Top 30 Payment Gateway Software for Small Online Stores

Developer‑friendly API, supports recurring billing, one‑click checkout, and over 135 currencies.

Globally recognized, simple checkout button, buyer protection, and PayPal Credit for financing.

All‑in‑one solution with online payments, inventory tools, and low flat‑rate fees.

Owned by PayPal; offers seamless mobile SDKs, vault storage, and support for PayPal, Apple Pay, and Google Pay.

Long‑standing gateway with fraud detection suite, recurring billing, and easy plugin support.

Built‑in to Shopify stores; no third‑party fees, automatic payouts, and multi‑currency support.

Leverages Amazon accounts for checkout, boosting trust and conversion for small merchants.

Buy‑now‑pay‑later (BNPL) solution that increases average order value and offers flexible installments.

European‑focused gateway with support for SEPA, iDEAL, Bancontact, and easy API integration.

Enterprise‑grade platform with unified commerce, but offers starter plans suitable for growing small stores.

Global payment processor supporting digital goods, subscriptions, and localized checkout pages.

Popular in emerging markets; offers local payment methods, fraud tools, and easy integration kits.

India‑centric gateway with support for UPI, wallets, and instant settlement for small merchants.

Widely used in India; provides QR code payments, wallet integration, and low‑cost transaction fees.

Comprehensive gateway with multi‑currency support and robust fraud detection, suitable for SMBs.

Visa‑owned solution offering advanced fraud tools, tokenization, and scalable pricing for small stores.

All‑in‑one payment and invoicing platform designed for service‑based small businesses.

Embedded payments API focused on platforms and marketplaces, with quick onboarding.

African gateway offering card, bank, and mobile money payments with simple API and dashboard.

Supports African and global payment methods, recurring billing, and instant payouts.

ACH‑focused gateway for low‑cost bank transfers, ideal for subscription‑based small businesses.

Specializes in recurring direct‑debit payments across Europe, US, and Canada.

All‑in‑one payment platform with global card processing, marketplace support, and hosted checkout.

French gateway offering card, SEPA, and Apple Pay with transparent flat‑rate pricing.

South African gateway supporting cards, instant EFT, and Bitcoin, with low setup fees.

China’s leading digital wallet; essential for merchants targeting Chinese shoppers.

Social payment option popular with younger U.S. shoppers; easy checkout via API.

Simple share‑able payment links that turn any website or social post into a checkout page.

Cross‑border payments platform with local receiving accounts, ideal for dropshippers and freelancers.

Digital wallet with low‑cost card processing and support for over 40 currencies.

Cryptocurrency payment gateway allowing merchants to accept Bitcoin and settle in fiat.

Extended PayPal suite for marketplaces and platforms, with split‑payment capabilities.