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

Download the keynotes from the 2026 nexo standards Annual Conference in Warsaw
Become a nexo implementer

Create your account,
simply access
our specifications and standards

nexo standards signs agreement with the European Central Bank to facilitate digital euro payments

Removing Barriers in Air Transport Retail Payment Acceptance with nexo standards
nexo standards has published its latest paper, “Chocks Away: Removing Barriers in Air Transport...

Download the keynotes from the 2025 nexo standards Annual Conference in Vienna

Nordic Initiative Forms Strategic Partnership with nexo standards to Improve Nordic Payment Systems

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


