NMI Gateway
Reviews
Star rating
Rank in Payment Gateways
Pros and cons
Pros
- Ease of Use
- Customer Support
- Security
- User Interface
- Features
- Setup Ease
Cons
- Poor Customer Support
- Integration Issues
- Limited Customization
- Expensive
- Limited Features
- Poor Interface Design
Traffic & LLM citations
Source: G2 review data
Winning from
Losing to
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 87.9% |
| Mid-Market | 11.2% |
| Enterprise | 0.9% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2025 Q1 | 1 | 5.0 |
| 2025 Q4 | 5 | 5.0 |
| 2026 Q2 | 1 | 4.5 |
Satisfaction ratings
What reviewers say
Outstanding Support and Developer-First Approach
“Great team and People. They helped me get a gateway going to offer more softwares to clients”
Effortless Integration and Top-Notch Support with Robust Security
“The ease of use of the virtual terminal is always a great feature and easy to use in case the gateway itself is down. . Integration is usually a breeze for merchants and we never have an issue reaching customer service and getting any issues solved. Very comfortable with the pl”
Efficient Payment Processing with Robust Features
“I love the Virtual Terminal in NMI Gateway that allows merchants to key in transactions, issue refunds, run batch reports, and manage customer billing profiles. It's great to have the ability to log into one portal from anywhere, making payment processing easy and convenient. The”