Change Log
Last update: 09/10/2026
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.
09/10/2026
Operations and Reporting API
Added
Add Operations and Reporting APIs
05/10/2026
IPSO obligations
Removed
Removed the obligation to add all PSPs to Nexus. Only reachable PSPs must be added in line with the Nexus Scheme Rulebook
05/10/2026
Message Guidelines
Updated
Added the option to cancel a previously planned scheduled downtime via admi.004
25/09/2026
Message Guidelines
Updated
Updated ISO message specifications. See excel file for detailed change log
25/09/2026
API
Added / Updated
Add Health Check APIs. Updated schema for OpenAPI Specs. Categorize APIs into Nexus and FXP.
28/08/2026
Message Guidelines
Updated
Updated ISO message specifications. See excel file for detailed change log.
26/08/2026
pacs.002
Added
Added error codes
26/08/2026
acmt.024
Updated
Updated error codes to align with ISO20022
24/08/2026
API
Added
Added 2 FXP specific APIs
24/08/2026
API
Added
Added specific API for each ISO20022 message with examples
24/08/2026
API
Updated
Updated OpenAPI Spec with descriptions
18/08/2026
Payment Setup - Step 15
Updated
Added PNDG as a status in pacs.002
18/08/2026
Payment Processing - Value Limit
Clarified
Clarified that Nexus only applies value limits on individual payments.
18/08/2026
Message Specs
Updated
Updated message specs. See the Excel for the detailed Change Log.
07/07/2026
Quotes
Updated
Updated the quote validity in line with the Nexus Scheme Rulebook. Quotes have an expiry time of 600 seconds.
07/07/2026
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.
07/07/2026
Fees
Updated
Updated the Destination PSP fee to be defined on Country level instead of a generic Nexus fee.
07/07/2026
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.
07/07/2026
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.
07/07/2026
Additional optional APIs
Added
Added descriptions of additional optional APIs.
Last updated