PayPal 

The PayPal Core SDK addresses the essential needs of the PayPal API caller: Frequent and up-to-date releases: The PayPal Core SDK is available on NuGet, which translates as immediate SDK refreshes upon updates... More information

The PayPal Merchant SDK provides the following: SetExpressCheckout API Operation (NVP/SOAP): The SetExpressCheckout API operation initiates an Express Checkout transaction. DoDirectPayment API Operation... More information

ATTENTION: This package is being replaced by the PayPal SDK package (https://www.nuget.org/packages/PayPal). It is recommended that new integrations use the newer package. For those considering to upgrade to... More information

ATTENTION: This package replaces the RestApiSDK package (https://www.nuget.org/packages/restapisdk). You do not need to include the RestApiSdk package in your project if you are using this, the PayPal .NET SDK,... More information

The PayPal Adaptive Payments SDK provides the following methods: Payments: Pay: Transfers funds from a sender's PayPal account to one or more receivers' PayPal accounts (up to 6 receivers) PaymentDetails:... More information

The PayPal Permissions SDK provides the following: GetPermissions API Operation: Use the GetPermissons API operation to obtain the permissions associated with an access token. RequestPermissions API Operation:... More information

The PayPal Adaptive Accounts SDK provides the following methods: CreateAccount: Creates PayPal accounts. AddBankAccount: Link bank accounts to PayPal accounts as funding sources. AddPaymentCard: Link payment... More information

The PayPal Invoice SDK provides the following: CreateInvoice API Operation: Use the CreateInvoice API operation to create a new invoice. The call includes merchant, payer, and API caller information, in... More information

The PayPal Button Manager SDK provides the following methods: BMButtonSearch API Operation (NVP/SOAP): Use the BMButtonSearch API operation to obtain a list of your hosted Website Payments Standard... More information

The PayPal Windows 8 Checkout SDK gives you the ability to integrate a PayPal checkout flow into your Windows 8 phone applications.