Top 30 Integrated Payment Facilitating Software for Small Businesses

Developer‑friendly payment gateway with robust APIs, recurring billing, and a suite of pre‑built UI components for seamless checkout.

All‑in‑one POS, online store, and invoicing solution with flat‑rate processing and free inventory tools.

Widely recognized online payments, invoicing, and QR‑code checkout with buyer‑protection and multi‑currency support.

Integrated payment processor for Shopify stores, eliminating third‑party fees and offering fraud protection.

PayPal‑owned gateway that supports credit cards, PayPal, Apple Pay, Google Pay, and advanced fraud tools.

Legacy gateway with virtual terminal, recurring billing, and extensive third‑party integrations.

Cross‑border payment platform offering global receiving accounts, mass payouts, and a prepaid Mastercard.

Embedded checkout pages, subscription billing, and automatic reconciliation within the Zoho ecosystem.

Integrated credit‑card and ACH processing built directly into FreshBooks invoicing and time‑tracking.

Seamless credit‑card and ACH processing that syncs with QuickBooks Online invoices and accounting.

Free invoicing with optional credit‑card and ACH processing; fees only on successful transactions.

Global payment gateway supporting 100+ currencies, subscription billing, and marketplace split payments.

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

Customizable gateway with transparent pricing, advanced reporting, and support for high‑risk merchants.

Platform‑as‑a‑service for marketplaces and platforms, offering embedded checkout and risk management.

Specialist in recurring ACH and SEPA direct debit payments, ideal for subscription‑based businesses.

European‑focused gateway with support for iDEAL, Bancontact, credit cards, and subscription APIs.

Enterprise‑grade payment platform offering unified commerce, risk management, and global acquiring.

African‑centric payment solution with instant payouts, invoicing, and robust developer tools.

India‑focused gateway supporting cards, UPI, wallets, and subscription billing with easy integration.

Free website builder with built‑in Square checkout, inventory sync, and optional subscription apps.

Peer‑to‑peer payment app extended for small merchants, enabling QR‑code checkout and social payments.

Mobile POS and card reader solution with integrated inventory, analytics, and PayPal checkout.

Compact card reader and online dashboard for micro‑businesses, with flat‑rate fees and invoicing.

Modular POS ecosystem offering hardware, online store, and payment processing with app marketplace.

Legacy mobile card reader solution now merged into Zettle, providing in‑person payments and invoicing.

On‑premise card reader SDK for in‑store payments, fully integrated with Stripe’s online ecosystem.

Free invoicing tool that lets small businesses send professional invoices and accept PayPal or card payments.

Customizable invoice creator with automatic reminders, online payment links, and sync to Square POS.

Emerging market gateway covering Latin America, India, and Eastern Europe with flexible checkout options.

Bulk payment service for freelancers and marketplaces, delivering funds to bank accounts or prepaid cards.

Subscription billing platform that integrates with major gateways, offering dunning management and analytics.

Comprehensive recurring revenue management tool with built‑in invoicing, tax compliance, and gateway agnosticism.

All‑in‑one commerce platform handling payments, taxes, and compliance for SaaS and digital products.