Top 12 Best Online Payment Gateway for Website & App Here are the top 12 most popular online payment gateway websites. 1 PayPal paypal.com 2 Amazon Payments amazon.com 3 WePay wepay.com 4 Stripe Connect stripe.com 5 GoCardless gocardless.com 6 2Checkout 2checkout.com 7 Stripe stripe.com 8 Merchant E-Solutions merchante-solutions.com 9 Worldpay worldpay.com 10 Dwolla dwolla.com 11 Authorize authorize.net 12 BlueSnap bluesnap.com
