Top 20 NuGet merchant Packages

The PayPal Merchant SDK provides the following: SetExpressCheckout API Operation (NVP/SOAP): The SetExpressCheckout API operation initiates an Express Checkout transaction. DoDirectPayment API Operation (NVP/SOAP): The DoDirectPayment API Operation enables you to process a credit card payment. MassP...
A .NET implementation for the Coinbase API for online payments. The Coinbase API is a way to seamlessly pay for goods or services online utilizing Coinbase and Bitcoins for low-cost payment processing.
Please Use: https://www.nuget.org/packages/Coinbase/ The Coinbase.Mvc DLL has been deprecated.
CCXT.NET – CryptoCurrency eXchange Trading Library for .NET
A .NET implementation of the Coinbase Commerce API for cryptocurrency payments. Coinbase Commerce is the easiest and safest way for a business to start accepting digital currency payments. Works with Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), and Bitcoin Cash (BCH)!
For merchants who have built their app on Xamarin platform - Paytm provides a NuGet package for you to conveniently integrate All-in-One SDK.
Com.MasterCard.Merchant.Checkout SDK.
Com.MasterCard.Masterpass.Merchant SDK. Masterpass Merchant Checkout Service SDK supports standard, connected and express checkouts.
A .NET implementation for the Dwolla Checkout (off-site gateway) API for online payments. The Off-Site Gateway API is a way to seamlessly pay for goods or services online utilizing Dwolla's low-cost payment processing platform.
The SDK provides a default implementation of the Bitnet API client using RestSharp.
Com.MasterCard.Merchant.Onboarding SDK.
MerchantHub social business network API
The client provides a .NET representation of the model and interfaces supported by the Bitnet API.
Quick start example of using the Bitnet C# SDK.
The PayPal Merchant SDK provides the following: SetExpressCheckout API Operation (NVP/SOAP): The SetExpressCheckout API operation initiates an Express Checkout transaction. DoDirectPayment API Operation (NVP/SOAP): The DoDirectPayment API Operation enables you to process a credit card payment. Ma...
Merchant payment processing library with Authorize.Net integration. This library is used as the logic behind the Payment Brokers API.
A cryptocurrency trading library with support for more than 100 bitcoin/altcoin exchanges. Uses original ccxt (python) code. https://github.com/ccxt/ccxt
A .net payment processor interface to BluePay Gateway
.Net BluePay interface