API Overview

Unified Checkout Developer Guide
- Recent Revisions to This Document

Introduction to Unified Checkout

Unified Checkout Quick Start
- Step 1: Enable Unified Checkout
- Step 2: Set Up the Server-Side Component
- Step 3: Set Up the Client-Side Component
- Step 4: Configure Unified Checkout
- Step 5: Test Your Unified Checkout Integration

Unified Checkout Flow

Payment Methods
- Cards
- Pay with Token
- eCheck/ACH Service
  - Enrolling in eCheck/ACH Services
  - Pay with eCheck/ACH Service UI
- Digital Wallets
  - Apple Pay
    - Enrolling in Apple Pay
    - Preparing a Device for Testing Apple Pay on Unified Checkout
    - Apple Pay UI
  - Google Pay
    - Enrolling in Google Pay
    - Managing Google Pay Authentication Types
    - Google Pay UI
  - Click to Pay
    - Enabling Click to Pay in the Business Center
      - Set Up Customer Authentication for Click to Pay
      - Click to Pay Customer Authentication
    - Click to Pay UI
    - Click to Pay UI Guidelines
    - Click to Pay UI Examples
  - Paze
    - Paze UI
- Alternative Payment Methods
  - Online Bank Transfers
    - Bancontact
    - DragonPay
    - Tink Pay By Bank
    - iDeal
    - MyBank
    - Multibanco
    - Przelewy24|P24
    - Verify Status for Online Bank Transfers
    - Verify Status for Online Bank Transfers (Tink Pay By Bank)
    - Handle Responses
  - Buy Now, Pay Later
    - Afterpay
    - Verify Status for Afterpay
    - Handle Responses
    - Captures
  - PayPal and Venmo
    - PayPal
      - PayPal Vaulted Payments
      - Capture a Sale with Vaulted Payment Method for the First Time
      - Process a Sale with a Vaulted ID for the First Time
      - Retrieve a Vaulted ID
      - Delete a Vaulted ID
    - Venmo
    - Verify Status for PayPal and Venmo
    - Handle Responses
    - Captures

Integration Methods
- Checkout
- Button
- Trigger
- Components

Server-Side Set Up

Client-Side Set Up
- Loading the JavaScript Library

Configuration
- Configure the Unified Checkout Merchant Experience
  - Enable Unified Checkout
  - Configure Payment Options
  - Customize the Unified Checkout Look and Feel
  - Configure Value Added Solutions
  - Look and Feel UI Examples
  - Configure Customer Data and Payment Flow
  - Capture Context Fields in the Business Center
  - Manage Permissions
    - Managing Permissions as a Direct Merchant
    - Managing Permissions as a Portfolio Administrator
- Process Payments with Unified Checkout
- Webhooks Support

Transient Tokens
- Transient Token Format
- Token Verification
- Dual-Branded Cards
- Authorizations with a Transient Token

Test Your Configuration
- Unified Checkout Test Cards
- Visa and Mastercard Click to Pay Test Cards
- Test Cards for Authentication by Click to Pay
- Echeck Test Values
- Test Authentication
- Handle Errors
- Reason Codes

Payment Details API

Board Merchants for Unified Checkout
- Enable Unified Checkout Using the Boarding Registration Service API
- Enable Unified Checkout Using the Business Center
  - Add Unified Checkout to a Merchant Account
  - Add Unified Checkout to an Existing Organization
  - Modify a Unified Checkout Configuration for an Organization

JavaScript API Reference

Update to Unified Checkout Version 1
- Update Reason Codes
- Version 1 Update Checklist

Appendix
- JSON Web Tokens
- Supported Countries for Digital Payments
- Supported Locales
- Security Recommendations
- PCI Compliance
- Client Version History

Visa Platform Connect: Specifications and Conditions for Resellers/Partners

On This Page

Add `Unified Checkout` to an Existing Organization

Follow these steps to add Unified Checkout to an organization:

In the left navigation panel, click Portfolio Management
.

Under Merchants, click Manage Merchants
. The Manage Merchants page appears.

Search for the organization on the Manage Merchant page.

Find the organization in the Search Results table, and click the eyeball icon. The Merchant Details page appears.

In the Products section, click

+ Add Products

. The Add a Product page appears.

Select Unified Checkout and click

Add

. The Unified Checkout Set Up and Enablement page appears.

Under Payment methods, select the payment methods you want to enable. These payment methods are available:

Afterpay

Apple Pay

Bancontact

Click To Pay

DragonPay

eCheck

Google Pay

iDeal

Konbini

Multibanco

Mybank

Przelewy24|P24

PayPal

Paze for Unified Checkout

Tink Pay By Bank

Unified Click to Pay SDK

Venmo

IMPORTANT

You must enable payment methods at the portfolio level before enabling them for the merchant.

Under Card Brands, select the card brands you want to enable in Unified Checkout. You can select Allow All
to enable all card brands for your merchants. When you select Allow All
, future additions to supported card brands are automatically available. These card brand are available:

American Express

Carnet

Cartes Bancaires

China UnionPay

Diners Club

Discover

EFTPOS

ELO

JCB

J Crew

Jaywan

KCP

MADA

Maestro

Mastercard

Meeza

Paypak

UATP

Visa

IMPORTANT

You must select at least one card brand to support.

Under Integrated services, select the services you want to enable. These services are available:

Decision Manager

Payer Authentication

Retrieve Sensitive Information at Portfolio Level

Token Management Service

IMPORTANT

You must enable and configure each of these services at the portfolio level, and enable the underlying service for the merchant, before you can enable them in Unified Checkout.

Click

Apply

to save your configuration.

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