Best Payment Gateways for Heartland Payment Processing

NMI Gateway is a purpose-built, partner-first payments platform that delivers white-label, omnichannel infrastructure across every merchant environment. Designed forISOs, banks, financial institutions, ISVs, software companies and SaaS platforms, it enables secure, scalable, and customizable payment acceptance. NMI does not sell to merchants—we powers 4,000+ partners serving over 1 million businesses worldwide. Unlike gateways tied to a single processor, NMI gives partners full control over branding, pricing, and merchant relationships. With 150+ processor connections, 125+ shopping cart integrations, and support for 235,000+ connected payment devices, it provides unmatched flexibility across retail, in-app, mobile, e-commerce, and unattended environments. Developers can integrate through robust APIs and SDKs, building custom routing strategies, dynamic payment flows, and multi-MID configurations without vendor lock-in. Value-added tools like Shopify integration for embedded commerce and Bill Connect for syncing with accounting platforms such as QuickBooks and Xero extend functionality. Additional module including network tokenization, recurring billing, and fraud prevention, helping partners reduce churn, boost approval rates, and enhance payment security. Processing over 5.8 billion transactions annually and powering $440+ billion in payment volume, NMI Gateway transforms payments from a backend utility into a customizable, revenue-generating platform that empowers partners to build differentiated, long-term merchant relationships.

FroogalPay is an intuitive platform that serves as a Virtual Terminal, Invoicing System, and Pay Now Button (Hosted Payment Page), designed to enhance the processing of credit cards and ACH transactions through over 135 payment gateways. Your skills in sales and your network are crucial because FroogalPay relies on you for distribution. Our focus is on developing excellent payment processing software, and we depend on your expertise to connect merchants with our solutions. This platform is tailored for developers aiming to deliver secure payment experiences across retail, eCommerce, and various business applications, ensuring both versatility and reliability in payment processing. As the landscape of digital transactions continues to evolve, FroogalPay remains committed to empowering merchants with innovative tools that simplify their payment solutions.