Paypal повторяющаяся ошибка транзакции платежа: 11502: токен недействителен

Я новичок в paypal, и мне нужно реализовать подписку ( повторяющийся платеж) для моего клиента.Я использую песочницу paypal для ее реализации. Я следил за тем, как paypal настаивает на создании повторяющегося платежного профиля. При получении признания "успех" из SetExpressCheckout, GetExpressCheckOut и DoExpressCheckOut . Я попытался создать профиль повторяющегося платежа с помощью токена из ответа DoExpressCheckOutpayment, но ответ от Createrecurrinpayment профиль возвращает сбой, заявив, что ток в ivnalid. Я попытался установить "BILLINGAGREEMENTDESCRIPTION и BILLINGTYPE=RecurringPayments" в моем запросе экспресс-проверки, но также сохраняется та же ошибка.

пожалуйста, найдите код, который я использовал для выполнения повторяющихся депозит под.

SetEXpressCheckout

{
NameValueCollection values = new NameValueCollection();

            values["METHOD"] = "SetExpressCheckout";

            values["RETURNURL"] = PayPalSettings.ReturnUrl;

            values["CANCELURL"] = PayPalSettings.CancelUrl;

            values["PAYMENTACTION"] = "Sale";

            values["CURRENCYCODE"] = "USD";

            values["BUTTONSOURCE"] = "PP-ECWizard";

            values["USER"] = PayPalSettings.Username;

            values["PWD"] = PayPalSettings.Password;

            values["SIGNATURE"] = PayPalSettings.Signature;

            values["SUBJECT"] = "";

            values["L_NAME0"] = "MyName";

            values["L_AMT0"] = "20.00";

            values["VERSION"] = "2.3";

            values["AMT"] = PayPalSettings.OrderAmount;

            values["L_BILLINGTYPE0"] = "RecurringPayments";

            values["L_BILLINGAGREEMENTDESCRIPTION0"] = "Test subscription";





            values = Submit(values);



            string ack = values["ACK"].ToLower();



            if (ack == "success" || ack == "successwithwarning")

            {

                return new PayPalRedirect

                {

                    Token = values["TOKEN"],
                    Url = String.Format("https://{0}/cgi-bin/webscr?cmd=_express-checkout&token={1}",
                       PayPalSettings.CgiDomain, values["TOKEN"])
                 };
            }
             else
            {
            throw new Exception(values["L_LONGMESSAGE0"]);
            }
}

отправить

private static NameValueCollection Submit(NameValueCollection values)

        {

            string data = String.Join("&", values.Cast<string>()

              .Select(key => String.Format("{0}={1}", key, HttpUtility.UrlEncode(values[key]))));



            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(

               String.Format("https://{0}/nvp", PayPalSettings.ApiDomain));



            request.Method = "POST";

            request.ContentLength = data.Length;



            using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))

            {

                writer.Write(data);

            }



            using (StreamReader reader = new StreamReader(request.GetResponse().GetResponseStream()))

            {

                return HttpUtility.ParseQueryString(reader.ReadToEnd());

            }

        }

GetExpressCheckout

public ActionResult Success(string token)

    {

        GetExpressCheckout getExpressCheckout = new GetExpressCheckout();

        GetExpressCheckoutDetailsResponseType getExpressCheckoutResponse = getExpressCheckout.ECGetExpressCheckoutCode(token);



        if (getExpressCheckoutResponse.Ack == AckCodeType.Success)

        {

            ExpressCheckout expressCheckout = new ExpressCheckout();

            DoExpressCheckoutPaymentResponseType doExpressCheckoutResponse = expressCheckout.DoExpressCheckoutPayment

                                                        (

                                                            token,

                                                            getExpressCheckoutResponse.GetExpressCheckoutDetailsResponseDetails.PayerInfo.PayerID,

                                                            PayPalSettings.OrderAmount,

                                                            PaymentActionCodeType.Sale,

                                                            CurrencyCodeType.USD

                                                        );



            if (doExpressCheckoutResponse.Ack == AckCodeType.Success)

            {

CreateRecurringPaymentsProfile createRecurringPaymentsProfile = new CreateRecurringPaymentsProfile();               

                CreateRecurringPaymentsProfileResponseType recurringPaymentProfileResponse = createRecurringPaymentsProfile.CreateRecurringPaymentsProfileCode(

                                                                                                doExpressCheckoutResponse.DoExpressCheckoutPaymentResponseDetails.Token,

                                                                                                doExpressCheckoutResponse.Timestamp,

                                                                                                PayPalSettings.OrderAmount,

                                                                                                1,

                                                                                                BillingPeriodType.Month,

                                                                                                CurrencyCodeType.USD

                                                                                                );

                if (recurringPaymentProfileResponse.Ack == AckCodeType.Success)

                {
}

CreateReEcurringPaymentsProfile

public CreateRecurringPaymentsProfileResponseType CreateRecurringPaymentsProfileCode(string token, DateTime date, string amount, int BF, BillingPeriodType BP, CurrencyCodeType currencyCodeType)

              {

                     CallerServices caller = new CallerServices();



                     IAPIProfile profile = ProfileFactory.createSignatureAPIProfile();



            // Set up your API credentials, PayPal end point, and API version.

            profile.APIUsername = PayPalSettings.Username;

            profile.APIPassword = PayPalSettings.Password;

            profile.APISignature = PayPalSettings.Signature;

                     profile.Environment="sandbox";

                     caller.APIProfile = profile;





                     // Create the request object.

                    CreateRecurringPaymentsProfileRequestType pp_request=new CreateRecurringPaymentsProfileRequestType();

                     pp_request.Version="51.0";



            // Add request-specific fields to the request.

                     pp_request.CreateRecurringPaymentsProfileRequestDetails= new CreateRecurringPaymentsProfileRequestDetailsType();

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.Token=token;

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.RecurringPaymentsProfileDetails=new RecurringPaymentsProfileDetailsType();

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.RecurringPaymentsProfileDetails.BillingStartDate=date;

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails=new ScheduleDetailsType();

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.PaymentPeriod=new BillingPeriodDetailsType();

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.PaymentPeriod.Amount=new BasicAmountType();

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.PaymentPeriod.Amount.Value =amount ;

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.PaymentPeriod.Amount.currencyID= currencyCodeType;//Enum for currency code is  CurrencyCodeType.USD

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.PaymentPeriod.BillingFrequency=BF;

                     pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.PaymentPeriod.BillingPeriod=BP;////Enum for BillingPeriod is  BillingPeriodType.Day

            //pp_request.Version = "51.0";



            pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.Description = "Test subscription";

            //pp_request.CreateRecurringPaymentsProfileRequestDetails.ScheduleDetails.Description



            // Execute the API operation and obtain the response.

                     CreateRecurringPaymentsProfileResponseType pp_response=new CreateRecurringPaymentsProfileResponseType();

                     pp_response= (CreateRecurringPaymentsProfileResponseType) caller.Call("CreateRecurringPaymentsProfile", pp_request);

                     return pp_response;

              }

любая помощь будет высоко оценили.

спасибо заранее