Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.

PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller

ProPay - ProPay is a multiple payment making service provider that lets its users to make payment to anyone in any part of the world.

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.

Skrill - Skrill (formerly known as Moneybookers) is the cheaper way to send and receive money worldwide.