Change Log

Last update: 07/07/2026

This change log records all notable updates to this documentation. It is intended to provide transparency on what has changed, when it changed, and why the change was made.

Entries are listed in reverse chronological order, with the most recent changes first. Each entry highlights additions, modifications, clarifications, and removals that may be relevant to readers, implementers, or operators. Minor editorial changes that do not affect meaning or requirements may be grouped or omitted.

The change log should be used alongside versioned documents and release communications to understand the evolution of the content over time.

Chapter/Topic	Change Type	Description
Quotes	Updated	Updated the quote validity in line with the Nexus Scheme Rulebook. Quotes have an expiry time of 600 seconds.
Agreed Rate	Updated	Updated the use of Agreed Rate instead of Exchange Rate in line with the 2025 version of the ISO200222 XML messages. Removed the use of Quote ID in the Additional Remittance Information section.
Fees	Updated	Updated the Destination PSP fee to be defined on Country level instead of a generic Nexus fee.
Payment Flow	Updated	Updated the payment flows in line with the Nexus Scheme Rulebook. This includes additional clarification on the exception and investigation flows. Added the optional registration of an IPSO defined minimum transaction amount.
Message Guidelines	Updated	The Message Guidelines are updated to the latest 2025 version and split between sending and receiving side. Additional updates are declared in the message guidelines document.
Additional optional APIs	Added	Added descriptions of additional optional APIs.