my %content = %{ { "RequestHeader" => { "SpecVersion" => "1.3", "CustomerId" => "[your customer id]", "RequestId" => "[unique request identifier]", "RetryIndicator" => 0 }, "TerminalId" => "[your terminal id]", "Payment" => { "Amount" => { "Value" => "100", "CurrencyCode" => "CHF" }, "OrderId" => "Id of the order", "Description" => "Description of payment" }, "ReturnUrls" => { "Success" => "[your shop payment success url]", "Fail" => "[your shop payment fail url]" } } };