The Yandex Money .NET SDK by Yandex is the official .NET implementation by Yandex. This SDK calls the Yandex Money API which provides the developer with an online payment system and allows selling and purchasing of goods and services. Developers need to obtain a unique client ID. Yandex is an Internet company and the largest Russian search engine.
BIPS, Bitcoin payment system, allows users to buy or sell online using Bitcoin digital currency. In addition to Bitcoin transaction-based apps and an e-wallet, BIPS provides an API that users can integrate with existing workflows and tools. Merchants can utilize Bitcoin currency alongside traditional currency transactions.