Choosing the right payment processor is one of the most important decisions an online store owner makes. It affects your transaction fees, accepted payment methods, fraud protection, checkout conversion rates, and how fast you get paid. These are the payment processors that power the world's most successful ecommerce stores — from solo entrepreneurs to enterprise-level operations.
The developer-first payment platform that powers more internet businesses than any other. Stripe handles everything from simple card payments to complex subscription billing, marketplace payouts, and fraud prevention. Transparent pricing, excellent docs, and integrations with everything.
Still one of the most trusted payment brands globally, PayPal is a must-have for stores targeting everyday consumers. Its buyer protection and widespread recognition boost checkout confidence — particularly important for first-time visitors who don't know your brand yet.
Built directly into Shopify, Shopify Payments eliminates transaction fees for merchants on the platform and offers seamless checkout integration. It supports Shop Pay, which has some of the highest checkout conversion rates in the industry.
Square is the go-to for businesses that sell both online and in-person — its unified point-of-sale and ecommerce system keeps inventory and sales data in sync. Simple flat-rate pricing makes it popular with small business owners.
Braintree is PayPal's developer-focused payment gateway — widely used by larger ecommerce businesses and apps that need more flexibility than standard PayPal. Supports cards, PayPal, Venmo, Apple Pay, Google Pay, and ACH.
One of the oldest and most established payment gateways in the USA, Authorize.Net is trusted by hundreds of thousands of merchants. It's especially popular with businesses using custom or older ecommerce platforms that need a reliable, bank-connected gateway.
Adyen is the payment processor of choice for global enterprises — used by companies like Spotify, Etsy, and Microsoft. It supports 250+ payment methods, processes in 150+ currencies, and offers best-in-class fraud tools for high-volume merchants.
The leading buy-now-pay-later platform, Klarna lets shoppers split purchases into installments at no extra cost. Offering Klarna at checkout is proven to increase average order value and reduce cart abandonment — especially for higher-ticket items.
Another dominant BNPL provider, Afterpay splits purchases into 4 interest-free payments. It has a massive built-in customer base of millennial and Gen Z shoppers who actively search for stores that accept Afterpay.
2Checkout specializes in cross-border ecommerce — supporting 45+ payment methods, 100+ currencies, and subscription billing in over 200 markets. Strong choice for software companies and businesses with an international customer base.
One of the largest payment processors in the world by volume, Worldpay serves major retailers and enterprise merchants. It covers in-store, online, and mobile payments with deep analytics and global acquiring capabilities.
The top payment processor in Europe for growing ecommerce brands. Mollie supports all major European payment methods including iDEAL, Bancontact, SOFORT, and SEPA — essential for stores targeting European customers.
“Stripe”
Currently ranked #1. Where will it be in 7 days?