Compare FSS Payment Gateway vs. NMI Merchant Central

NMI Payments gives developers, SaaS builders, ISVs and ISOs a simple path to embedded payments. As a full-stack processor, acquirer, and technology partner, NMI enables you to integrate, brand, and manage payment acceptance within your platform—without becoming a PayFac or building complex infrastructure. The platform combines flexibility, scalability, and speed, offering white-labeled payments infrastructure that keeps your brand front and center. With omnichannel support for in-store, online, in-app, and unattended payments, you can deliver a consistent merchant experience across every touchpoint. NMI also manages onboarding, compliance, and risk, freeing your team to focus on innovation and customer growth. Developer-First Experience NMI’s developer-first environment puts full control in your hands. Build, test, and launch payments in a modern sandbox with clear documentation and ready-to-use code snippets. Guided onboarding flows and API recipes simplify integration, while low-code and no-code tools accelerate deployment. Business users can evaluate monetization options with instant revenue calculators and self-service sign-up. Whether you’re embedding payments for the first time or scaling across channels, NMI helps you go live faster, stay compliant, and grow with confidence

PayKings is a payment processing provider specializing in merchant account solutions for high-risk industries that often face challenges obtaining traditional payment services. The company offers a streamlined approval process powered by automated underwriting, allowing many businesses to gain access to payment processing capabilities within a short timeframe. Businesses can leverage merchant accounts, payment gateways, ACH processing, credit card processing, recurring billing, and virtual terminal solutions through a single provider. PayKings serves a broad range of industries, including adult entertainment, CBD, online gaming, firearms, debt settlement, travel, nutraceuticals, cryptocurrency, and other specialized markets. Fraud prevention tools and chargeback management services help businesses reduce risk while maintaining smooth transaction processing. The platform supports integration with leading gateways, eCommerce platforms, content management systems, and custom APIs. Dedicated account managers provide guidance throughout onboarding and ongoing operations, ensuring merchants receive industry-specific support. Transparent interchange-plus pricing models help businesses understand processing costs without hidden fees or long-term contractual commitments. PayKings enables high-risk businesses to access reliable payment infrastructure while supporting growth and operational stability.

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, 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 inside ERP, CRM, or eCommerce platforms ◉ Speed up collections with easy billing tools: payment links, online customer portal, recurring billing, saved cards, and more ◉ Improve security and reduce risk with PCI-compliance, encryption, tokenization, fraud protection, and certified by the PCI-Security Council ⎯ HOW IT WORKS IN YOUR ERP, CRM, & E-COMMERCE PLATFORMS EBizCharge integrates natively with your ERP, CRM, or e-commerce platform through certified software connections, so payments work directly inside the system you already use. ⎯ FEATURES • Email payment links • Recurring billing • Secure online customer payment portal • Securely save cards • EMV terminals • Mobile payments • Ability to surcharge • Dedicated in-house support

Wallester is an Estonian-licensed financial institution and has been an official Visa partner since 2018, specialising in innovative digital financial solutions and card issuance. We empower companies across the European Economic Area (EEA) and the UK to streamline payments, launch branded cards, and scale efficiently. What we do: 1. White-Label Solution with Embedded Finance Our White-Label solution enables businesses to integrate financial services directly into their platforms - a concept known as embedded finance. This allows companies to launch branded payment cards tailored to their specific needs, enhancing customer experiences and opening new revenue streams. We ensure a swift time-to-market with simplified integration and dedicated support from our implementation team. 2. Wallester Business: Corporate Expense Management Wallester Business is designed to modernise corporate expense management. It provides companies with instant access to virtual and physical Visa cards, streamlining financial processes through a modern app and comprehensive portal. Features include expense tracking, budget analytics, and seamless integration with accounting systems to enhance financial oversight and efficiency. With a diverse team of over 190 professionals located in Estonia, Latvia, France and the United Kingdom, we are dedicated to developing high-quality, profitable products for our clients. Our passion for innovation drives us to improve and adapt to the evolving financial landscape continuously. We aim to elevate businesses by providing the most advanced financial technologies, enabling them to reach new heights in efficiency and growth. We are always open to collaboration and eager to assist companies in navigating the future of finance.

Convesio gives commerce businesses the edge they need to grow faster — combining ultra-reliable WordPress hosting with seamless, built-in payment processing. At the heart of it all is ConvesioPay, a powerful payments platform that integrates directly with your hosting stack. No clunky plugins. No middlemen. Just faster, more secure transactions that help you convert and scale without friction. With auto-scaling containers, PCI-compliant infrastructure, and real-time revenue insights, Convesio removes the bottlenecks that slow down online stores. It’s performance, payments, and peace of mind — all in one place. Highlights: Integrated payments through ConvesioPay Built for WooCommerce and high-traffic stores Enterprise-grade uptime and scalability Security-first, PCI-compliant environment Real-time performance and revenue visibility

Admiral is the top adblock recovery platform for publishers, helping recover millions of dollars in advertising revenue lost to adblockers, privacy tools, DNS filtering, VPNs, network-level blocking, and other forms of monetization disruption. Trusted by thousands of publishers and backed by more than a decade of expertise, Admiral pioneered Full Spectrum Adblock Recovery—combining multiple recovery approaches to maximize total adblock revenue. As the creator of Visitor Relationship Management (VRM), Admiral extends beyond ad recovery to help publishers recover and grow revenue through subscriptions, registrations, consent management, first-party data, email acquisition, social audience growth, donations, and other visitor monetization strategies. By combining recovery and revenue-growth approaches in one platform, Admiral helps publishers reduce revenue leakage, increase visitor lifetime value, and maximize monetization across the audience lifecycle. Admiral VRM delivers: * Industry-leading Full Spectrum Adblock Recovery * Paid subscriptions, paywalls, and donation campaigns * Visitor Copilot conversational AI for engagement and revenue growth * Registration walls, user accounts, and first-party data * Email, social audience, and app growth * GDPR and CCPA consent management Admiral also provides analytics, journey shaping, visitor segmentation, targeting, testing, and optimization. Publishers can add Admiral's free tag in minutes for immediate visibility into adblock rates and revenue recovery potential.

Unlock precision and clarity in alternative investments with Dynamo Software, a cloud-native, AI-powered platform that unifies your entire workflow. We provide a single, configurable solution for your front-, middle-, and back-office needs. For General Partners (GPs), Dynamo enhances every stage of the investment lifecycle with advanced CRM, deal pipeline tracking, fundraising tools, and secure investor relations and fund accounting reporting. For Limited Partners (LPs), our platform delivers real-time research and portfolio management capabilities. We automate document ingestion, data extraction, and holdings enrichment, providing deep exposure analytics for informed decision-making. Dynamo serves a wide range of private capital firms, including private equity, venture capital, real estate, hedge funds, and infrastructure. Our platform is also tailored for endowments, pensions, foundations, family offices, fund of funds, and fund administrators. By centralizing all investment data into a single source of truth, we equip your team with the control needed to uncover powerful insights. Our AI-driven system automates data ingestion and tagging, while our HoldingsInsight feature enriches portfolio data for advanced analysis. All modules work together seamlessly, supported by a dedicated Client Services team committed to your success. With Dynamo, you can streamline operations, improve data accuracy, and drive strategic decisions with confidence.

AI-driven solutions for credit-to-cash powered by Dun & Bradstreet’s global data and analytics. D&B Finance Analytics offers AI-driven solutions backed by the Dun & Bradstreet Data Cloud. D&B Finance Analytics is a flexible, easy-to-use tool that helps finance teams reduce costs, improve customer service, and manage risk. Manage credit and receivables risks to minimize bad debts, reduce DSO and improve cash flow. Automate manual decisioning and monitoring, customer communication, and matching. Offer your customers an online credit application as well as a payment portal. D&B Finance Analytics consists of two platforms: D&B Credit Intelligence and D&B®, Receivables Intelligence. Together, they provide powerful insights and technologies to help you accelerate your success throughout all your credit-to cash processes. You can quickly gain visibility into credit risks, onboard customers, and set the right terms.

Since 2012, AuctionMethod has provided white-label auction software and custom auction software development for the auction industry. Based in Massachusetts, serving the U.S., Canada, Australia, and New Zealand. Serving auctioneers, estate liquidators, farm and heavy equipment, industrial, salvage and recycling, non-profit, corporations, retail liquidators, auto/car dealers, real estate, and arts and collectibles auction businesses. There are no commissions, no per-lot fees, no platform skim, and no contract, so clients keep the revenue from every sale instead of splitting it with the platform. Clients keep 100% ownership of their bidder lists, seller lists, item data, images, and transaction history on a fully white-label auction website. The platform covers catalog and lot management, consignor management, bidder registration, invoicing, payment and tax handling, and reporting in one system. Auction event types include timed online auctions, simulcast auctions, blind timed auctions, catalog-only, fixed-price, and perpetual events. AuctionMethod includes a mobile app for iOS and Android. For operations whose workflows fall outside the standard product, AuctionMethod also builds custom auction software development solutions at a fixed rate. AuctionMethod's pricing starts at $100/mo with a $250 one-time setup charge. AuctionMethod offers a 30-day free trial, no credit card required. Highly rated 4.9/5 on Capterra and SourceForge with a 94% renewal rate.

Don't let fraud erode your bottom line, damage your reputation, or stall your growth. FraudNet's AI-driven platform empowers enterprises to stay ahead of threats, streamline compliance, and manage risk at scale—all in real-time. While fraudsters evolve tactics, our platform detects tomorrow's threats, delivering risk assessments through insights from billions of analyzed transactions. Imagine transforming your fraud prevention with a single, robust platform: comprehensive screening for smoother onboarding and reduced risk exposure, continuous monitoring to proactively identify and block new threats, and precision fraud detection across channels and payment types with real-time, AI-powered risk scoring. Our proprietary machine learning models continuously learn and improve, identifying patterns invisible to traditional systems. Paired with our Data Hub of dozens of third-party data integrations, you'll gain unprecedented fraud and risk protection while slashing false positives and eliminating operational inefficiencies. The impact is undeniable. Leading payment companies, financial institutions, innovative fintechs, and commerce brands trust our AI-powered solutions worldwide, and they're seeing dramatic results: 80% reduction in fraud losses and 97% fewer false positives. With our flexible no-code/low-code architecture, you can scale effortlessly as you grow. Why settle for outdated fraud and risk management systems when you could be building resilience for future opportunities? See the Fraud.Net difference for yourself. Request your personalized demo today and discover how we can help you strengthen your business against threats while empowering growth.