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pointOfSaleInformation. amexCAPNData {#pos-info-amex-capn-data}
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Point-of-sale details for the transaction.  
This field enables you to comply with American Express CAPN requirements.  
`Visa Acceptance Solutions` generates this value, which consists of a series of codes that identify terminal capability, security data, and specific conditions present at the time the transaction occurred. To comply with the CAPN requirements, this value must be included in all subsequent follow-on requests, such as captures and follow-on credits.  
When you perform authorizations, captures, and credits through `Visa Acceptance Solutions`, `Visa Acceptance Solutions` passes this value from the authorization service to the subsequent services for you. However, when you perform authorizations through `Visa Acceptance Solutions` and perform subsequent services through other financial institutions, you must ensure that requests for captures and credits include this value.  
This field is available only for transactions using American Express payment cards on the `American Express Direct`, and `Elavon Americas` processors.

`American Express Direct`
:
For forced captures, obtain the value for this field from the authorization response.
:
For verbal authorizations, you cannot obtain a value for this field, so `Visa Acceptance Solutions` uses a default value. `Visa Acceptance Solutions` generates the value based on these factors:

    * Whether the transaction is an e-commerce transaction.
    * Whether the transaction is a card-present transaction.
    * Whether the payment data is swiped or keyed.
    {#pos-info-amex-capn-data_ul_od4_cv1_tzb}

Specifications {#pos-info-amex-capn-data_Specifications}
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* **Data Type:** String
* **Data Length:** 12

Mapping Information {#pos-info-amex-capn-data_Mapping}
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* **REST API Field:** pointOfSaleInformation.amexCAPNData
* **SCMP API Fields:**
  * auth_pos_data
  * bill_pos_data
    {#pos-info-amex-capn-data_ul_nf1_fcs_pzb}
* **Simple Order API Fields:**
  * ccAuthReply_posData
  * ccCaptureService_posData
    {#pos-info-amex-capn-data_ul_q4z_fcs_pzb}  
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