On This Page

{#jumplink-list}  
[Markdown](/docs/vas/en-us/api-fields/reference/all/rest/api-fields/buyer-info-aa/buyer-info-merchant-customer-id.md)  
Filter  
FILTER BY TAG

buyerInformation. merchantCustomerId {#buyer-info-merchant-customer-id}
=======================================================================

Customer identifier.  
This field is available only on the `Banque de France et Tresor Public`, `Barclays`, `BNP Paribas France`, `Credit Mutuel-CIC`, `FDC Compass`, `Prosa`, and `Worldpay VAP` processors.  
These processors have specific requirements:

`Credit Mutuel-CIC`
:
For recurring payments in Mexico, the value for this field is the customer's contract number.
:
Before you request the authorization, you must inform the issuer about the customer contract numbers that will be used for recurring transactions.

`Prosa`
:
For recurring payments in Mexico, the value for this field is the customer's contract number.

`Worldpay VAP`
:
For a follow-on credit, `Visa Acceptance Solutions` verifies these fields in the order given for a customer account ID value, and it uses d the first value it finds:

    1. The buyerInformation.merchantCustomerId field value in the follow-on credit request.
    2. The buyerInformation.merchantCustomerId field value that was used for the capture that is being credited.
    3. The buyerInformation.merchantCustomerId field value that was used for the original authorization.

Specifications {#buyer-info-merchant-customer-id_Specifications}
----------------------------------------------------------------

* **Data Type:** String
* **Data Length:** 15
* **Data Length**
  * `Banque de France et Tresor Public`: 20
  * `Barclays`: 17
  * `BNP Paribas France`: 20
  * `Credit Mutuel-CIC`: 20
  * `FDC Compass`: 100
  * `Prosa`: 20

Mapping Information {#buyer-info-merchant-customer-id_Mapping}
--------------------------------------------------------------

* REST API Field: buyerInformation.merchantCustomerId
* SCMP API Fields:
  * customer_account_id
  * purchaser_code
* Simple Order API Fields:
  * billTo_customerID
  * invoiceHeader_purchaserCode  
    This field is available only on the `Barclays`processor.  
    RELATED TO THIS PAGE