March 18, 2025

Core Platform

Core Platform

Enhancements

New rfiHashId for Easier RFI Tracking

A new parameter, rfiHashId, is now available in the following requests:

• Fetch Corporate Customer RFI Details​
• Respond to RFI for Corporate Customer

You can now store and use an rfiHashId to uniquely identify and respond to Requests for Information (RFIs), helping ensure accurate tracking and preventing mix-ups.

While templateId remains available, we strongly recommend migrating to rfiHashId for improved accuracy and future compatibility.

For more details, see Requests for Information (RFIs). If you have any questions, please contact your Nium account manager or Nium Support.

Issuance and Cards

Issuance and Cards

There are no changes for this time period.

Payouts and Payins

Payouts and Payins

New features

Nium Playbook Changelog

We’ve launched a changelog for the Nium Playbook, making it easier to track updates to our transaction capabilities all in one place.

Explore the changelog and stay up to date: Nium Playbook

Failure Codes Guide

We’ve published a new Failure Codes guide outlining why transactions may fail and the standardized ISO codes that are returned. These codes helps you by providing a:

• Simplified integration: Standardized failure codes reduce the need to interpret multiple financial messages.
• Faster resolution: Recommended actions are provided for each failure, helping you quickly identify and resolve issues.