Paypal Accept Credit Card Payments?
Feb 17, 2010I am creating my first e-commerce site.I have a nonprogramming ?; Does Paypal accept credit card payments or should i use a third party gateway to accept credit card payments?
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Oct 27, 2010I'm trying to get PayPal's ExpressCheckout working with Recurring Payments. I've got the first two stages (the calls to SetExpressCheckout and GetExpressCheckoutDetails) but CreateRecurringPaymentsProfile fails with the error below. I'm using a modified version of Paypal's sample code, but I suspect I'm (not) setting an encoder value. Anyone used this before? The error:
// TIMESTAMP: 2010-10-27T09:57:47Z
// CORRELATIONID: ad2b2da33c672
// ACK: Failure
// VERSION: 51.0
// BUILD: 1553277
// L_ERRORCODE0: 11502
// L_SHORTMESSAGE0: Invalid Token
// L_LONGMESSAGE0: The token is invalid
// L_SEVERITYCODE0: Error
The code I'm using is:
/// This returns true
public bool SetExpressCheckout(string amt, ref string token, ref string retMsg)
{
string host = "www.paypal.com";
if (bSandbox) {
pendpointurl = "https://api-3t.sandbox.paypal.com/nvp";
host = "www.sandbox.paypal.com";
}
string baseUrl = "http://" + HttpContext.Current.Request.Url.Authority;
string[] returnUrlParts = WebConfigurationManager.AppSettings["PaypalReturnUrl"].Split('?'),
cancelUrlParts = WebConfigurationManager.AppSettings["PaypalCancelUrl"].Split('?');
string returnURL = baseUrl + VirtualPathUtility.ToAbsolute(returnUrlParts[0]) + (returnUrlParts.Length > 1 ? '?' + returnUrlParts.Skip(1).Aggregate((itms, itm) => itms + itm) : string.Empty),
cancelURL = baseUrl + VirtualPathUtility.ToAbsolute(cancelUrlParts[0]) + (cancelUrlParts.Length > 1 ? '?' + cancelUrlParts.Skip(1).Aggregate((itms, itm) => itms + itm) : string.Empty);
NVPCodec encoder = new NVPCodec();
encoder["METHOD"] = "SetExpressCheckout";
encoder["RETURNURL"] = returnURL;
encoder["CANCELURL"] = cancelURL;
encoder["AMT"] = amt;
//encoder["PAYMENTACTION"] = "SALE";
encoder["CURRENCYCODE"] = "GBP";
encoder["NOSHIPPING"] = "1";
encoder["L_BILLINGTYPE0"] = "RecurringPayments";
encoder["L_BILLINGAGREEMENTDESCRIPTION0"] = "Subscription for MySite";
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = HttpCall(pStrrequestforNvp);
NVPCodec decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
string strAck = decoder["ACK"].ToLower();
if (strAck != null && (strAck == "success" || strAck == "successwithwarning")) {
token = decoder["TOKEN"];
string ECURL = "https://" + host + "/cgi-bin/webscr?cmd=_express-checkout" + "&token=" + token;
retMsg = ECURL;
return true;
} else {
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
"Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
"Desc2=" + decoder["L_LONGMESSAGE0"];
return false;
}
}
/// This returns true
public bool GetExpressCheckoutDetails(string token, ref string PayerId, ref string retMsg)
{
if (bSandbox) {
pendpointurl = "https://api-3t.sandbox.paypal.com/nvp";
}
NVPCodec encoder = new NVPCodec();
encoder["METHOD"] = "GetExpressCheckoutDetails";
encoder["TOKEN"] = token;
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = HttpCall(pStrrequestforNvp);
NVPCodec decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
string strAck = decoder["ACK"].ToLower();
if (strAck != null && (strAck == "success" || strAck == "successwithwarning")) {
return true;
} else {
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
"Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
"Desc2=" + decoder["L_LONGMESSAGE0"];
return false;
}
}
// This fails and returns false with the following in the decoder result
// TIMESTAMP: 2010-10-27T09:57:47Z
// CORRELATIONID: ad2b2da33c672
// ACK: Failure
// VERSION: 51.0
// BUILD: 1553277
// L_ERRORCODE0: 11502
// L_SHORTMESSAGE0: Invalid Token
// L_LONGMESSAGE0: The token is invalid
// L_SEVERITYCODE0: Error
public bool CreateRecurringPaymentsProfileCode(string token, string amount, string profileDate, string billingPeriod, string billingFrequency, ref string retMsg)
{
NVPCallerServices caller = new NVPCallerServices();
IAPIProfile profile = ProfileFactory.createSignatureAPIProfile();
profile.APIUsername = this.APIUsername;
profile.APIPassword = this.APIPassword;
profile.APISignature = this.APISignature;
profile.Environment = "sandbox";
caller.APIProfile = profile;
string host = "www.paypal.com";
if (bSandbox) {
pendpointurl = "https://api-3t.sandbox.paypal.com/nvp";
host = "www.sandbox.paypal.com";
}
NVPCodec encoder = new NVPCodec();
encoder["VERSION"] = "51.0";
// Add request-specific fields to the request.
encoder["METHOD"] = "CreateRecurringPaymentsProfile";
encoder["TOKEN"] = token;
encoder["AMT"] = amount;
encoder["PROFILESTARTDATE"] = profileDate; //Date format from server expects Ex: 2006-9-6T0:0:0
encoder["BILLINGPERIOD"] = billingPeriod;
encoder["BILLINGFREQUENCY"] = billingFrequency;
encoder["L_BILLINGTYPE0"] = "RecurringPayments";
encoder["DESC"] = "Subscription for MySite";
// Execute the API operation and obtain the response.
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = caller.Call(pStrrequestforNvp);
NVPCodec decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
//return decoder["ACK"];
string strAck = decoder["ACK"];
bool success = false;
if (strAck != null && (strAck == "Success" || strAck == "SuccessWithWarning")) {
success = true; // check decoder["result"]
} else {
success = false;
}
StringBuilder buffer = new StringBuilder();
for (int i = 0; i < decoder.Keys.Count; i++) {
buffer.AppendFormat("{0}: {1}", decoder.Keys[i], decoder.GetValues(i).Aggregate((vals, val) => vals + "----" + val));
}
retMsg = buffer.ToString();
return success;// returns false
}
If it helps, the code which is calling it is :
NVPAPICaller ppapi = new NVPAPICaller();
NVPCodec decoder = new NVPCodec();
string retMsg = string.Empty,
token = Convert.ToString(Session["token"]),
finalPaymentAmount = "15",
payerId = Convert.ToString(Session["payerId"] ?? string.Empty); // set from SetExpressCheckout
bool shippingSuccess = ppapi.GetExpressCheckoutDetails(token, ref payerId, ref retMsg);
if (shippingSuccess) {
payerId = Session["payerId"].ToString();
btnConfirm.Enabled = false;
bool paymentSuccess = ppapi.CreateRecurringPaymentsProfileCode(token, finalPaymentAmount, DateTime.Now.ToString("yyyy-M-DTH:m:s"), "Year", "1", ref retMsg);
// but paymentSuccess is false
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<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Page05.aspx.vb" Inherits="Page05" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<title>Page05</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" /><link href="Eng05.css" type="text/css" rel="Stylesheet" />
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<body>
<form id="Form5" method="post" runat="server">
<a id="ankera-p5"></a>
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<div id="inner_container">
<p>THE "ANY SMALL AD" WEB SITE</p>
<p>How to pay</p>
xxxxxxxx
<p><a href="Page11.aspx#ankera-p11" >Back to Services page</a></p>
<p><a href="Default.aspx#ankera-p1" >Back to home page</a></p>
<p></p>
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</div> <!-- End of container -->
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[Code]....
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