api.visaacceptance.com``/pts/v2/payments`{#um-processing-discover-auth-intro_d7e25}  
**Test:** `POST ``https://apitest.visaacceptance.com``/pts/v2/payments`{#um-processing-discover-auth-intro_d7e35}

Required Fields for a Discover Authorization with EMV Data {#um-processing-discover-auth-reqd-fields}
=====================================================================================================

clientReferenceInformation.code
:

clientReferenceInformation.comments
:
Set this field to `TransitDA BAU nominal value auth`.

clientReferenceInformation.partner.solutionId
:
`Visa Acceptance Solutions` provides the value for this field.

clientReferenceInformation.partner.thirdPartyCertificationNumber
:
`Visa Acceptance Solutions` provides the value for this field.

clientReferenceInformation.transactionId
:

orderInformation.amountDetails.currency
:

orderInformation.amountDetails.totalAmount
:
Set this field to `1.00`.

paymentInformation.card.type
:
Set this field to `004`.

pointOfSaleInformation.catLevel
:
Set this field to `2`.

pointOfSaleInformation.emv.cardSequenceNumber
:
Set this field to `99`.

pointOfSaleInformation.emv.tags
:

pointOfSaleInformation.entryMode
:
Set this field to `contactless`.

pointOfSaleInformation.terminalCapability
:
Set this field to `5`.

pointOfSaleInformation.terminalId
:

pointOfSaleInformation.terminalPinCapability
:
Set this field to `0`.

pointOfSaleInformation.trackData
:

processingInformation.authorizationOptions.aggregatedAuthIndicator
:
Set this field to `true`.

processingInformation.authorizationOptions.deferredAuthIndicator
:
Set this field to `true`.

processingInformation.commerceIndicator
:
Set this field to `retail`.

processingInformation.industryDataType
:
Set this field to `transit`.

REST Example: Discover Authorization with EMV Data {#um-processing-discover-auth-ex-rest}
=========================================================================================

Request

```
{
    "clientReferenceInformation": {
        "comments": "TransitDA BAU nominal value auth",
        "code": "123456",
        "transactionId": "1346334405",
        "partner": {
            "solutionId": "123456",
            "thirdPartyCertificationNumber": "123456789012"
        }
    },
    "processingInformation": {
        "industryDataType": "transit",
        "capture": "false",
        "commerceIndicator": "retail",
        "authorizationOptions": {
            "deferredAuthIndicator": "true",
            "aggregatedAuthIndicator": "true"
        }
    },
    "orderInformation": {
        "amountDetails": {
            "totalAmount": "1.00",
            "currency": "USD"
        }
    },
    "paymentInformation": {
        "card": {
            "type": "004"
        }
    },
    "pointOfSaleInformation": {
        "terminalId": "12345678",
        "catLevel": "2",
        "entryMode": "contactless",
        "terminalCapability": "5",
        "terminalPinCapability": "0",
        "emv": {
            "tags": "9F2608101F3F75E8596414820211009F360200019F2701409F100A01151000000000000000950500000000009F370438A871109A032212129F1A0208409F33030008089F3501259F02060000000000005F2A0208409C01008407A0000001523010",
            "cardSequenceNumber": "99"
        },
        "trackData": ";651000XXXXXXXXXX=49122011804088500000?"
    }
}
```

Response to a Successful Request

```
{
    "_links": {
        "authReversal": {
            "method": "POST",
            "href": "/pts/v2/payments/6920241974736435904951/reversals"
        },
        "self": {
            "method": "GET",
            "href": "/pts/v2/payments/6920241974736435904951"
        },
        "capture": {
            "method": "POST",
            "href": "/pts/v2/payments/6920241974736435904951/captures"
        }
    },
    "clientReferenceInformation": {
        "code": "123456",
        "comments": "TransitDA BAU nominal value auth",
        "partner": {
            "solutionId": "123456"
        },
        "transactionId": "1346334405"
    },
    "id": "6920241974736435904951",
    "orderInformation": {
        "amountDetails": {
            "authorizedAmount": "1.00",
            "currency": "USD"
        }
    },
    "paymentAccountInformation": {
        "card": {
            "type": "004"
        }
    },
    "paymentInformation": {
        "accountFeatures": {
            "category": "DI",
            "group": "0"
        },
        "tokenizedCard": {
            "type": "004"
        },
        "card": {
            "type": "004"
        }
    },
    "pointOfSaleInformation": {
        "emv": {
            "tags": "9F2701409F3501259F36020001"
        }
    },
    "processorInformation": {
        "systemTraceAuditNumber": "033732",
        "approvalCode": "813783",
        "cardReferenceData": "05",
        "networktransactionId": "VISJ      303226529970011",
        "retrievalReferenceNumber": "322614033732",
        "consumerAuthenticationResponse": {
            "code": "0",
            "codeRaw": "0"
        },
        "transactionId": "VISJ      303226529970011",
        "responseCode": "00",
        "avs": {
            "code": "2"
        }
    },
    "reconciliationId": "6920241974736435904951",
    "status": "AUTHORIZED",
    "submitTimeUtc": "2023-08-14T14:43:19Z"
}
```