BitPay is a global bitcoin payment service provider headquartered in Atlanta, Georgia. It was founded in May 2011 by Antonio Gallippi and Stephen Pair. BitPay provides payment processing services for merchants, and is one of the largest Bitcoin payment processors. In 2014, BitPay started processing $1 million USD daily. BitPay has partnered with many large merchants over the past year including Microsoft, NewEgg, TigerDirect, and Warner Bros. Records. BitPay has also partnered with PayPal as well as Merchant Acquirers such as Global Payments and Alternet Systems. BitPay has developed many open source bitcoin projects.