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

Nordic Initiative Forms Strategic Partnership with nexo standards to Improve Nordic Payment Systems
Paris, May 12th, 2025 - The Nordic Initiative has established a strategic partnership with nexo standards to transform payment systems across the Nordic Tier 1 consumer-facing industries. This collaboration aims to develop standardized payment solutions to benefit businesses and consumers throughout the region.
The partnership unites major Tier 1 members of The Nordic Initiative across industries and Nordic borders to create payment solutions that enhance...
Become a nexo implementer

Create your account,
simply access
our specifications and standards

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

NEXO STANDARDS ANNUAL REPORT 2023
nexo standards has proudly released its fourth annual report, showcasing the collective strides...

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