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back-end_operations:transaction-based:refund [2016-06-01 13:09]
trh [Additional optional request parameters]
back-end_operations:transaction-based:refund [2021-01-12 08:12] (current)
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 Since the purpose and handling of these parameters are similar visit [[:request_parameters#shopping_basket_data|request parameters on shopping basket data]] for further information and details. Since the purpose and handling of these parameters are similar visit [[:request_parameters#shopping_basket_data|request parameters on shopping basket data]] for further information and details.
 +
 +==== Fingerprint calculation ====
  
  
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 +==== Payment facilitator model =====
 +
 +When handling credit card payments in a marketplace with multiple merchants, each payment needs to be individually deposited for each merchant and, if necessary, also a refund or recur payment is carried out for each merchant.
 +
 +When refunding a partial amount for one of the merchants, the [[payment_methods:creditcard:payment_facilitator|payment facilitator parameters]] must be provided for the back-end operation refund but with the data of the respective merchant. The shopping basket data should also be provided containing the items the respective merchant has shipped.
  
 +Regarding the **fingerprint calculation**, the relevant payment facilitator parameters are appended to the shopping basket parameters in the described order.
 ===== Additional response parameters ===== ===== Additional response parameters =====
  

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