Fast Refund
POST https://demo-api.vivapayments.com/acquiring/v1/transactions/{transactionId}:fastrefund
Request Body
{"amount"=>100, "sourceCode"=>"Default", "merchantTrns"=>"The text the merchant sees", "idempotencyKey"=>"string"}
POST https://demo-api.vivapayments.com/acquiring/v1/transactions/{transactionId}:fastrefund
{"amount"=>100, "sourceCode"=>"Default", "merchantTrns"=>"The text the merchant sees", "idempotencyKey"=>"string"}