Accelerate your transaction authorization workflows
Notabene Transact automates pre-transaction decision-making, turning Travel Rule compliance requirements into faster settlements, more throughput, and fewer blockers to revenue.


Regulatory clarity is here.
Don't get left behind.
Global Travel Rule adoption has arrived—and non-compliant VASPs risk being left behind. Notabene Transact automates transaction authorization based on your unique risk policies, turning a regulatory obligation into a revenue engine.
Automate approvals with policy rules tailored to your risk profile
Minimize unnecessary alerts and manual intervention
Scale revenue by increasing transaction throughput
Scale revenue by increasing transaction throughput
Compliant transactions.
Real-world complexity.
Crypto transactions today rarely involve just two parties. Custodians, wallets, and other intermediaries can add immense complexity. Notabene Transact supports multi-party flows, wallet checks, and jurisdiction-specific rules across the globe.

Multi-agent coordination
Coordinate seamlessly between unlimited custodians, wallet providers, and intermediaries.
Multi-dimensional policy control
Make smarter decisions using region, counterparty, asset type, and transaction context.
Advanced transaction handling
Automate decisions for multi-leg, nested, and cross-border transaction flows.
Real-time policy enforcement
Approve or reject transactions instantly using flexible, risk-based authorization logic.
Self-hosted wallet support
Verify and authorize non-custodial wallets without slowing down transactions.
Open protocol.
Limitless growth.
Notabene Transact is built on the Transaction Authorization Protocol (TAP)—an open source messaging protocol designed to coordinate transaction authorization across any blockchain, asset, or wallet type.
Greater counterparty reach through decentralized discovery
Interoperable with legacy systems and public blockchains
Built for evolving compliance and messaging standards
Proactive risk prevention through pre-transaction checks
Uncompromizing security.
Privacy for all.
Data privacy isn't just a feature—it's foundational. Notabene Transact delivers secure data exchange between trusted parties with end-to-end encryption, granular role-based access, and auditable trails at every step.
End-to-end encryption across the full transaction lifecycle
Optional managed PII services for secure compliance outsourcing
Role-based access controls and independent system identities
Fully auditable data custody for institutional and regulatory confidence
Decentralized architecture eliminates single points of failure

Developer friendly.
Globally ready.
Notabene Transact is developer-friendly by design, with rich documentation, API-first architecture, and flexible deployment to meet global data residency requirements.
Direct API access and robust developer docs
Modular components to fit your
compliance stack
Regional deployment support to
meet sovereignty rules
Scale revenue by increasing transaction throughput
The world's most connected transaction authorization network
Join the largest active open network of Travel Rule-compliant entities. With Notabene Transact, you gain access to verified counterparties, real-time identity discovery, and secure interoperability across the globe.
End-to-end encryption across the full transaction lifecycle
Optional managed PII services for secure compliance outsourcing
Role-based access controls and independent system identities
Fully auditable data custody for institutional and regulatory confidence
Decentralized architecture eliminates single points of failure

A transaction authorization stack built for every stakeholder
Whether you're building a global exchange, managing risk at a bank, or designing new payment flows, Notabene Transact helps your team move faster, stay compliant, and scale securely.
Exchanges & custodians
Payment providers
Banks
Liquidity providers
Transform compliance into
a growth engine
