What is the NMI payment gateway?

The NMI payment gateway is a white-label payment processing platform used by 6,000+ channel partners. It processes $502B+ annually and supports 150+ processor connections across ecommerce, in-person, mobile and unattended channels.

How do I integrate the NMI payment gateway?

NMI payment gateway integration is available via RESTful APIs, iOS/Android/web SDKs, and pre-built connectors for major ecommerce platforms. Access NMI's developer sandbox at guide.nmi.com to start building.

NMI

NMI Payment Gateway

Q: How does NMI payment gateway pricing work?

NMI payment gateway pricing is customised to your business model. ISOs, software platforms and banks have different pricing structures based on volume and features. Contact NMI to get a tailored pricing proposal.

Q: Can I white-label the NMI payment gateway?

Yes. The NMI payment gateway is fully white-label. ISOs and software companies can brand the entire gateway experience — hosted payment pages, emails, and merchant dashboards — under their own name and logo.

The NMI Payment Gateway is a white-label processing platform built for ISOs, SaaS, banks, and payment facilitators. Processes $502B+ a year across 6,000+ channel partners. Connects to 150+ processors, supports ecommerce/in-person/mobile/unattended channels, includes Merchant Central CRM and USAePay integration. Fully brandable — merchants see the reseller's name, NMI runs infrastructure and compliance underneath.

The NMI payment gateway powers $502B+ in annual transactions for 6,000+ channel partners worldwide. White-label, scalable, and built for ISOs, SaaS platforms and banks.

$502B+

Annual Volume

6,000+

Partners

150+

Processors

Talk to Sales Gateway Pricing

NMI Payment Gateway Features

Everything you need to process payments at scale

White Label

Offer the NMI payment gateway under your own brand. Full white-label customisation for ISOs and software platforms — your brand, NMI infrastructure.

150+ Processors

The platform connects to 150+ processors globally. Route transactions intelligently to optimise costs, approval rates, and reliability.

Omnichannel

Accept payments in-person, online, mobile and unattended through one the platform integration. Every channel, one platform.

PCI DSS Level 1

The platform is PCI DSS Level 1 certified — the highest security standard. Tokenisation and end-to-end encryption built in.

Recurring Billing

Manage subscriptions and recurring payments through the platform. Automatic card updater keeps billing details current.

Extensions Marketplace

Add value-added services through the platform marketplace — invoicing, text-to-pay, fraud tools, and more from trusted partners.

NMI Payment Gateway — Frequently Asked Questions

The NMI Payment Gateway connects to 150+ processors and supports 300+ EMV-certified devices.

What is NMI Payment Gateway?

The this gateway is a white-label, full-featured payment processing platform used by 6,000+ channel partners to accept payments across every channel. It processes $502B+ in annual transactions and supports 150+ processor connections globally.

How does NMI Payment Gateway pricing work?

the gateway pricing is customised to your business model. ISOs, software platforms and banks have different pricing structures based on volume, features, and processor connections. Contact NMI directly to get a tailored pricing proposal.

Can I white-label NMI Payment Gateway?

Yes. The NMI platform is fully white-label. ISOs and software companies can brand the entire gateway experience — hosted payment pages, customer emails, and merchant dashboards — under their own name and logo.

How do I integrate NMI Payment Gateway?

this payment platform integration is available via RESTful APIs, SDKs for iOS, Android and web platforms, and pre-built connectors for popular ecommerce platforms including Shopify. Access NMI's developer sandbox at guide.nmi.com to start building.

Start with NMI Payment Gateway

Talk to our team about the processing platform pricing and integration options for your business.

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Overview & Key Features

The NMI Payment Gateway is a white-label payment processing platform built for ISOs, SaaS platforms, banks, and payment facilitators. The gateway routes credit, debit, ACH, and digital wallet transactions through 150+ pre-integrated processors and connects to 300+ EMV-certified hardware devices. PCI DSS Level 1 certified — the highest tier of payment card industry compliance.

150+ Processor Integrations: Pre-built connections to major US and international acquirers — ISOs offer merchants choice of processor without writing integrations.
300+ EMV-Certified Devices: Certified for Ingenico, PAX, Verifone, Castles, and other terminal manufacturers. Hardware procurement and certification handled at platform level.
White-Label by Default: Reseller brand appears on the gateway portal, statements, and email notifications. NMI runs infrastructure invisibly underneath.
Multi-Channel Processing: Single gateway handles ecommerce, in-person (chip/PIN), mobile (SDK + Tap to Pay), and unattended (vending/kiosk) channels with unified reporting.
Fraud Prevention: iSpyFraud ML-based fraud scoring, velocity rules, AVS/CVV verification, and 3D Secure 2.0 for liability shift on online transactions.
Tokenization & Vault: Customer vault tokenization removes raw card data from merchant systems — reduces PCI scope and enables recurring billing.
Recurring Billing: Native subscription engine handles trial periods, prorations, dunning management, and webhook notifications for SaaS platforms.
Developer APIs: REST APIs, transaction posting endpoints, iOS/Android SDKs, Collect.js client tokenizer, and Postman collections. Sandbox at guide.nmi.com.