G2 Vendor Directory

NMI Gateway vs. CSG Forte

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

MetricNMI Gateway

by NMI

CSG Forte

by CSG

Overall rating4.64.2
Review count10818
Ease of use9.59.1
Ease of setup9.49.0
Quality of support9.39.3
Meets requirements9.59.1
NPS81.30841155.555556
Small Business87.9%80.0%
Mid-Market11.2%13.3%
Enterprise0.9%6.7%
Total page views492453
Total LLM citations4,101781

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

CSG Forte

CSG Forte provides a unified digital platform for fast and secure payments across any channel, at any time. Our award-winning technology drives smarter growth, on-time billing, and better experiences. Trusted by 170,000 merchants, we handle over 215 million transactions and $ 164 billion in yearly revenue across government, telecom, healthcare, and more.

Pros

  • Ease of Use
  • Easy Setup
  • Helpful
  • Easy Integrations
  • Setup Ease
  • Response Time