Help with PayPal

I have a very simple assignment:

What we currently have:

We have a website [url removed, login to view] running on ASP.NET C# that does the following:

An admin of the system takes information from the customer over the phone or in person. The admin fills in all fields on a form and information is being stored into the database. The payment is being done separately (not on the website).

What we want to have:

Besides the admin taking information from the user and charging them separately, we also want to add a self-service. We have to re-use all of the old code, but at the same time make sure that functionality that worked before will continue to work without any glitches the way it used to work.

When a user submits registration information through self-service, prior to the information being saved into the database a payment needs to be made. If payment goes through successfully, all of the information which user filled in will be entered into existing database and notification email will be sent.

So to make things short, we need to develop C# code that submits info to paypal during the registration process and depending if transaction succeeded we follow existing code path without any changes or display a fail message to user.

I only need help with integration with PayPal. Everything else works already.

The form will be identical to below, but with different URL for self service customers. Below URL is for customers that get their info entered via broker.

[url removed, login to view]

I would prefer to collect credit card information on paypal side, but we can add fields for credit card (CC) to our form as well.

The site is [url removed, login to view]

Please find me on instant messenger GIM (Google Instant Messenger): dimapolishchuk

Thank you,


Skills: .NET, C# Programming, PayPal API

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About the Employer:
( 0 reviews ) United States

Project ID: #4143024

18 freelancers are bidding on average $127 for this job


Hi Pls check PMB for complete proposal detail. Regards

$150 USD in 3 days
(41 Reviews)

Hi eCommerce and Web Application Expert here. Please check private message for relevant work [url removed, login to view] forward to hear from you soon. Thanks

$110 USD in 15 days
(35 Reviews)

Hi, I can do this job. Our team has experience in such projects.

$150 USD in 3 days
(22 Reviews)

Hi, please check pm

$100 USD in 1 day
(34 Reviews)

We can work in your PayPal help. I am a leader of the team expert in several tecnologies like PHP, .NET, Oracle, SQL, Movil applications. I have 14 Years of experience in Software development Windows and Web. Expert in More

$140 USD in 5 days
(21 Reviews)

Hi, I could deliver you this project. Please check my profile for more details. Thanks!

$80 USD in 5 days
(12 Reviews)

Hi, I have integrated PayPal with a number of sites and I will be happy to do it again with yours. I will help you create a PayPal test account to test the system without using real money and when everything is ok we More

$60 USD in 2 days
(12 Reviews)

I have 7 yr exp in with extensive exp in implementation of payment gateways.

$100 USD in 15 days
(5 Reviews)

We have already done paypal integraton from C# to Paypal for our portal. Please check your PMB for details:

$200 USD in 1 day
(1 Review)

Hello I can help you, please check your PMB. Regards,

$120 USD in 2 days
(1 Review)

i can do it

$50 USD in 15 days
(0 Reviews)

I have experience in integrating PayPal for other projects. Want to work with you in this project.

$200 USD in 7 days
(1 Review)

Hello .NET expert here with payment gateway integration. Check PMB.

$170 USD in 5 days
(0 Reviews)

Hi, we have an working Paypal API integration wrapper, which could be used also for your purpose

$150 USD in 3 days
(0 Reviews)

I have completed .NET/C# web applications with integrated Paypal before, I don't see this being a problem at all. I built this site from scratch: [url removed, login to view] The site uses Paypal integration More

$200 USD in 5 days
(0 Reviews)

Have experience in PayPal Integration for one of my Client's website relate to airport car booking.

$100 USD in 2 days
(0 Reviews)

Dear Hiring Manager I think About your job> >You want to integrate paypal in your website. > After payment success you record user information as well. > after complete high level requirements its take 15 working d More

$150 USD in 10 days
(0 Reviews)

Hi, I am a software developer in ASP.NET. I understand your requirement and I have already done made stuff.

$50 USD in 2 days
(0 Reviews)