G2 Vendor Directory

Authorize.net vs. NMI Gateway

A side-by-side comparison based on G2 review data.

MetricAuthorize.net

by Visa

NMI Gateway

by NMI

Overall rating4.24.6
Review count221108
Ease of use8.69.5
Ease of setup8.69.4
Quality of support8.79.3
Meets requirements9.09.5
NPS44.81132181.308411
Small Business70.6%87.9%
Mid-Market24.4%11.2%
Enterprise5.0%0.9%
Total page views1,071492
Total LLM citations6,3384,101

Authorize.net

🏆Voted the Best Payment Gateway for Fraud Prevention by Forbes! Authorize.net has been helping merchants and small businesses accept payments anytime, anywhere since 1996. We offer you everything you need to sell more, sell faster, and sell securely.

Pros

  • Payment Processing
  • Payment Services
  • Easy Integrations
  • Integrations
  • Ease of Use
  • Customer Support

NMI Gateway

NMI Gateway is a white-label, omnichannel payment platform built for software providers, ISOs, and financial institutions that want to deliver secure, scalable, and customizable payment acceptance to their merchants and clients. NMI Gateway supports multi-channel commerce—including online, in-store, mobile, and unattended environments—while integrating with a broad ecosystem of processors, shopping carts, and business platforms. NMI does not sell directly to merchants. Instead, it powers over 4,000 partners who serve more than 1 million merchants worldwide.

Pros

  • Ease of Use
  • Customer Support
  • Security
  • User Interface
  • Features
  • Setup Ease