Payment processors + devices
We pre-certify the most popular chip and contactless payment devices with the largest payment processors and acquirers to offer maximum choice and speedy integrations. Take a look at our ever-growing list of payment processors.
Payment connections for developers
Our easy-to-integrate SDKs and APIs support a range of payment devices for mobile, fixed and unattended applications on all common operating systems. Each comes with certified connections to leading processors and acquirers.
Payment processors + devices
Windows/Linux SDK
Our most popular SDK allows you to integrate retail POS and unattended terminals into both PC and embedded systems, with many advanced payment features.
Payment processors + devices
iOS/Android SDK
Our feature-rich mobile SDKs allow you to develop your mobile POS applications to work with certified industry standard devices.
Payment processors + devices
iProcess Mobile App
Our direct API integration allows manufacturers to build an NMI payment application into their devices. It’s certified by NMI so it can be widely sold through partners.
Payment processors + devices
Tap to Mobile
| Device | Chase Paymentech | Elavon |
First Data |
TSYS |
Worldpay |
| Tap to Mobile |  |
Payment processors + devices
Cloud API
Payment processors + devices
Direct Connect API
| Device | Chase Paymentech | Elavon | First Data | TSYS | Worldpay |
| Globalcom BV1000 |
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| Payter P68 |
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| CPI Alio/Alio Pro |
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Robust documentation
No matter the size of your business or the complexity of your needs, NMI can power your payments.
Ecommerce connections
We support 150+ ecommerce processor connections. Our team can tell you if your required process is supported.
Custom connections and certifications
We work alongside terminal manufacturers’ development teams to engineer custom solutions for advanced payment acceptance, such as open-loop transportation ticketing.
Build and deploy on your timeline
All our SDKs and APIs are richly documented with sample code and examples to get you up and running as quickly as possible.