API Overview

Unified Checkout Integration
- Recent Revisions to This Document
- VISA Platform Connect: Specifications and Conditions for Resellers/Partners

Introduction to Unified Checkout Integration

Unified Checkout Integration Flow
- Enabling Unified Checkout Integration in the Business Center

Server-Side Set Up
- Capture Context

Client-Side Set Up
- Loading the JavaScript Library and Invoking the Accept Function
  - JavaScript Example: Initializing the SDK
- Adding the Payment Application and Payment Acceptance
  - JavaScript Example: Setting Up with Full Sidebar
  - JavaScript Example: Setting Up with the Embedded Component

Transient Tokens
- Transient Token Format
- Token Verification

Authorizations with a Transient Token
- REST Example: Requesting an Authorization with a Transient Token

Capture Context API
- REST Example: Requesting the Capture Context

Payment Details API
- REST Example: Retrieving Transient Token Payment Details

Unified Checkout Integration Configuration
- Enable Digital Payments
  - Enrolling in Apple Pay
  - Enabling Click to Pay
  - Enrolling in Google Pay
- Manage Permissions
  - Managing Permissions as a Direct Merchant
  - Managing Permissions as a Portfolio Administrator

Unified Checkout Integration UI
- Apple Pay UI
- Click to Pay UI
- Google Pay UI
- Manual Payment Entry UI
- Pay with Bank Account UI
- Paze UI

JSON Web Tokens

JavaScript Reference
- Class: Accept
- Class: AcceptError
- Class: UnifiedPayments

Supported Countries for Digital Payments
- Supported Countries for Digital Payments A-D
- Supported Countries for Digital Payments E-K
- Supported Countries for Digital Payments L-R
- Supported Countries for Digital Payments S-Z

Supported Locales

Reason Codes

Recent Revisions to This Document

24.08

Added the Unified Checkout Integration JavaScript Reference. See JavaScript Reference.

Added a note about transient token expiration. See Authorizations with a Transient Token.

24.07

This revision contains only editorial changes and no technical updates.

24.06

Added support for Apple Pay. See Enrolling in Apple Pay and Apple Pay UI.

24.05

This revision contains only editorial changes and no technical updates.

24.04

This revision contains only editorial changes and no technical updates.

24.03

Added an important note about structuring your integration. See Capture Context API and Payment Details API.

24.02

This guide has undergone a major reorganization.

Added the list of supported countries. See Supported Countries for Digital Payments.

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