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
      - Set Up Customer Authentication for Visa 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
  - Post-Pay Reference Payments
    - Konbini
    - Verify Status for Post-Pay Reference
    - Handle Responses
  - Alternative Payment Wallets
    - PayPal
    - Venmo
    - Verify Status for PayPal and Venmo
    - Handle Responses
    - Captures

Server-Side Set Up

Client-Side Set Up
- Loading the JavaScript Library
- Complete Integration Examples

Configuration
- Configure the Unified Checkout Merchant Experience
  - Enable Unified Checkout
  - Configure Payment Options
  - Customize the Unified Checkout Look and Feel
  - 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

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

VISA Platform Connect: Specifications and Conditions for Resellers/Partners

On This Page

Step 4: Configure Unified Checkout

Proper configuration ensures that your checkout process aligns with your business needs and provides a smooth experience for your customers. You can configure the checkout process in the Business Center:

Select and configure the payment methods you support:

Log in to the Business Center and navigate to the Unified Checkout configuration section.

Select the payment methods you want to use:

Credit and debit cards. See Cards.

eCheck/ACH Services. See eCheck/ACH Service.

Digital wallets such as Apple Pay, Click to Pay, and Google Pay. See Digital Wallets.

Alternative payment methods. See Alternative Payment Methods.

IMPORTANT

You must configure the payment methods you want to use for each transacting MID.

For information about which payment methods are supported on Unified Checkout, see Payment Methods.

Configure the settings for each selected payment method.

For information about configuring Unified Checkout in the Business Center, see Configure the Unified Checkout Merchant Experience.

AFTER COMPLETING THE TASK

Proceed to Step 5: Test Your Unified Checkout Integration.

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