Validating a Challenge When Using a Flex Microform Token {#pa2-use-token-flex-validate-intro}
=============================================================================================

Running the Validation service identifies the customer's bank and prepares for collecting data about the device that the customer is using to place the order. In this use case, a Flex Microform token is used instead of the payment card data.

Card-Specific Requirements
--------------------------

Some payment cards require specific information to be collected during a transaction.

[paymentInformation.card.type](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-card-type.md "")
:
This field is required when the card type is JCB, Cartes Bancaires, China UnionPay, or Meeza.
{#pa2-use-token-flex-validate-intro_dl_d1v_trz_rxb}

Country-Specific Requirements
-----------------------------

These fields are required for transactions in specific countries.

[consumerAuthenticationInformation. overrideCountryCode](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/cons-auth-info-aa/cons-auth-info-override-country-code.md "")
:
For Meeza transactions, this value must be set to `EG` if Egypt was not set as the country in merchant configuration during merchant boarding.

[orderInformation.billTo.administrativeArea](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/order-info-aa/order-info-bill-to-admin-area.md "")
:
This field is required for transactions in the US and Canada.

[orderInformation.billTo.postalCode](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/order-info-aa/order-info-bill-to-postal-code.md "")
:
This field is required when the orderInformation.billTo.country field value is `US` or `CA`.
{#pa2-use-token-flex-validate-intro_dl_gpf_5rz_rxb}

[merchantInformation.merchantDescriptor. country](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/merch-info-aa/merch-info-merchant-descriptor-country-a.md "")
:
For Meeza transactions, this value must be set to `EG` if Egypt was not set as the country in merchant configuration during merchant boarding.
{#pa2-use-token-flex-validate-intro_dl_kcl_pkc_1cc}

Endpoint
--------

**Production:** `POST ``https://api.cybersource.com``/risk/v1/authentication-results`  
**Test:** `POST ``https://apitest.cybersource.com``/risk/v1/authentication-results`

Required Fields for Validating a Challenge When Using a Flex Microform Token {#pa2-use-validate-token-flex-reqd-fields}
=======================================================================================================================

These are the minimum fields required to use a Flex Microform token when you validate a Payer Authentication challenge.

Required Fields
---------------

[consumerAuthenticationInformation.authenticationTransactionId](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/cons-auth-info-aa/cons-auth-info-authentication-txn-id.md "")
:

[paymentInformation.card.type](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-card-type.md "")
:

Related Information
-------------------

* [API field reference guide for the REST API](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/rest-api-fields-intro.md "")

REST Example: Validating a Challenge When Using a Flex Microform Token {#pa2-use-token-flex-validate-challenge-rest-ex}
=======================================================================================================================

Request

```
{
    "paymentInformation": {
        "card": {
            "type": "001"
        }
    },
    "consumerAuthenticationInformation": {
        "authenticationTransactionId": "jzULqrneaqG5H3Jev780"
    }
}
```

Response to Successful Request

```
{
    "clientReferenceInformation": {
        "code": "pavalidatecheck",
        "partner": {
            "developerId": "7891234",
            "solutionId": "89012345"
        }
    },
    "consumerAuthenticationInformation": {
        "indicator": "vbv",
        "eciRaw": "05",
        "authenticationResult": "0",
        "strongAuthentication": {
            "OutageExemptionIndicator": "0"
        },
        "authenticationStatusMsg": "Success",
        "eci": "05",
        "token": "AxizLwSTiUOsVuUwvt1DABEBTyDYFmPAAhMQyaSZejFczCmATUmo",
        "cavv": "AAIBBYNoEwAAACcKhAJkdQAAAAA=",
        "paresStatus": "Y",
        "xid": "AAIBBYNoEwAAACcKhAJkdQAAAAA=",
        "directoryServerTransactionId": "231b97bd-2a3d-4500-b666-fda90334e5db",
        "threeDSServerTransactionId": "1d0c7257-9bd3-4fe9-b399-8c513c88d699",
        "specificationVersion": "2.2.0",
        "acsTransactionId": "83c7e636-3af2-4a96-9e59-7c6754127d24"
    },
    "id": "7254446789006754504003",
    "paymentInformation": {
        "card": {
            "bin": "445653",
            "type": "VISA"
        }
    },
    "status": "AUTHENTICATION_SUCCESSFUL",
    "submitTimeUtc": "2024-09-04T10:11:19Z"
}     
```