We use Stripe.com as our credit card processing company. As of this writing, Stripe charges $0.30 plus 2.9% per transaction. If you issue a refund, this transaction fees is not refunded.
Stripe is a popular processing company, used by Lyft, Kickstarter, Pinterest, Salesforce.com, and thousands of others.
As of this writing, PayPal charges $0.30 plus 2.9% per transaction. If you issue a refund, this transaction fee is not refunded.
PayPal is the long-established online payment company. Many people already have stripe accounts. Additionally, PayPal is a good alternative for people that don’t have, or want to use, a credit card.