Compare NMI Payments vs. Tuna

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

Integrate effortlessly with Tuna's open-source payment gateway to tap into a vast array of payment processors and anti-fraud solutions globally. Utilizing tokenization, we ensure the security of sensitive customer information. Tuna proudly holds the PCI Level 1 Service Provider designation, representing the pinnacle of PCI DSS certification. Engage in A/B testing to enhance payment metrics continuously and assess your outcomes effectively. By leveraging testing tools that empower your payments team, you gain greater insight into your business, enabling rapid experimentation without needing to adjust the IT roadmap priorities. As a testament to our capabilities, Tuna successfully manages 100% of online transactions for Riachuelo, a leading retail platform in Brazil. This partnership showcases Tuna's reliability and effectiveness in handling high-volume payment processing.