G2 Vendor Directory

NMI Gateway vs. Adyen Payments

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

MetricNMI Gateway

by NMI

Adyen Payments

by Adyen

Overall rating4.64.0
Review count10844
Ease of use9.58.7
Ease of setup9.48.7
Quality of support9.38.9
Meets requirements9.59.2
NPS81.30841148.780488
Small Business87.9%27.3%
Mid-Market11.2%38.6%
Enterprise0.9%34.1%
Total page views4921,179
Total LLM citations4,10121,296

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

Adyen Payments

Adyen is the financial technology platform of choice for leading businesses. Our customers include global enterprises such as Uber, Spotify, Microsoft, H&M, and Netflix. Our technology allows customers to focus on their core business while we handle the increasingly complex payment landscape. By providing end-to-end payments capabilities, data insights, and financial products in a single global solution, we help businesses achieve their ambitions faster.

Pros

  • Ease of Use
  • Efficiency
  • Reliability
  • Intuitive
  • Payment Ease
  • Transactions