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NMI

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4.6 out of 5 stars
205 reviews
  • 3 profiles
  • 3 categories
Average star rating
4.6
Serving customers since
2001
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NMI Gateway

104 reviews

NMI is a leading global payment enablement platform, processing more than $180 billion in payments annually. We enable payments for over 3,200 partners and over 260,000 merchants around the world and across the entire commerce ecosystem: online, in-app, mobile, in-store, unattended and whatever’s next. We’re constantly innovating in order to power the next era of payments, building in the latest technology so ISVs, ISOs, banks and fintech innovators can focus on what they do best. NMI has offices in the US and UK and serves global customers.

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Merchant Central by NMI

98 reviews

Integrated Reporting is Simple (IRIS CRM) is a premier sales automation software company servicing clients in the payments industry.

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NMI Payments

3 reviews

The NMI Payments solution combines a feature-rich, PCI-compliant gateway with our next-generation payment acceptance platform with state-of-the-art technology to empower your merchants to transact securely, easily and reliably. NMI unlocks growth opportunities and delivers a competitive advantage. Through our 20+ years of experience leading innovation in payments, we help you provide unparalleled payment experiences. Your merchants can enjoy frictionless, reliable payment experiences wherever and however they want. Create greater merchant stickiness, reduce churn and drive recurring revenue with the power of these features.

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NMI Reviews

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Profile Name
Star Rating
167
29
7
2
0
Verified User in Financial Services
EF
Verified User in Financial Services
02/20/2026
Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review

Powerful Merchant Relationship Management

|Merchant Central by NMI
Centralized merchant relationship management product that does many things that others don't it seems to get to the goal line but doesn't always cross it
JS
Joseph S.
02/19/2026
Validated Reviewer
Review source: G2 invite on behalf of seller
Incentivized Review

Versatile Tool with Room for Improvement

|Merchant Central by NMI
I do like the versatility of Merchant Relationship Management by NMI. It has a lot of features that are very useful. For instance, the ticket type creation is one of the most powerful tools on the operation side; although there were initially some misunderstood uses, once you build them out, it works really great. The email templates for automating communication are also valuable, helping us streamline interactions with merchants. These templates help automate a lot of communication, making the whole process more efficient and yielding good feedback from merchants. The ticket types are also versatile and expansive, with roughly 300 ticket types that I utilize, allowing us to manage the workflow better. Categorizing tickets is extremely valuable for pulling reports, and overall, email templates make communication very automated, which is extremely helpful.
Charles A.
CA
Charles A.
Project and Business Development Director
12/19/2025
Validated Reviewer
Verified Current User
Review source: Organic

Proactive Support and Seamless Integrations

|NMI Gateway
I like that with NMI Gateway, as the Processor, I can log in and assist my merchants, which is crucial for those who are not tech-savvy. This proactive support capability sets NMI apart from other gateways like Authorize.net. The login function is really helpful as it allows me to see exactly what the merchants are looking at or to get the details they are missing. Another big feature I find incredibly useful is the ability to have multiple processing backends loaded up on NMI. This lets me easily swap or point to another backend without needing a whole new gateway, especially if one goes down. The uptime has been phenomenal, and it's been a great experience using them for about 6 years with very few issues. It's my top recommended gateway, a 10 for me.

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HQ Location:
Schaumburg, Illinois

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@NMIpayments

What is NMI?

NMI is a global leader in embedded payments infrastructure, powering more than $440+ billion in payment volumes every year. From our industry-leading payment gateway technology to our seamless merchant underwriting, acquiring, onboarding and management platform, we enable our partners across the entire payments ecosystem. We help our partners deliver frictionless payment solutions to their customers, offering modularity, flexibility and choice, wherever and however consumers want to pay – online, in-store, in-app, mobile and unattended. And we’re constantly innovating, empowering ISOs, software vendors and payment professionals as they embrace the future of fintech.

Details

Year Founded
2001