PayPal lets you send money to anyone with email. PayPal is free for consumers and works seamlessly with your existing credit card and checking account. Settle debts, borrow cash, divide bills, receive money, and more. Paypal is one of the largest payment processors on the Internet!

The Authorize.Net Payment Gateway can help you accept credit card and electronic check payments quickly and affordably. More than 175,000 merchants trust Authorize.Net to manage their transactions, help prevent fraud, and grow their business.

Instant credit card processing services accounts for merchants with internet businesses. Only $ 49 Set Up Plus Transaction Costs.

"Google Checkout is a fast, convenient checkout process that complements your existing process. Customers who use Checkout can buy from you quickly and securely, using a single username and password – and you can use Checkout to process their orders and charge their credit or debit cards."