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Access Control Server

Verestro Access Control Server (ACS) enables issuers to authenticate cardholders in real-time, aiming to reduce online fraud while maintaining an enhanced customer experience. Verestro ACS assesses transaction risk to determine whether to grant a frictionless approval or challenge the user for verification.

This documentation covers the fully certified Verestro ACS SaaS solution, including:

  • Authentication Flows: How to implement Frictionless, Challenge (OTP/Biometrics), 3RI, and SPC flows.

  • Risk Management: Using the configurable Rule Engine and Admin Panel to define custom rules and review authentication events.

  • Integration & Compliance: API integration guides and details on adhering to EMV® 3-D Secure (2.2.0 & 2.3.1) and PSD2 SCA standards.

    https://developer.verestro.com/books/knowledge-center/page/what-is-an-acs-in-the-3ds-ecosystem

Introduction

Verestro Access Control Server (ACS) Overview The Verestro Access Control Server (ACS) is an EMV...

Overview

ACS by Verestro is a solution designed to address online payment threats. It allows for secure pr...

Your APIs for us - Issuer

Issuer API                                                                                    ...

Technical Documentation

ACS API                                                                                       ...
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