PayPal payment provider in C #

I was wondering if PayPal has a payment service that allows users to enter their credit card information on my site (the user did not even know that they pay by PayPal). Then I need to make sure that it handles re-payments and refunds. Basically, I need to create a PayPal service that implements the following:

public interface IPaymentService {
    Response ValidateCard(NetworkCredential credential, int transactionID, decimal amount, string ipAddress, CardDetails cardDetails, Address billingAddress, Options options);
    Response RepeatCard(NetworkCredential credential, int oldTransactionID, int newTransactionID, decimal amount);
    Response RefundCard(NetworkCredential credential, int refundedTransactionID, int newTransactionID, decimal amount);
}

public class Address {
    public virtual string Address1 { get; set; }
    public virtual string Address2 { get; set; }
    public virtual string Address3 { get; set; }
    public virtual string Town { get; set; }
    public virtual string County { get; set; }
    public virtual Country Country { get; set; }
    public virtual string Postcode { get; set; }
}

public class CardDetails {
    public string CardHolderName { get; set; }
    public CardType CardType { get; set; }
    public string CardNumber { get; set; }
    public int ExpiryDateMonth { get; set; }
    public int ExpiryDateYear { get; set; }
    public string IssueNumber { get; set; }
    public string Cv2 { get; set; }
}

public class Response {
    public bool IsValid { get; set; }
    public string Message { get; set; }
}

public class Options {
    public bool TestStatus { get; set; }
    public string Currency { get; set; }
}

This is usually quite trivial with other other payment providers, such as PayPoint (soap service) and SagePay.

Reading the documentation on PayPal gives me a headache, so I thought I'd ask here. I really appreciate the help. Thanks

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2 answers

Yes Yes. Check out this documentation.

api , PayPal.

https://www.paypal.com/cgi-bin/webscr?cmd=_dcc_hub-outside

//process payment
            Paypal toPayment = new Paypal();
            toPayment.BillingAddress = new Address(txt_BillingAddr1.Text, txt_BillingAddr2.Text, txt_BillingCity.Text, ddl_BillingState.SelectedValue, txt_BillingZip.Text, "");
            toPayment.BillingCountry = com.paypal.soap.api.CountryCodeType.US;
            toPayment.BillingFName = txt_BillingFName.Text;
            toPayment.BillingLName = txt_BillingLName.Text;
            toPayment.BillingMName = txt_BillingMName.Text;
            toPayment.BillingPhoneNumber = txt_BillingPhone.Text;
            toPayment.BillingSuffix = txt_BillingSuffix.Text;
            toPayment.ContactPhoneNumber = txtPhone.Text;
            toPayment.CreditCardExpireMonth = Convert.ToInt32(ddl_CCExpireMonth.SelectedIndex + 1);
            toPayment.CreditCardExpireYear = Convert.ToInt32(ddl_CCExpireYear.SelectedValue);
            toPayment.CreditCardNumber = txt_CreditCard.Text;
            toPayment.CreditCardSecurityCode = txt_CCID.Text;
            switch (lst_CCTypes.SelectedValue)
            {
                case "Visa":
                    toPayment.CreditCardType = com.paypal.soap.api.CreditCardTypeType.Visa;
                    break;
                case "MasterCard":
                    toPayment.CreditCardType = com.paypal.soap.api.CreditCardTypeType.MasterCard;
                    break;
                case "AmericanExpress":
                    toPayment.CreditCardType = com.paypal.soap.api.CreditCardTypeType.Amex;
                    break;
                case "Discover":
                    toPayment.CreditCardType = com.paypal.soap.api.CreditCardTypeType.Discover;
                    break;
            }
            toPayment.UserHostAddress = Request.UserHostAddress;
            toPayment.OrderTotal = StaticMethods.getDecimal(lbl_TotalPrice_cout.Text, 0);

            //set API Profile
            toPayment.APIProfile = Master.PayPal_API_Profile;

            DoDirectPaymentResponseType toResponse = new DoDirectPaymentResponseType();
            toResponse = toPayment.processDirectPaymentTransaction();

... , , paypal

toResponse Ack.... -

switch(toResponse.Ack)
{
case AckCodeType.Failure;
     // The card is bad. void transaction.
     lblResponse = toResponse.Errors[0].LongMessage;
     Break;
case AckCodeType.Success
     // The card is good.  Go forward with process
}
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, PayPal Website Payments Pro. .

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