How to update CVV of stored credit card on braintree [closed] - php

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I am using braintree Payments on magento store. I have a featured to stored maskedNumber of used credit card.I am storing related token number of valuted CC. Now I want to give option to change/update Cvv of stored credit card.
I need your help here that how can I do this ? Which call I need to execute for update cvv of stored cc.

Full disclosure: I work at Braintree. If you have any further questions, feel free to contact support
The CVV will never be stored in the gateway.
We do not store the cvv, it is only used for verification purposes. If you wish to re-verify a payment method, you can provide a form via hosted fields to post only the cvv and then run a PaymentMethod update with verify_card set to true and the nonce generated from hosted fields.

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Matching Paypal's IPN Variable with Backend Variable [closed]

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I am implementing a PayPal integration system, I have successfully integrated with PayPal and create a database to store the information.
I am wishing to print a receipt after returning to my successful payment landing page.
But I came to a problem - before submitting to Paypal, I do not store anything (not user, nor anything). What can I do to match with Paypal's return IPN variable?
I do not wish the user to enter username nor email beforehand, I wish to have something that is done backend and is done by the system and not by the user.
All PayPal APIs and transaction creation mechanisms support an order/invoice number (INVNUM) and a 'CUSTOM' variable, both of which can store a unique value at transaction creation time.
The value of both of these variables will then be returned to you in the IPN for reconciliation purposes.

Signifyd credit card antifraud service Integration in X-Cart 5 [closed]

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I'm trying to implement a third party library - signifyd for my client. Signifyd is a third party service for credit card fraud prevention.
I created a X-Payments trial account for testing purpose and enabled authorizenet payment method(sandbox mode). Then I installed xpaymentsconnector module in my xcart store.
Now I need to fetch credit card details that customer entered and pass those informations with order details to api.
I checked xpaymentsconnector module.
$info = $this->client->requestPaymentInfo($transaction->getDataCell('xpc_txnid')->getValue());
Above code returns basic paymnet info. Refer: https://www.x-payments.com/help/X-Payments:Payment_information_request
$info = $this->client->requestPaymentAdditionalInfo($transaction->getDataCell('xpc_txnid')->getValue());
This is the xpaymnetconnector api call to fetch additional info. Refer: https://www.x-payments.com/help/X-Payments:Detailed_payment_and_transaction_information_request. As per doc it returns all details including cardholder name.
I tried to call PaymentAdditionalInfo API but it doesn't return cardholdername. I tried it with sample code also. Getting same result. why it doesnot return cardholder name or it returns name for live transaction only?
How can I retrieve cardholder name also.
Actually X-Cart 5 never touches credit card information so it is hard to say how you can submit this type of data to Signifyd. You would need to integrate Signifyd into appropriate payment module that integrates with X-Cart 5 and does touches credit card data.

Paypal API - Returning failed recurring account transactions [closed]

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I was wondering if there was a way to return a list of failed recurring account transactions.
I have a client who wants to have the actual list embedded on his site and doesn't want to have to log into the dashboard every single time.
I have looked all through the API yet I cannot find anything about it.
A good direction on where to look would really help as well.
Thank you.
There isn't any API that will return those directly, but you could use Instant Payment Notification (IPN) to save details about recurring payments / profiles.
Any time a new profile is created or a payment is completed, skipped, failed, etc. you would get an IPN for that transaction. Within your IPN script you can save details to your database and then pull from your own database to display the data however you need.

AuthorizeNet CIM refund Transactions for recurring profile [closed]

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I have created a recurring profile for a customer.Customer gets the subscription by pay from credit card functionality of Authorize.net CIM module.After paid the first Subscription by Customer ,I want to refund some amount from paid amount of first transaction to customer.Can some one help me .I have searched a lot on google but could not get the refund api sample code of authorize.net CIM.
Please Help.Any Help will be Appreciated and will save my time.
You can see the format of the XML request and response for Refund a Transaction for a Customer Profile at http://developer.authorize.net/api/reference/#charge-customer-profiles-refunding-a-transaction-for-a-customer-profile. You can even run a test transaction in the console using your sandbox API Login and Transaction Key.

Store client data in Paypal [closed]

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We developed a E-Commerce website. Customer will come and purchase products in our site, we get payment by paypal-pro payment gateway.
Our need is, any possible to store credit-card data in payal for the particular account/user. If saved that user give all the details in the site at first time instead of giving every time of purchase.
Kindly let me know if it is available in payal or any other payment gateway.
In other words:
In paypal pro, user gives their card details, at that time we need to save those details. Next time if that user comes and purchase a product, we will get the amount from the card that was we already saved.It is not good to save those details in our server. So I need to save those details in paypal or any other payment systems.
If the client is based in the US then they can get a true merchant account and use a payment gateway like Authorize.Net. Authorize.Net offer the Customer Information Manager (CIM) API which allows for the storage of credit card details on their server thus reducing PCI compliance and security issues.

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