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.
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
Venmo - Venmo is the best way to pay your friends. It's simple, fun and free to use.
CardGuru - CardGuru is a virtual credit card detail number generator that gives you multiple preferences to choose from, including country, card provider, and amount of card numbers.
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.
Skrill - Skrill (formerly known as Moneybookers) is the cheaper way to send and receive money worldwide.