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
- Acquirer Information
- 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
  - Check Enrollment Response Fields and Their Equivalent Authorization Request Fields
- Combining the Validation and the Authorization Services
  - Validation Fields and their Equivalent Authorization Fields

Implementing SDK Payer Authentication
- Implementation Overview
- Process Flow for SDK Integration
- Prerequisites for SDK Implementation
  - Credentials/API Keys
    - Generating your API Key:
- What Mobile Device Data is Collected
- Using the Android SDK
  - Updating the Gradle Build Properties
  - Configuring the Android SDK
  - Setting Up the Initial Call
- Using the iOS SDK
  - Downloading and Importing the SDK
  - Configuring Your Build Environment
  - Configuring the iOS SDK
  - Setting Up the Initial Call
- Running Payer Authentication with SDK
  - Requesting the Check Enrollment Service (SDK)
  - Interpreting the Response
  - Authenticating Enrolled Cards
    - Calling Cardinal.cca_continue (Android SDK)
    - Calling Cardinal session continue (iOS SDK)
    - Receiving the Authentication Results
  - Requesting the Validation Service
    - Interpreting the Response
    - Redirecting Customers to the Message Page

Testing Payer Authentication
- Testing Process
  - Enrollment Check Response Fields
  - Authentication Validation Response Fields
- Test Cases for 3-D Secure 2.x
  - Test Case 2.1: Successful Frictionless Authentication
  - Test Case 2.2: Unsuccessful Frictionless Authentication
  - Test Case 2.3: Attempts Processing Frictionless Authentication
  - Test Case 2.4: Unavailable Frictionless Authentication
  - Test Case 2.5: Rejected Frictionless Authentication
  - Test Case 2.6: Authentication Not Available on Lookup
  - Test Case 2.7: Enrollment Check Error
  - Test Case 2.8: Time Out
  - Test Case 2.9: Bypassed Authentication
  - Test Case 2.10a: Successful Step-Up Authentication
  - Test Case 2.11a: Unsuccessful Step-Up Authentication
  - Test Case 2.12a: Unavailable Step-Up Authentication
  - Test Case 2.14: Require Method URL
- Payer Authentication Exemption Test Cases
  - Test Case 1a: Initial/First Recurring Transaction: Fixed Amount
  - Test Case 2a: Card Authentication Failed
  - Test Case 2b: Suspected Fraud
  - Test Case 2c: Cardholder Not Enrolled in Service
  - Test Case 2d: Transaction Timed Out at the ACS
  - Test Case 2e: Non-Payment Transaction Not Supported
  - Test Case 2f: 3RI Transaction Not Supported
  - Test Case 3a: Transaction Risk Analysis Exemption: Low Value: Mastercard EMV 3-D Secure 2.1 and 2.2
  - Test Case 3b: Transaction Risk Analysis: Low Value: Visa
  - Test Case 3c: Transaction Risk Analysis: Low Value: Discover
  - Test Case 3d: Acquirer Transaction Risk Analysis: Cartes Bancaires
  - Test Case 4a: Trusted Beneficiary Prompt for Trustlist
  - Test Case 4b: Utilize Trusted Beneficiary Exemption
  - Test Case 5a-1: Identity Check Insights (ScoreRequest = N)
  - Test Case 5a-2: Identity Check Insights (ScoreRequest = Y)
- HTTP Status Codes

Payer Authentication Use Cases
- Use Case: Collecting Device Data
  - Required Fields for Collecting Device Data
  - Optional Fields for Collecting Device Data
  - Simple Order Example: Setting Up with Payer Authentication
- Use Case: Collecting Device Data Using a Stored Payment Credential (TMS Token)
  - Required Fields for Collecting Device Data Using a Stored Payment Credential (TMS Token)
  - Optional Fields for Collecting Device Data
  - Simple Order Example: Setting Up with Payer Authentication Using a Token
- Use Case: Collecting Device Data Using Digital Payment (Google Pay)
  - Required Fields for Collecting Device Data
  - Optional Fields for Collecting Device Data
  - Simple Order Example: Setting Up Payer Authentication Using Google Pay
- Use Case: Checking Enrollment in Payer Authentication
  - Required Fields for Checking Enrollment in Payer Authentication
  - Optional Fields for Checking Enrollment in Payer Authentication
  - Simple Order Example: Check Enrollment
- Use Case: Checking Enrollment in Payer Authentication While Using a Stored Payment Credential (TMS Token)
  - Required Fields for Checking Enrollment in Payer Authentication While Using a Stored Payment Credential (TMS Token)
  - Optional Fields for Checking Enrollment in Payer Authentication
  - Simple Order Example: Checking Enrollment Using a Token
- Use Case: Checking Enrollment in Payer Authentication Using Digital Payment (Google Pay)
  - Required Fields for Checking Enrollment in Payer Authentication
  - Optional Fields for Checking Enrollment in Payer Authentication
  - Simple Order Example: Checking Enrollment in Payer Authentication Using Google Pay
- Use Case: Validating Step-Up
  - Required Fields for Validating Step-Up
  - Optional Fields for Validating Step-Up
  - Simple Order Example: Validating the Challenge
- Use Case: Validating Step Up Using Digital Payment (Google Pay)
  - Required Fields for Validating Step-Up
  - Optional Fields for Validating Step-Up
  - Simple Order Example: Validating the Challenge When Using Google Pay
- Use Case: Validating and Authorizing a Transaction
  - Required Fields for Processing an Authorization Using Visa Secure
  - Optional Fields for Validating Step-Up
  - Simple Order Example: Processing an Authorization Using Visa Secure

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

Alternate Methods for Device Data Collection
- Device Data Collection Overview
  - Prerequisites
  - Endpoints
- Collecting Device Data
  - Card BIN in JWT
  - Card BIN as a POST Parameter Plus JWT

Upgrading Your Payer Authentication Implementation
- Benefits
- PSD2 Impact
  - Mandates
- Recommended Integration
- Migrating from EMV 3-D Secure 1.x to 2.x FAQ

Payer Authentication Transaction Details in the Smartpay Fuse Portal
- Payer Authentication Search
- Storing Payer Authentication Data
- Searching for Payer Authentication Details
  - Enrolled Card
    - Enrollment Check
    - Authentication Validation
  - Card Not Enrolled
    - Transaction Details

Payer Authentication Reports
- Payer Authentication Summary Report
  - Downloading the Report
  - Matching the Report to the Transaction Search Results
  - Interpreting the Report
  - Comparing Payer Authentication and Payment Reports
- Payer Authentication Detail Report
  - Report Element
  - PayerAuthDetail Element
  - ProofXML Element
  - VEReq Element
  - VERes Element
  - PAReq Element
  - PARes Element
  - AuthInfo Element
  - Report Examples

Reason Codes

Glossary

Simple Order Example: Setting Up with Payer Authentication Using a Token

Request

card_accountNumber=XXXXXXXXXXXXXXXX
card_expirationMonth=12
card_expirationYear=2030
merchantID=patest
merchantReferenceCode=0001
payerAuthSetupService_run=true
recurringSubscriptionInfo_subscriptionID=o98oyhn938qo

Response to a Successful Request

decision=ACCEPT
merchantReferenceCode=0001
payerAuththSetupReply_deviceDataCollectionURL=https://centinelapistag.cardinalcommerce.com/V1 /Cruise/Collect
payerAuthSetupReply_reasonCode=100
payerAuthSetupReply_referenceID=f13fe5e0-9b47-4ea1-a03a-ec360f4d0f9f
payerAuthSetupReply_accessToken=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI1MDc4OTI0Mi0z YmEzLTRhZTItYWQwOS1kZjZkODk2NWQ5MjciLCJpYXQiOjE1OTgyOTk1MjQsImlzcyI6IjVkZDgzYmYwMGU0MjNkMTQ 5OGRjYmFjYSIsImV4cCI6MTU5ODMwMzEyNCwiT3JnVW5pdElkIjoiNTVlZjNmMTBmNzIzYWE0MzFjOTliNWViIiwiUGF 5bG9hZCI6eyJBQ1NVcmwiOiJodHRwczovLzBtZXJjaGFudGFjc3N0YWcuY2FyZGluYWxjb21tZXJjZS5jb20vTWVyY2 hhbnRBQ1NXZWIvY3JlcS5qc3AiLCJQYXlsb2FkIjoiZXlKdFpYTnpZV2RsVkhsd1pTSTZJa05TWlhFaUxDSnRaWE56W VdkbFZtVnljMmx2YmlJNklqSXVNaTR3SWl3aWRHaHlaV1ZFVTFObGNuWmxjbFJ5WVc1elNVUWlPaUkzTkRNeVlUWXdN QzA0TXpNMkxUUm1PRGN0WVdKbE9TMDJObVkzTkRFM01EaGhNV1FpTENKaFkzTlVjbUZ1YzBsRUlqb2lPR0U1TkRkaU9E TXRNRFJpTkMwMFltVmlMV0V5WWpNdFpHTmpNV0UxWmprMFlURXlJaXdpWTJoaGJHeGxibWRsVjJsdVpHOTNVMmw 2WlNJNklqQXlJbjAiLCJUcmFuc2FjdGlvbklkIjoiVEQ1b1MwbzFGQzY1cWF2MHhzeDAifSwiT2JqZWN0aWZ5UGF5bG9h ZCI6dHJ1ZSwiUmV0dXJuVXJsIjoiaHR0cHM6Ly9leGFtcGxlLmNvbS9zdGVwLXVwLXJldHVybi11cmwuanNwIn0.8w Z8XhLgOIIRvgEUugvYrRAi-efavZTNM0tWInYLTfE
payerAuthSetupReply_reasonCode=100
requestID=5982993692286989203011
requestToken=AxjzbwSTRFa3h+A4wXZDABEBURwlqraRpAy7gDthk0kyro9JLIYA8AAA2wK2

Back to top