Computop Paygate vs. Shift4 Comparison Chart

Accept every payment quickly, easily, and securely. Easily accept card payments—no matter if you’re selling on the go or at your store. Streamline the way you create, send, and track your invoices. Customer not there in person? Take remote credit card payments over the phone or from your computer, and get paid fast. Create and grow your online store, and seamlessly accept online payments with Square. We make accepting cards as fast, painless, and secure as possible. There are no extra fees, no long term contracts, and no tricks. Just fast, secure payments you can depend on.

Square POS is a simple and intuitive point-of-sale (POS) solution that delivers a robust set of tools for sales tracking, inventory, online payment processing, digital receipts, and analytics. Available for Android and iOS devices, Square POS provides a recording of transactions offline by storing data locally and then automatically syncing all information when their is an Internet connection. Additionally, Square POS enables users to seamlessly manage details, such as names, prices, and quantities and provides features such as a barcode scanner, discounts, credit card processing, gift cards, refunds, and more. Whether or not your business has a brick-and-mortar location, building a robust online presence can help you engage customers from a distance. Square’s online solutions work with any of the above point-of-sale systems, or you can use them on your own. We give you the tools to create thumb-stopping, compelling, and on-brand ads that perform.

EBizCharge is the leading embedded payments application for businesses to accept payments directly inside QuickBooks, Microsoft Dynamics, NetSuite, SAP, Acumatica, and 100+ other business systems. Trusted by 20,000 companies and voted best fintech solution by the Globee® Awards, EBizCharge combines modern billing tools with integrated payment processing to help B2B companies get invoices paid faster, eliminate manual work, and keep payment data automatically synced to their ERP. Companies use EBizCharge to: ◉ Accept credit card, debit card, and ACH payments natively in their ERP, CRM, or shopping cart ◉ Automate billing and reconciliation to save time and reduce errors ◉ Speed up collections with easy billing tools: payment links, online customer portal, recurring billing, saved cards, and more ◉ Reduce risk with enterprise-grade security certified by the PCI-Security Council: PCI-compliance, encryption, and tokenization

NMI Payments is an embedded payments solution that lets SaaS platforms, Software companies and ISVs integrate, brand, and manage payment acceptance directly within their software—without becoming a PayFac or building complex infrastructure. As a full-stack processor, acquirer, and technology partner, NMI handles onboarding, compliance, and risk so you can stay focused on growth. The modular, white-label platform supports omnichannel payments, from online, mobile and in-app to in-store and unattended. Choose from full-code, low-code, or no-code integration paths and launch in weeks, not months. Built-in risk tools, flexible monetization, and customizable branding help you scale faster while keeping full control of your experience. With NMI’s developer-first tools, sandbox testing, and modern APIs, you can embed payments quickly and confidently.

Fraudnet's AI-driven platform empowers enterprises to prevent threats, streamline compliance, and manage risk in real-time. Our sophisticated machine learning models continuously learn from billions of transactions to identify anomalies and predict fraud attacks. Our unified solutions: comprehensive screening for smoother onboarding & improved compliance, continuous monitoring to proactively identify new threats, & precision fraud detection across channels and payment types. With dozens of data integrations and advanced analytics, you'll dramatically reduce false positives while gaining unmatched visibility. And, with no-code/low-code integration, our solution scales effortlessly as you grow. The results speak volumes: Leading payments companies, financial institutions, innovative fintechs, and commerce brands trust us worldwide—and they're seeing dramatic results: 80% reduction in fraud losses and 97% fewer false positives. Request your demo today and discover Fraudnet.

Melio is an accounts payable tool built to simplify bill payments, boost workflow efficiency, and optimize cash flow for businesses of all sizes. To get started, try all of Melio's features free for 30 days! Pay vendors online through bank transfers or credit/debit cards, even if they typically accept checks—Melio manages the manual work for you. Effortlessly integrate with QuickBooks and Xero to ensure your financial records stay current. With Melio, pay by bank transfer or card to extend cash flow and earn rewards. Adding vendor or bill details is a breeze—input them manually, upload files, or take a photo of invoices. Schedule payments to align with your cash flow, and let Melio handle the rest. International vendor payments are made easy by paying in their local currency for products and services your business needs. The Melio mobile app, available for iOS and Android, lets you monitor and manage payments anytime, giving you full control over your finances on the go.

PayKings is a merchant account provider that helps businesses secure payment processing services in industries often rejected by traditional payment processors. The platform offers merchant accounts, payment gateways, and payment processing solutions designed to support businesses with specialized risk profiles. What is a high risk merchant account? A high risk merchant account is a payment processing account for merchants that are classified in a high risk category. They require high risk credit card processing solutions. The PayKings Team can get you approved today for a low to high risk merchant account for B2B, eCommerce, or Retail at reduced rates and fees. Credit repair merchant accounts are essential for companies in the credit repair space. You provide credit solutions to your customers and we’ll take care of the payment processing. Selling any type of merchandise through an ecommerce store has its risks.

Traild is an accounts payable automation platform designed to streamline, secure, and modernize AP processes. It integrates seamlessly with leading ERP and accounting systems to automate invoice processing, approvals, and payments. Traild intelligently triages AP workloads by auto-approving low-risk invoices while routing high-risk invoices to relevant approvers for digital review. The platform is built with fraud prevention at its core, using AI-driven risk detection to identify errors, duplicates, and suspicious activity before payments are made. Real-time visibility gives finance leaders complete control over invoices, approvals and payments. Traild supports complex, industry-specific workflows across sectors like manufacturing, construction, distribution, healthcare, and energy. By reducing manual AP effort and improving accuracy, Traild enables finance teams to focus on strategic decision-making instead of paperwork.

Sumsub is the world's first AI-powered trust infrastructure platform for compliance operations at scale. By bringing together identity and business verification, fraud prevention, ongoing monitoring, and risk management in a single platform, Sumsub helps businesses simplify compliance, adapt to evolving regulations, expand into new markets, and grow with confidence. As trust becomes a continuous process, organizations need every verification, risk signal, workflow, and decision to work together. Sumsub replaces fragmented compliance tools with unified monitoring and decisioning, helping businesses strengthen security, improve efficiency, and scale operations without increasing complexity or headcount. Powered by Summy AI, AI-driven decisioning, and MCP connectivity, the platform enables teams to automate compliance workflows, accelerate investigations, reduce manual work, and respond faster to regulatory and business changes. Built for digital businesses and highly regulated industries, Sumsub serves organizations across financial services, banking, fintech, crypto, mobility, trading, marketplaces, education, and iGaming. Operating in more than 220 countries and territories, the platform helps companies localize onboarding, meet regional compliance requirements, and adapt workflows for different customer segments, jurisdictions, and risk profiles without extensive redevelopment. Trusted by more than 4,000 organizations worldwide, Sumsub's customers include Bybit, Bitpanda, Wirex, Avis, Vodafone, Duolingo, Kaizen Gaming, and Bancaribe. The company has been recognized as a Leader by Gartner, Forrester, IDC, Liminal, and KuppingerCole for its innovation in digital trust and compliance. Sumsub also contributes to the global fight against fraud and financial crime by collaborating with organizations including the UN, Statista, and INTERPOL. Its original research, including the Global Fraud Index and Fraud Report, provides insights into emerging fraud and AML trends for businesses, regulators, and financial institutions. Since 2026, Sumsub has been a member of the World Economic Forum's Unicorn Community and its Centre for Financial and Monetary Systems.

RetailEdge is an easy to use and feature-rich point of sale (POS) and inventory management software solution for retail businesses. RetailEdge offers multi-location support, credit card processing, website integration, mobile POS, and gift card management capabilities within a suite. The solution supports secure and mobile payments like EMV and Apple Pay and integrates with multiple e-commerce platforms for efficient order processing and price updates. RetailEdge was developed in June of 1989 to provide a powerful, flexible, full-featured POS software and hardware solution at a reasonable price that is easy to install, use, and configure, but also affordable to maintain and run. We strongly believe that a good POS solution, in addition to providing great features for a low price, must be supported well. So we have developed a strong support system that provides a backbone of local resellers and quick access to US-based Tier 3 (highest) level support.