Best Online Payment Services in 2026: 9 Services Compared

Stripe is our pick for most people selling online. Its standard US rate is 2.9% plus 30 cents per successful domestic card payment, with no setup or monthly fee, and international cards add 1.5% plus 1% when currency conversion is needed. Checkout, payment links, invoicing, and subscription billing all sit in one dashboard, which keeps a small team from stitching together several tools.

The honest catch is that Stripe is a platform first and a help desk second. Support runs through online channels, and the add-ons that larger businesses tend to want, such as Billing plans, Tax, and Radar upgrades, each carry their own price. If your sales are mostly domestic cards and you want predictable per-sale costs, Stripe is hard to beat. If you need a person on the phone for every question, look elsewhere.

PayPal wins on recognition. Millions of buyers already have accounts, and many will complete a purchase faster when they see a familiar button. Standard card payments cost 2.99% plus 49 cents in the US, while PayPal Checkout runs 3.49% plus 49 cents, so routing card payments directly rather than through the Checkout button saves money at volume. There is no monthly fee for a standard business account.

The trade-off is control. PayPal can place holds on funds when it flags risk, and sellers sometimes find its dispute process less flexible than a dedicated processor. For a new store that needs trust on day one, PayPal is still a sensible first choice. For a high-volume store, pairing it with a lower-cost processor for cards often makes sense.

Square suits sellers who live in both worlds. A shop that takes cards at a counter and also sells online gets one dashboard, one set of reports, and a free online store to start with. Online payments cost 2.9% plus 30 cents, in-person payments cost 2.7% plus 5 cents, and funds usually land in one to two business days. Invoices, payment links, and Afterpay installments are included in the same account.

Square is less appealing if you only sell online, since its online rate offers no edge over Stripe and its feature set is geared toward retail. Some sellers also report sudden account reviews. Still, for a business that splits sales between a storefront and a website, Square keeps life simpler than running two processors.

Authorize.net is a payment gateway rather than a full processor. The all-in-one plan costs 25 dollars per month plus 2.9% plus 30 cents per transaction, while the gateway-only plan is also 25 dollars per month and pairs with a separate merchant account. It supports recurring billing, invoicing, and fraud screening, and it plugs into a long list of shopping carts and merchant account providers.

That flexibility comes with a monthly fee that newer flat-rate services skip, and the dashboard shows its age. Authorize.net fits businesses that already have a merchant account relationship or need a gateway their existing systems already support. A brand-new seller with no merchant account will usually find Stripe or Square simpler and cheaper to start.

Braintree is PayPal's developer-focused processor, and its headline rate of 2.59% plus 49 cents undercuts PayPal's own standard card rate. It accepts cards, PayPal, Venmo, and digital wallets through one integration, and its drop-in checkout keeps the technical work modest. There is no monthly fee on standard pricing, which makes it easy to test.

The catch is that Braintree is narrower than Stripe. Its subscription and marketplace tooling is thinner, and support still routes through PayPal's systems. It fits a business that wants PayPal acceptance plus a cheaper card rate, without needing Stripe's full product range. If you plan to build complex billing logic, Stripe remains the stronger pick.

Adyen is the enterprise option on this list. It processes payments in many countries and currencies through a single platform, with local payment methods that matter abroad, from European bank transfers to wallets in Asia. Pricing uses an interchange-plus model, which can beat flat rates at high volume, but Adyen does not publish one simple rate card, so you need a sales conversation to get numbers.

That is also the weakness for small sellers. Onboarding expects a business with real volume and someone technical to manage the integration. A small store will find Stripe or Square faster to launch. A company selling in several countries at serious volume, though, will value Adyen's single contract and detailed reporting.

Shopify Payments is the obvious choice if your store already runs on Shopify. It is built into checkout, so there is no third-party gateway to connect and no extra transaction fee from Shopify itself. On the Basic plan, online card payments cost 2.9% plus 30 cents, and higher plans bring that rate down. Shop Pay, Apple Pay, and Google Pay all work through the same checkout.

The limit is the platform lock-in. Shopify Payments does not exist outside Shopify, so a business that sells on several platforms still needs another processor for the rest. It is also worth noting that the Shopify plan itself is a monthly cost on top of processing. For a Shopify-only store, though, it is the simplest path to taking payments.

Payoneer is built for people who get paid across borders. Freelancers and sellers on marketplaces can receive funds in several currencies through local receiving accounts, then withdraw to a bank or spend with a Payoneer card. It is widely supported by freelance platforms, which means clients can pay you without either side setting up a full merchant account.

Fees are the weak spot. Payoneer's schedule covers receiving, withdrawal, conversion, and card use, and the total depends on the route the money takes, so check the pricing page for your exact flow before relying on it. For a US business selling only to US buyers, a domestic processor is cheaper. For a freelancer with clients on three continents, Payoneer solves a real problem.

Wise is not a checkout tool, and we include it because many small businesses use it alongside one. A Wise Business account holds balances in several currencies, converts at the mid-market rate with the fee shown before you send, and pays suppliers abroad more cheaply than most banks. Invoices can be paid into local account details, which saves clients from international wire fees.

The honest limit is scope. Wise will not process card payments on your website, so it cannot replace Stripe or Square. Its strength is moving money you have already earned across currencies at a fair rate. Pair it with a card processor and you get the best of both: cheap checkout at home and cheap conversion abroad.