February 3rd, 2026

Guides Updates

Changed

• Updated the notificationCreationTime description across all Balanceless model notifications for improved clarity.
• Updated the transactionTimestamp description in the Card Purchase notification API to clarify that it reflects the time the transaction was processed by Nium.

API Reference (OpenAPI) Changes - V1.3.1

Changed

• Refined the transactionTimestamp description for Balanceless Card notifications to clarify processing semantics.