ENABLING
GLOBAL INTEROPERABILITY
IN PAYMENT ACCEPTANCE
Providing the building blocks
for standardization in payments acceptance
nexo promotes the widespread acceptance of protocols, a series of standards to ensure interoperability among payment acceptance and acquiring solutions, retail payment solutions, and terminal management systems.
ISO 20022
Protocols
nexo designs, develops and maintains payment and cash withdrawal standards that follow a universal ISO standardization process
PAYMENT ACCEPTANCE SOLUTION HARMONIZATION
nexo is a specification provider. Its member-based payment experts work collaboratively in developing standardized EMV terminal payment application specifications.
TOWARDS COMMON IMPLEMENTATION SPECIFICATIONS
nexo provides specifications to harmonize payment acceptance. Obtain our specifications and enter the world of interoperability

A Retailer’s Guide to ISO 20022 whitepaper
nexo standards has published its latest paper, “A Retailer’s Guide to ISO 20022: A New Era in Payment Acceptance”.
The paper explores the benefits of ISO 20022 adoption across retailer payment acceptance infrastructures and shines a light on the specifications and protocols already available to help retailers apply the standard uniformly across their businesses, borders, and jurisdictions.
The paper outlines the new ISO 20022 guidelines from a retailer’s perspective, offering...
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NEXO STANDARDS ANNUAL REPORT 2024
nexo standards has released its fifth annual report, showcasing the organization's collective...

Nordic Initiative Forms Strategic Partnership with nexo standards to Improve Nordic Payment Systems
Paris, May 12 th , 2025 - The Nordic Initiative has established a strategic partnership with...

REMA 1000 levels up its payment ecosystem with nexo standards and Market Pay
REMA 1000, one of the leading discount grocery chains in Norway,...

TotalEnergies achieves certification with new nexo Implementation Specifications (NIS v4.0) for POI
NEXO BRINGS TOGETHER THE PAYMENT ACCEPTANCE ECOSYSTEM EXPERTS
- ACCEPTORS
- PAYMENT SERVICE PROVIDERS
- CARD SCHEMES
- VENDORS
- PROCESSORS