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Guide

NMI for Small Business

NMI for small business. Setup walkthrough, pricing considerations, industry use cases, and first-day configuration checklist.

Updated June 2025

Is NMI Right for Small Businesses?

NMI is a B2B gateway via ISOs. Advantages: interchange-plus pricing, full-featured gateway, no seat fees. Considerations: pricing varies by ISO, requires ISO onboarding.

Getting Started

1. Find an ISO

Research ISOs offering NMI. Compare pricing and support. See pricing guide.

2. Apply

ISO submits application. Approval: 1-3 days.

3. Configure

Use NMI Login credentials. Change password, set batch time, create sub-accounts, review fraud filters.

Best Industries

  • Retail — terminals + virtual terminal
  • Professional services — recurring billing
  • Healthcare — payment plans
  • Hospitality — auth-and-capture
  • Non-profit — donation processing
  • E-commerce — 125+ cart integrations

First-Day Checklist

TaskWhy
Change passwordSecurity
Enable MFAPrevent unauthorized access
Set batch timeControl fund timing
Create sub-accountsAudit trail
Review fraud filtersPrevent chargebacks
Generate API keysCart integration

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