Top Affordable Shopping Cart Systems with Integrated Payment Gateways

Curated list of the most cost‑effective e‑commerce platforms that include built‑in payment gateway integrations, ideal for small‑business owners and startups.

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Free WordPress plugin that turns any site into a full‑featured store with native support for Stripe, PayPal, and dozens of other gateways.

Entry‑level Shopify plan with a built‑in payment processor (Shopify Payments) plus easy integration with Stripe, PayPal, Apple Pay, and more.

Affordable SaaS solution offering native integrations with PayPal, Stripe, Square, and over 65 additional gateways.

#5 Ecwid

Free tier for up to 10 products; integrates seamlessly with PayPal, Stripe, Square, and 50+ payment providers.

Open‑source cart with a large extension marketplace; includes built‑in support for PayPal, Authorize.Net, Stripe, and many regional gateways.

Free open‑source platform with over 300 payment modules, including PayPal, Stripe, and local bank integrations.

Powerful free edition of Magento; integrates with PayPal, Braintree, Authorize.Net, and a wide range of third‑party gateways via extensions.

Wix’s built‑in e‑commerce solution; includes Wix Payments, PayPal, Stripe, and Square integration at low monthly cost.

All‑in‑one website builder with integrated Stripe and PayPal processing; simple pricing for small catalogs.

Weebly’s e‑commerce plan uses Square’s payment gateway by default, plus PayPal and Stripe options.

Feature‑rich platform with free plan for up to 25 products; native integrations for PayPal, Stripe, Square, and over 100 gateways.

#13 Volusion

Affordable SaaS cart offering built‑in payment processing via PayPal, Stripe, and Authorize.Net.

Part of Zoho suite; includes Zoho Payments, PayPal, Stripe, and Razorpay integrations at competitive pricing.

Free plan for up to 5 products; integrates with Stripe and PayPal for simple checkout.

#16 Selz

All‑in‑one storefront with built‑in payment processing via Stripe, PayPal, and Apple Pay; low‑cost monthly plans.

#17 Payhip

Simple digital and physical product platform; includes PayPal and Stripe processing with no transaction fees on paid plans.

#18 Gumroad

Creator‑focused storefront; handles payments through Stripe and PayPal, with a free tier and low transaction fees.

WordPress‑centric cart offering built‑in PCI‑compliant checkout with Stripe, PayPal, and Authorize.Net.

Free WordPress plugin for digital goods; core includes PayPal and Stripe, with extensions for many other gateways.

Add‑on plan for existing sites; includes Buy Button powered by Shopify Payments, Stripe, and PayPal.

Free online storefront that uses Square Payments by default; also supports PayPal.

Free WordPress integration of Ecwid; supports PayPal, Stripe, Square, and over 50 payment options.

#24 ShopWired

UK‑based platform with built‑in payment gateway integrations (PayPal, Stripe, WorldPay) and low‑cost plans.

#25 Aimeos

Open‑source e‑commerce framework for Laravel, Symfony, and TYPO3; includes adapters for PayPal, Stripe, and many local gateways.

#26 Vendure

Headless, open‑source commerce framework (Node.js) with plugins for Stripe, PayPal, and Braintree.

#27 Snipcart

JavaScript‑based cart that can be added to any site; integrates directly with Stripe, PayPal, and Square.

#28 Foxy.io

Hosted cart solution that works with any website; native support for Stripe, PayPal, and Authorize.Net.

Physical‑store point‑of‑sale that syncs with Shopify Online; uses Shopify Payments (Stripe) and supports PayPal.

PayPal’s all‑in‑one solution that can be embedded as a cart; includes checkout, fraud protection, and multi‑currency support.

#31 Mollie

European‑focused payment service with a ready‑made cart widget; supports credit cards, iDEAL, Bancontact, and more.

React‑based headless storefront framework; integrates with Shopify Payments (Stripe) and any third‑party gateway via APIs.

#33 Cartloom

Lightweight, open‑source cart for small sites; includes Stripe and PayPal modules out of the box.

Although the original service shut down, the community‑maintained fork offers a free, self‑hosted cart with Stripe and PayPal integrations.

Headless React framework for custom storefronts; leverages Shopify Payments (Stripe) and can connect to any gateway via API.

Embeddable widget for existing sites; uses Shopify Payments, Stripe, and PayPal for checkout.

Low‑cost plan that adds a checkout button to any site; integrates with Shopify Payments, Stripe, and PayPal.