Nexo Standards

Standardized payment integration built for flexibility and scale

Payment environments often rely on proprietary integrations that create complexity, limit flexibility, and increase the cost of change over time.


Tender Retail supports nexo standards across Retailer, FAST, Acquirer, and TMS protocols, providing one of the few solutions that brings all layers together in a unified payment environment. 

This enables a consistent and standardized approach to payment communication between POS systems, payment devices, and acquirers, helping organizations reduce integration effort and future-proof their payment architecture. 


Standardized

Based on industry-recognized Nexo protocols

Interoperable

Connect across devices, POS, and acquirers

Flexible

Reduce dependency on proprietary integrations

Future-ready

Adapt to evolving payment ecosystems

Consistent communication across your payment ecosystem 


Standardized messaging ensures that systems can interact reliably, regardless of the underlying hardware or software. 


  • Standardized communication between POS and payment terminals
  • Reduced need for custom integration development
  • Consistent transaction behavior across devices and environments
  • Simplified onboarding of new systems and components 

Standardization that simplifies integration and evolution 


Nexo standards define a common language for payment communication, allowing POS systems and payment devices to interact in a consistent and predictable way.



By adopting these standards, Tender Retail helps organizations reduce the complexity of custom integrations and avoid vendor-specific dependencies. This creates a more stable and scalable foundation for payment environments, especially in large or evolving retail ecosystems.

Standardized communication 

Use a common protocol across POS, devices, and processors. 

Interoperability 

Work across different vendors without custom integrations.

Reduced certification effort

Minimize revalidation when introducing changes. 

Future-proof architecture

Adapt to new technologies without redesigning your payment stack.

Core capabilities enabled by Nexo standards

Simplify integration and reduce certification effort 


Standardized communication simplifies integration and reduces the impact of change across the payment environment. By using a common framework, updates such as introducing new devices or working with different acquirers can be handled without rebuilding existing integrations. This approach significantly reduces certification effort, as changes do not require full revalidation across all systems. As a result, organizations can deploy new capabilities faster while maintaining stability and consistency. 

Enable flexibility without rebuilding your integrations 

Enable flexibility without rebuilding your integrations 

Proprietary integrations can limit flexibility and increase long-term costs. Changes such as switching devices or acquirers often require significant redevelopment and testing.


By leveraging Nexo standards, Tender Retail reduces dependency on vendor-specific implementations, allowing systems to evolve without requiring full integration rework. 

Support a more adaptable payment ecosystem 

Standardized communication enables organizations to respond more quickly to changing business needs. Whether introducing new hardware, updating POS systems, or expanding into new markets, a consistent integration layer simplifies the process.



This approach supports long-term scalability while maintaining stability across existing environments. 

Build on standards, not constraints 


Nexo standards provide a foundation for more flexible, scalable, and maintainable payment environments. With Tender Retail, organizations can move away from rigid integrations and build systems that are designed to evolve. 

Learn how to make it happen

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faq

What are Nexo standards?

Why are Nexo standards important?

Does this replace existing integrations?

Can we still work with different acquirers and devices?

How does this impact future changes?

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