MerchantE vs. Tuna Comparison Chart

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

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.

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.

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.

KonstructIQ is an AI-powered construction and financial platform designed for residential general contractors, remodeling firms, and home builders. It consolidates the full project lifecycle, from fast, professional estimates to budgeting, invoicing, payments, change-order management, cost tracking, subcontractor coordination, and real-time reporting, into a single interface. Its estimating module enables contractors to build detailed bids quickly, using customizable cost codes, markup or margin calculations, and either cost-plus or fixed-price models. Once an estimate is approved, it becomes the project budget; every subsequent bill, invoice, or change order automatically updates the budget so contractors maintain accurate job costing and profitability oversight. Payments to subcontractors or suppliers are built in, and support methods like ACH, checks, debit/credit cards, virtual cards, or Zelle, and invoices can be paid directly by clients through a portal to speed up cash flow.

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.

Wallester is an Estonian-licensed financial institution and official Visa partner since 2018, specialising in digital financial solutions and card issuance. We help companies across the EEA and the UK streamline payments, launch branded cards, and scale efficiently. What we do: 1️⃣ White-Label Solution with Embedded Finance Our White-Label solution lets businesses integrate financial services directly into their platforms—known as embedded finance. This enables branded payment cards tailored to specific needs, improving customer experience and opening new revenue streams. We ensure swift time-to-market with simplified integration and dedicated support. 2️⃣ Wallester Business: Corporate Expense Management Wallester Business modernises corporate expense management with instant access to virtual and physical Visa cards. Through our app and portal, companies can track expenses, analyse budgets, and integrate seamlessly with accounting systems for better financial control.

Nexo is a premier digital assets wealth platform designed to empower clients to grow, manage, and preserve their crypto holdings. Our mission is to lead the next generation of wealth creation by focusing on customer success and delivering tailored solutions that build enduring value, supported by 24/7 client care. Since 2018, Nexo has provided unmatched opportunities to forward-thinking clients in over 200 jurisdictions. With over $7 billion in AUM and $320 billion processed, we bring lasting value to millions worldwide. Our all-in-one platform combines advanced technology with a client-first approach, offering high-yield flexible and fixed-term savings, crypto-backed loans, sophisticated trading tools, and liquidity solutions, including the first crypto debit/credit card. Built on deep industry expertise, a sustainable business model, robust infrastructure, stringent security, and global licensing, Nexo champions innovation and long-lasting prosperity.

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.

Order.co is an AI-powered procurement and payments platform that connects purchasing, approvals, payments, and reporting in one intelligent system so teams can place orders faster, cut manual work, and keep operations running smoothly. Order.co's suite of AI tools automates purchasing decisions, sources products at the best price, and flags risks before they impact your business. Trusted by brands like Dolce & Gabbana, WeWork, [solidcore], and Hugo Boss, Order.co helps hundreds of businesses reduce costs, gain tighter spend control, and free up teams to focus on higher-value work. Founded in 2016 and headquartered in New York City, Order.co has raised $70M in funding from industry-leading investors like MIT, Stage 2 Capital, Rally Ventures, 645 Ventures, and more.