Compare NMI Payments vs. PayOS

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

PayOS is a cutting-edge payment infrastructure platform tailored for the agentic economy, where AI agents and automated workflows handle various commerce tasks. This innovative system operates as a card-first solution, allowing developers and businesses to seamlessly integrate checkout, billing, and financial transactions into agentic workflows, while accommodating all major card networks and offering flexibility with different processors. Users benefit from a straightforward linking of a card, which can then be utilized across diverse agent-driven scenarios, all while maintaining essential human oversight, robust security compliant with PCI standards, and comprehensive access to a global network. The platform supports both push and pull payment methods, recurring billing, and independent money flows, eliminating the requirement for merchants to undergo re-integration processes. Additionally, PayOS enhances its offerings through tokenization and partnerships with networks such as Mastercard and Visa Intelligent Commerce, facilitating the expansion of agentic payment applications on a large scale. With its commitment to innovation and user-friendly features, PayOS is set to redefine the landscape of payment solutions in the evolving economy.