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by jnegron215
This short tip will show you how to extend PayPal's .NET API by adding new members to their objects and page-level functions that will help provide a smooth error-handling experience.
by Member 9840324
J2pay is a multi-gateway payment library for Java.
by ASP.NET Community
Adapter PatternThe gang of four definition is "Convert the interface of a class into another interface clients expect. Adpater lets the classes
by ASP.NET Community
Papal Integration·         Create PayPal sandbox account (https://developer.paypal.com)·         Chose Test accounts To test a merchant

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by Member 9840324
J2pay is a multi-gateway payment library for Java.
by jnegron215
This short tip will show you how to extend PayPal's .NET API by adding new members to their objects and page-level functions that will help provide a smooth error-handling experience.
by David O'Neil
A few classes for handling PayPal Instant Payment Notifications, to take care of the necessary processing on your end.
by ASP.NET Community
Papal Integration·         Create PayPal sandbox account (https://developer.paypal.com)·         Chose Test accounts To test a merchant

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12 Oct 2015 by jnegron215
This short tip will show you how to extend PayPal's .NET API by adding new members to their objects and page-level functions that will help provide a smooth error-handling experience.
17 Apr 2018 by Member 9840324
J2pay is a multi-gateway payment library for Java.
4 Oct 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
Refer my previous answer - How to create payment gateway from asp.net[^].Please go through the code thoroughly before implementing, because money transfer is involved in the process.Also check Introduction to PayPal for C# - ASP.NET developers[^]. Here you will get everything and also...
9 Mar 2015 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
30 Apr 2015 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
My previous answer - How to create payment gateway from asp.net[^].
22 Sep 2015 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
17 Nov 2015 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
3 Jun 2016 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
13 Jan 2017 by Richard MacCutchan
What did you actually Google for? See ACH Nacha - Google Search[^].
1 Feb 2018 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money. You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third parties....
9 Aug 2013 by dharmraj.m
Hello everyone,I am implemented one subscription base application and for payment used Braintree recurring payment successful. but I need to know how we can know that if the next billing cycle transaction was fails. so that we can disable the login for that customer.
9 Aug 2013 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
11 Oct 2013 by ASP.NET Community
Adapter PatternThe gang of four definition is "Convert the interface of a class into another interface clients expect. Adpater lets the classes
11 Oct 2013 by ASP.NET Community
Papal Integration·         Create PayPal sandbox account (https://developer.paypal.com)·         Chose Test accounts To test a merchant
12 Nov 2013 by Imadoddin
Does anyone know how to integrate Dion service with ASP.NetI have no knowledge of Dion and its integrationIts all client requirementDion gave us pdf which is not enoughAnyone who used it before?
5 Jan 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
First of all, always keep in mind about the answer by OriginalGriff payment gateway implementation?[^].Saying that, I would like you to refer my previous answer - How to create payment gateway from asp.net[^] to make you started.
5 Jan 2014 by Mishra Laxmikant
I have implemented recurring payment. and for each payment i have implemented IPNhandler. I checked with IPNhandler in local running environment. But simulator is not hitting handler.I have done this many times in ASP.Net, But now my application is in MVC3.please help me...
30 Jan 2014 by ravikhoda
Refer below link Introduction to PayPal for C# - ASP.NET developers[^]
30 Jan 2014 by TrushnaK
check below links for more details:-http://www.evoluted.net/thinktank/web-development/paypal-php-integration[^]https://developer.paypal.com/webapps/developer/docs/classic/paypal-payments-standard/integration-guide/paymentdatatransfer/[^]
14 Apr 2014 by Ayush1857
can any 1 tell me how to implement payment gateway in asp.net C# using PAYU only
14 Apr 2014 by manvendra patel
try this https://www.youtube.com/watch?v=BaOFY6xTwIo[^]
14 Apr 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
Integration information and downloads[^] might help you.
15 Apr 2014 by Snehasish_Nandy
You can start from herepaypal-with-asp-net-mvc.aspx[^]
17 Apr 2014 by Mishra Laxmikant
Always getting exception The request was aborted: Could not create SSL/TLS secure channel. Please help CallerServices caller = new CallerServices(); IAPIProfile profile = ProfileFactory.createSignatureAPIProfile(); // Set up your API credentials, PayPal end...
10 Jun 2014 by Peter Leow
Free online payment service, if there is any, is likely to be scam. Do you trust your money to such service.
13 Jul 2014 by George Jonsson
I guess you can start on one of these siteshttp://www.mobilerechargeapi.com/[^]http://onlinerechargeapi.com/[^]
26 Jul 2014 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
31 Jul 2014 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
31 Jul 2014 by Raje_
Here you can find your answers :Step-by-Step Integration[^]The PayPal Shopping Cart – Add to Cart and View Cart Buttons[^]https://www.paypal.com/webapps/mpp/standard-integration[^]Good luck
31 Jul 2014 by _Amy
Refer the articles below to do the same:How to integrate PayPal in Asp.Net[^]Introduction to PayPal for C# - ASP.NET developers[^]Use of the PayPal payment system in ASP.NET[^]Use of the PayPal payment system in ASP.NET[^][Update]Read Paypal Documentation[^] and Development &...
18 Sep 2014 by raju melveetilpurayil
Paypal support only some currencies, Supported Currency by Product[^]
10 Mar 2018 by User CP
I was trying to integrate Payumoney Payment gateway in one of a E Commerce site developed in MVC4. To redirect to the gateway for payment i have to submit :
27 Dec 2014 by Member 11237565
I have a grid view. I wanted to do payment using the grid view. When I click on check out button. It would retrieve all items in the grid view and send to the paypal site. But currently it is not working. Anyone know how to do, I would be greatly appreciated.My grid view code:
27 Dec 2014 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
28 Dec 2014 by Member 11237565
I have a button which is to send all items that has been added into the grid view into the pay pal site. Currently, it only send the first column of item into the paypal site. For example, I have item A and item B in the shopping cart. Only item A information will go to the paypal site while not...
26 Jan 2015 by Nachiket G
Respected E-Commerce Specialists,Greetings !I have a support service by which I shall be needing to receive money from USA, Canada and UK to my business account in India. I am in the state of confusion about which payment gateway should I use.The point of confusion arises...
1 Feb 2015 by Jithin Geroge
Hi,I am getting Authorize .net payment gateway response code 3 , message - "The transaction amount submitted was greater than the maximum amount allowed.". On entering large amount like $1,000,000.00 on my testing account. Is there any maximum amount limit in payment gateway ? But not...
1 Feb 2015 by phil.o
The best thing to do would be to go to Authorize.NET Support[^] and ask them directly.
3 Feb 2015 by veereshIndia
Hi,I have got requirement to create an application for generating OTP messages For different gateways. Ex: gateway places a request to our Application> to generate and send the OTP messages and it provides set of rules and algorithm mechanism to encrypt and decrypt the data. The rules and...
9 Mar 2015 by dorababu407
Hi all,I was integrated successfully Authorize.net to my web application and payment process is working fine. Now i need to look about Refund process. I read in some documentation to refund amount in Authorize , we must integrate Authorize.net in Advanced Integration Method (AIM) and...
3 May 2015 by Member 11661945
I just want to know the list of vendors or servise providers who provides APIs for multiple payment gateways (for eg CCAvenue, EBS, PayPal, Citrus pay)
3 May 2015 by Richard MacCutchan
Please read Code Project Quick Answers FAQ[^].
6 Jul 2015 by Member 9792406
Hi ,I'm trying to integrate a paypal button code to my mvc website. I have created test account for buyer and seller. There are 2 buttons for two different price items. When I click on button it brings me to the paypal site and added that item into cart and that cart is maintained by...
6 Jul 2015 by ZurdoDev
This is something paypal will have to answer for you. My guess is you are passing through the same unique id when you should be passing in a new one. But refer to their documentation or contact them directly.
22 Sep 2015 by Member 10833962
I m using below code:on index.aspxpublic async Task Index() { var amount = "1"; var cardExpirtyDate = "1215"; var cardHolderName = "Card Holder Name"; var cardNumber = "4111111111111111"; var customerId =...
26 Nov 2016 by mayank.bhuvnesh
HI Need help for Payment Integration. I am using Instamojo Payment Gateway. How to integrate Instamojo Payment Gateway in asp.net??Thanks
17 Nov 2015 by F-ES Sitecore
https://www.instamojo.com/deve...
17 Nov 2015 by Maniraj.M
Use PayPal's sandbox environment..Its a test environmnet for a payment gateway
12 Dec 2015 by Balasubramanian T
Hi All, we are developing eCommerce website which handles some bank transactions. In that we are Planning to implement Wallet Concept. In this Module there is a requirement If a customer having amount of Rs.2000 they are eligible to transfer amount to their Bank Account. For transactions we...
13 Dec 2015 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
16 Dec 2015 by Member 11807374
Can anyone help me to integrate ebs paymentgateway in my andoird app..........I have merchant account in ebs.........
24 Jan 2016 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
27 May 2016 by Arunprasath Natarajan
Dear Friends,Payment is successful and amount also got deducted.But Request.Form["encResp"] is returning null value sometime.Sometime it is getting success.Kindly guide.What I have tried:Request.Form["encResp"] return values sometimes
27 May 2016 by ZurdoDev
You'll need to refer to the documentation to know why it is sometimes null. If the documentation does not provide an answer then you should contact the vendor.
22 Sep 2016 by onetdev
I am trying to implement a sample asp.net application with citrus Payment gateway integration.I gone through the linkhere I didn't understand how to send and receive the request,response and some more below points.1.How to send request to the citrus gateway from my c# code.2.how to get...
19 Jun 2016 by Member 12593209
You may write to developer.support@citruspay.com for help on this.
22 Sep 2016 by Dhatri Misra
Check out the Sample integration app - sampleintegrations/SSL2 at master · citruspay/sampleintegrations · GitHubTo put in steps - 1. Create a merchant account. Use sandbox credentials for testing and production credentials for live code. 2. You can customize your payment link URL through...
12 Oct 2016 by Mrinal Tyagi
Hello,I want to set payment gateway in my opencart website. i need to configure it with my icici bank account. There are two extensions available online but they are paid and I want to set icici bank payment gateway without using an extension or manually by coding. Please help to find some...
12 Oct 2016 by OriginalGriff
Payment gateways are not free: if they were, I would not use them.Think about it: you are giving the gateway company full details and access to both your customer account and your company account with carte blanche to do what they want. And who would be counted as responsible if they turned...
15 Jul 2017 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money. You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third parties....
10 Mar 2018 by Member 13615467
I was trying to integrate Payumoney Payment gateway in one of a E Commerce site developed in MVC. To redirect to the gateway for payment I have to submit : and in submit action this code i have.In asp.net c# its working fine but in mvc what i have to put for below code,i am getting error here...
21 Dec 2020 by Shah Parth P
Hello all coders, As I am developing the website using woocommerce, I am facing the issue with that. As soon as any of my client places prepaid order on my site, the order status is shown as Completed bydefault. I want to change it to...
19 Feb 2021 by Dave Kreskowiak
The ONLY people you should be asking question to would be Mastercard.
20 Feb 2021 by RickZeeland
Dave Kreskowiak is right, but if you want some information read this article: https://blog.darrensmith.com.au/how-credit-card-transactions-work-88a5acc9e3c[^] Quote: The Mastercard Scheme Network is a packet-switched and extremely secure network...
19 May 2021 by SeanChupas
You should start by going through their developer site, https://developer.paypal.com/docs/api/rest-sdks/[^]. They have sample code you can use. But it is very unlikely you'll only have to change a couple line of code to get this to work.
19 Apr 2022 by OriginalGriff
So go ask Apple: you need to anyway to get started using Apple Pay, so why not ask teh people who set the rates? Apple Developer Documentation[^] is a good place to start.
10 Mar 2023 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money. You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account,...
29 Oct 2014 by David O'Neil
A few classes for handling PayPal Instant Payment Notifications, to take care of the necessary processing on your end.
15 Apr 2014 by rajivsharma
I wanted to create one shopping sites where user can do online payment through net banking,credit card and debit card.For this application I am going to use MVC and JQuery. Now I just wanted to know about the payment gateway part.1)Like how it will integrate with my code.2)Do I need...
15 Apr 2014 by Tom Marvolo Riddle
Quote:1)Like how it will integrate with my code.Payment gateway service provider provides the detail about how to integrate with the site(usually a pdf file will be given which include codes,mandotory fileds to be passed,form design etc)Quote:2)Do I need to use any third party controls for...
22 Jul 2013 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
11 Feb 2017 by Cinchoo
Have you looked at Cinchoo NACHA .net library?It is open source. Check the codeproject articleCinchoo NACHA[^]
10 Feb 2017 by kkakadiya
Hello,I want to implement ACH - NACHA payment in C#. is there any reference link/tutorial/ source code there?Thanks,KrunalWhat I have tried:I have Googled for implementation of ACH - Nacha payment method but hard luck. no reference link or tutorial found.
20 Feb 2021 by Member 15078217
I need to establish a TCP persistent connection with MIP of Mastercard, how to control the message flow? How to determine the size of the message that is sent and received from Mastercard Socket? My app should be a client or a server to connect...
22 Jul 2013 by rjrohit2303
hi,I am trying to create an application with ogone payment gateway integration. can you please tell me where can I start and is there any api or something available?Rohit
1 Feb 2014 by C0DE_007
first store in SESSION before sending data on paypal , and after getting successful page , confirm your session with Paypal IPN data in it you can trace the item name you passed , then auto download tab is open ..
26 Jul 2014 by Ravalnath
I want to implement payment gateway for one of my eCommerce web site.I want a payment gateway that can be used worldwide and it should accept credit cards of all types etc
26 Sep 2014 by User CP
Hi,Anybody integrated PayU India payment gateway in .Net MVC Project?Thanks,Prasant
30 Sep 2014 by Member 11121464
Hello everyone!I have recently installed UserCakes registration/user system on my website.I want to make it so that registration is available only to users that pay a monthly fee.Does anyone have any advice on how I would go about doing this or where I could get some information? I'm...
27 May 2016 by OriginalGriff
Never, ever, accept code from a insecure website to handle anything to do with real money.You do not know who is giving you the code, you do not know what it does, you do not know that it places the monies correctly into the appropriate account, without passing the details to any third...
10 Mar 2023 by Sardar Mudassar Ali Khan SSE
Here is the Documentation I am working on Integration Part But Getting error Like Token is Not Found Can Any one Help https://developer.paypal.com/beta/vault/purchase-later/paypal/[^] What I have tried: When i am passing the Token i am getting...
5 Jan 2014 by Member 10505683
I want online payment code for use in our project "online booking movies tickets".
30 Jan 2014 by C0DE_007
i want to add paypal payment function in between upload or download .. like pay this amount to download XYZ.exe software or pay this much amount to upload XYZ file
31 Jul 2014 by Jigs Desai
i have buy credential for pay pal. i am selling multiple products on my site i want to integrate my website with pay pal shopping cart button. i have multiple product to sell how i can integrate different products with pay pal button. can any one help me ??
18 Sep 2014 by vaibhav patel
i am tired to trying INR(indian currency) to US dollar . i am using Paypal . in Paypal not available inr , so how can m passing value dollar to paypal before send value to paypal. if it is possible then please help me .
4 Oct 2014 by Maddy Pant
Hi i am starter in Asp.Net Technology , for my college project i am creating a web application name Online Examination in which when user enter to the website after successful login , in dashboard he will see that he can give list of particular exam online but he need to pay some amount like $1...
24 Nov 2014 by Khumesh Kumawat
I want to customize paypal normal payment module to chained payment paypal in AuctionWorx auction application. How to integrate in simple way?http://www.rainworx.com/AuctionWorx[^]
3 Feb 2015 by Pandu Rang
OTP are of different type, they can challenge Respond, soft Token, Email and SMS.Soft Token and Challenge Respond can also be said as 2FA (two factor authentication).Generally these systems are very complex. But if you are very specific about OTP using SMS and Email(i.e sending to OTP...
28 Nov 2016 by Prasenjit Dutta PD
Has any one have integrated ccavenue payment gateway in asp.net mvc4, actually they are providing a package whose .NET version is 3.5 and i have developed an ecommerce website using .NET version 4.5? please help me out with this problem. …
14 May 2015 by Devendra Sarang
Hello Friend,I am developing website from last 6 months in ASP.net and PHP .Now i am getting requirement for making "ECOMMERCE" website with Payement Gateway paypal, ccavenue, pay2u etc..but i don't know anything about payment gateway.even i don't know how to implement...
22 Sep 2015 by Member 10833962
I want to implement recurring payment in first-data payment gateway.I am using its API.How to implement Recurring payment in firstData Gateway using c#
24 Jan 2016 by sathya.spidy
How to integrate paygate payment gateway's PayGate PayXML with asp.net using with c# or with vb. When i run the sample application given by the paygate developer login i got an error "Authentication failed because the remote party has closed the transport stream." Hope any expert from this forum...
15 Jul 2017 by Mr_cool
Hello, I'm updating an application built in ASP.Net 3.5 I need to integrate a paypal payment gateway. What I have on the page is a textbox. The user will fill the amount in that textbox and hit Pay button. The user should now be redirected to paypal. If his payment is successful, he should...
22 Jul 2017 by Member 13323218
George the script is NOT working for me either. Did you ever find a solution? Please let me know and my email is : navalofficer0707@gmail.com Thank you
4 Dec 2017 by Richard MacCutchan
mycelium - Google Search[^]
1 Feb 2018 by Shreya Creatives
http://docs.instamojo.com/v2/d...
19 Apr 2022 by Member 15607771
I would like to add the apple pay payment method for the sales I made through my own site. As far as I know, Apple charges 30% commission on in-app purchases. However, what % will my commission rate be because I want to add it as a payment method...