The Yandex Money Ruby SDK by Yandex is the official Ruby 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.
Bitpay's API allows for businesses and employees to accept BitCoin for their services and goods. Now with the addition of Newegg to it's repertoire of business affiliates, BitPay is receiving more credence as a leader in the march toward the legitimization of BitCoin as a secure digital payment system.