Highnote Sync: Platform Updates December 2025

The latest Highnote upgrades deliver new capabilities and enhancements for our subscribers. For a detailed overview of recent updates, please visit our Product Updates.

Collaborative Authorization Request Payload Enhancements

We’ve released a major update to the Collaborative Authorization Request (CA) payload, enhancing data alignment and consistency across the platform’s transaction authorization flows.

This update brings the CA payload into full alignment with our broader API schema, updating:

1. Aligned the CA payload's MerchantDetails and PointofServiceDetails with the schema used by the rest of the API.

2. Added the following Objects/Fields:

AdditionalNetworkData

• VisaData (retrievalReferenceNumber, paymentFacilitatorIdentifierm acquiringInstitutionIdentificationCode)

• riskScore

• MastercardData (retrievalReferenceNumber, paymentFacilitatorIdentifier, acquiringInstitutionIdentificationCode)

• fraudScore

cashbackAmount

Additional Updates

Issuing

Search Enhancements

Added support for searching transactions by transaction ID (tx_) to improve search precision.

Spend Rules UX Improvements

Enhanced the transaction experience by refining spend rule result displays.

Adjustment Event Display Fix

Resolved a display issue affecting adjustment transaction event details.

Application Document Indicators

Added a visual indicator on the Application Documents tab to show when linked documents exist.

Authorized User Visibility Logic

Updated logic so only programs with authorized users appear on the Authorized User tabs.

Transaction Adjustment Filters

Introduced filtering capabilities for network transaction adjustments.

Document Review Modal Fix

Corrected the document review modal to open the specific document clicked, rather than the most recent one marked IN_REVIEW.