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productInformation. selectedProducts. payments. cardProcessing. configurationInformation. configurations. common. processors.\[processorName\]. currencies.\[currency\]. merchantId {#prod-info-sel-prod-pay-card-proc-conf-info-conf-comm-proc-curr-merch-id}
==============================================================================================================================================================================================================================================================

Merchant identifier assigned by an acquirer or a processor. This field should not be overridden by any other party.  
This field is available for these processors: `Barclays Merchant Services`, `China UnionPay`, `eftpos`, `Elavon Americas`, `FDC Nashville Global`, and `Visa Platform Connect`.

Syntax {#prod-info-sel-prod-pay-card-proc-conf-info-conf-comm-proc-curr-merch-id_Syntax}
----------------------------------------------------------------------------------------

```
{
  "productInformation": {
    "selectedProducts": {
      "payments": {
        "cardProcessing": {
          "configurationInformation": {
            "configurations": {
              "common": {
                "processors": [
                  "<processor>": {
                    "currencies": [
                      "<currency>": {
                        "merchantId": "testrest"
                      }
                    ]
                  }
                ]
              }
            }
          }
        }
      }
    }
  }
}
```

* **\<processor\>**: The processor that is associated with the merchant account.
* **\<currency\>**: The currency that is supported by the merchant account.

The value of this field must conform to this regular expression:

```
^[0-9a-zA-Z]+$
```

{#prod-info-sel-prod-pay-card-proc-conf-info-conf-comm-proc-curr-merch-id_codeblock_mtg_2qq_yxb}

Specifications {#prod-info-sel-prod-pay-card-proc-conf-info-conf-comm-proc-curr-merch-id_Specifications}
--------------------------------------------------------------------------------------------------------

* **Data Type:** String
* **Minimum Data Length:** 1
* **Maximum Data Length:** 11
  {#prod-info-sel-prod-pay-card-proc-conf-info-conf-comm-proc-curr-merch-id_ul_blr_hxq_dyb}

Mapping Information {#prod-info-sel-prod-pay-card-proc-conf-info-conf-comm-proc-curr-merch-id_Mapping}
------------------------------------------------------------------------------------------------------

**Boarding Registration Service API Field:** productInformation.selectedProducts.payments.cardProcessing.configurationInformation. configurations.common.processors.\[processorName\].currencies.\[currency\].merchantId  
**Product Enablement and Configuration Service API Field:** payments.cardProcessing.configurationInformation.configurations.common. processors.\[processorName\].currencies.\[currency\].merchantId  
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