API Overview

Recent Revisions to This Document

Payer Authentication Developer Guide

Introduction to Payer Authentication
- Why Payer Authentication Is Needed
- EMV 3-D Secure 2.0
- Payer Authentication Customer Workflow
- Payer Authentication Merchant Workflow
- Enable Merchant Account for EMV 3-D Secure
- Payer Authentication Configuration Testing
- Request Endpoints
- Payer Authentication Integrations

Implementing Direct API for Payer Authentication
- Prerequisites
- After Implementation and Before Go Live

Step 1: Setup Service
- Request Fields
- Important Response Fields

Step 2: Device Data Collection
- Which Device Data is Collected
- Building the Iframe
- Initiating the Device Data Collection Iframe
- Submitting the Device Data Collection Iframe
- Receiving the Device Data Collection URL Response

Step 3: Payer Authentication Check Enrollment Service
- Request Fields
- Interpreting the Check Enrollment Response
- Important Response Fields

Step 4: Step-Up Iframe
- Building the Iframe Parameters
- Creating the Iframe
- Invoking the Iframe
- Receiving the Step-Up Results

Step 5: Payer Authentication Validation Service
- Request Fields
- Interpreting the Validation Response
- Redirecting Customers to Pass or Fail Message Page

Combining the Authentication and the Authorization Services
- Combining Check Enrollment and the Authorization Services
- Combining the Validation and the Authorization Services

Implementing SDK Payer Authentication
- Implementation Overview
- Process Flow for SDK Integration
- Prerequisites for SDK Implementation
- Mobile Device Data Collected
- Using the Android SDK
- Using the iOS SDK
- Running Payer Authentication with SDK

Authentication Examples Using Primary Account Numbers
- Setting Up Device Data Collection
- Checking Enrollment in Payer Authentication
- Checking Enrollment and Authorizing a Transaction
- Validating a Challenge
- Validating and Authorizing a Transaction
- Non-Payment Authentication

Examples Using 3-D Secure Data Only
- Visa Data Only
- Mastercard Data Only

Authentication Examples Using Digital Payment (Google Pay)
- Setting Up Device Data Collection Using Digital Payment (Google Pay)
- Checking Enrollment in Payer Authentication Using Digital Payment (Google Pay)
- Validating a Challenge Using Digital Payment (Google Pay)

Authentication Examples Using TMS Tokens
- Setting Up Device Data Collection with a TMS Token
- Checking Enrollment When Using a TMS Token
- Validating a Challenge When Using a TMS Token

Authentication Examples Using Flex Microform Tokens
- Setting Up Device Data Collection When Using a Flex Microform Token
- Checking Enrollment When Using a Flex Microform Token
- Validating a Challenge When Using a Flex Microform Token

Authentication Examples Using Network Token/Tokenized Cards
- Setting Up Device Data Collection with a Network Token/Tokenized Card
- Checking Enrollment with a Network Token/Tokenized Card

Authentication Examples of Merchant-Initiated Transactions
- Challenge Reponses to 3RI Transactions
- Network-Specific Values for Multi-Party Commerce/Online Travel Agency (OTA)
- 1a: Initial Recurring Transaction
- 1b: Recurring Payments - Subsequent Transaction (Mastercard)
- 2a: Installment - Customer Initiated Transaction (Mastercard)
- 3a: Split/Partial Shipment (Mastercard)
- 3b: Split/Delayed Shipment (Visa)
- 4a: Multi-Party Commerce or OTA (Visa)
- 4b: Multi-Party Commerce or OTA (MasterCard)
- 4c: Multi-Party Commerce or OTA (MasterCard)

Testing Payer Authentication
- Testing Process
- Test Cases for 3-D Secure 2.x
- Additional Test Cases
- HTTP Status Codes

Website Modification Reference
- Website Modification Checklist
- EMV 3-D Secure Service Logos
- Informational Message Examples

Upgrading Your Payer Authentication Implementation
- Benefits
- PSD2 Impact
- Recommended Integration

Finding Payer Authentication Transaction Details in the Smartpay Fuse Portal
- Searching for Transactions
- Storing Payer Authentication Data
- Searching for Payer Authentication Details

Payer Authentication Reports
- Payer Authentication Summary Report
- Payer Authentication Detail Report

Glossary

2.11: Step-Up Authentication Is Unavailable

This test verifies that the correct response is returned when step-up authentication is unavailable.

Card Numbers

Card Type	Test Card Number
	`3-D Secure` 2.1.0	`3-D Secure` 2.2.0
American Express Card Type = 003	—	34XXX XX XXXX 2484
Diners Club Card Type = 005	6X11XX XX XXXX 1119	—
Discover Card Type = 004	6X11XX XX XXXX 1119	—
Mastercard Card Type = 002	52XXXX XX XXXX 1112	52XXXX XX XXXX 2664
Visa Card Type = 001	4XXXXX XX XXXX 1117	4XXXXX XX XXXX 242X

Results for the Check Enrollment Service

Status

=

PENDING_AUTHENTICATION

The cardholder is enrolled in payer authentication. Authenticate before proceeding with authorization.

VERes enrolled =

Y

PARes Status =

C

Results for the Validation Authentication Service

Status

=

AUTHENTICATION_SUCCESSFUL

Authentication is validated.

PARes status =

U

XID = <XID value>

E-Commerce Indicator (ECI) Values

This table lists the expected ECI raw values and their respective string values from this transaction. These values indicate whether the payer was authenticated by the card network. These values should be passed under this test condition when a transaction is submitted for payment authorization.

Network	ECI Raw Value	ECI String Value
American Express	07	internet
Diners Club	07	internet
Discover	07	internet
Mastercard	00	internet
Visa	07	internet or vbv_failure

Action

The merchant can retry authentication or process without the liability shift.