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PHP Script for PayPal API - Permissions and Express Checkout

I need a PHP script which consists of only one class with functions inside of it to interact with PayPal. This script needs to work with both the sandbox environment and the live environment depending on my choice. I do not need a GUI only the PHP class.

Below is a scenario example from PayPal describing their Permissions API functionality. In the explanation below I am the one providing the shopping cart. This is exactly what I need to do as described by PayPal. I am the shopping cart provider.

“You provide a shopping cart for merchants and need to make calls to the Express Checkout API to complete payments into the merchant’s account. As a shopping cart provider, you are a third party to the transaction between PayPal and the merchant and, thus, require permission from the merchant to take actions that affect the merchant’s PayPal account. The Permissions Service API enables your cart to request permission to execute Express Checkout APIs on your behalf.” – from: [url removed, login to view]

PayPal provides an SDK which works, See [url removed, login to view]

This SDK has many dependant libraries. As I said before I need to be stripped down and contained only in one PHP class.

Then with the information received from PayPal I will need to be able to make Express Checkout API calls for the merchant. So the function here ( [url removed, login to view] ) would need to be modified so I can perform this for a merchant after they have approved my application. Specifically PPHttpPost would need to be modified.

I image the class to work similar to the following examples but my logic might be slightly off but this should help clarify:

Hypothetical Examples:

$yourpaypalclass->requestPermissions (### APPLICATION VARIABLES AND REQUESTED PERMISSIONS #### );

$yourpaypalclass->PPHttpPost($methodName_, $nvpStr_ ## INFORMATION RETURNED FROM requestPermissions ###)

So I will need to be able to

- Generate Request tokens for my application to act on behalf of merchants

- Send merchant to correct paypal destination with token to approve permissions

- Receive response variables when permissions granted

- Perform PPHttpPost for merchants from my application after permissions granted

All functions should reside in one class. I only need the class, no GUI required.

Do not worry about storing the information I just need it returned, I will handle saving it to a database.

This is a long explanation but if you understand my request and understand PayPal API this should be extremely easy and cost less than $100.

Kĩ năng: AJAX, MySQL, PayPal API, PHP, Kiến trúc phần mềm

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Về Bên Thuê:
( 0 nhận xét ) India

ID dự án: #1731211

8 freelancer đang chào giá trung bình $1036 cho công việc này


Hello Sir/Mam We can do this project for you. Our bid is tentative right now, we will finalize bid amount once specifications are discussed and finalized.

$1400 USD trong 25 ngày
(20 Nhận xét)

Hi, please check p.m Thanks!

$750 USD trong 25 ngày
(6 Nhận xét)

Hii I am php/mysql developer having more than 5 years of work experience, during my work experience i have did work on core php, magento, word press, smarty payment gateway Paypal, [login to view URL], Sage Pay, Ady Thêm

$1450 USD trong 30 ngày
(6 Nhận xét)

Per the details of your project I can complete the task you are asking for.

$750 USD trong 5 ngày
(1 Nhận xét)

Sir please check your pmb.

$890 USD trong 21 ngày
(3 Nhận xét)

Custom software development - The Administrator removed this message due to advertising which breaches our Terms and Conditions.

$1500 USD trong 1 ngày
(0 Nhận xét)

Hi! I've done a lot of payment providers' integration including Paypal Express Checkout similar to your requirements. Rest assured, you will be satisfied with the quality of work within the time specified. Thanks for y Thêm

$800 USD trong 7 ngày
(0 Nhận xét)

I built ecommerce sites with payment gateway integration. I can write this class for you. Please check my portfolio for reference.

$750 USD trong 7 ngày
(0 Nhận xét)