API Overview

Unified Checkout Developer Guide
- Recent Revisions to This Document

Introduction to Unified Checkout

Unified Checkout Flow
- Enabling Unified Checkout 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
  - JavaScript Example: Displaying the Button List
  - JavaScript Example: Client-Defined Trigger for Click to Pay or PAN Entry
  - JavaScript Example: Processing a Payment
- Complete Integration Examples
  - JavaScript Example: Setting Up with Full Sidebar
  - JavaScript Example: Setting Up with the Embedded Component

Transient Tokens
- Transient Token Format
  - Example: Transient Token Format
- Token Verification
- Dual-Branded Cards

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

Capture Context API
- Features
- Client Version History
- Requesting the Capture Context
  - Required Fields for Requesting the Capture Context
  - REST Example: Requesting the Capture Context
- Validating the Capture Context

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

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

Unified Checkout Configuration
- Webhooks Support
- Enable Digital Payments
  - Enrolling in Apple Pay
  - Preparing a Device for Testing Apple Pay on Unified Checkout
  - Enabling Click to Pay
    - Set Up Customer Authentication for Visa
  - Enrolling in Google Pay
  - Managing Google Pay Authentication Types
  - Enrolling in Echeck/ACH Services
  - Enrolling in Alternative Payment Methods
- Manage Permissions
  - Managing Permissions as a Direct Merchant
  - Managing Permissions as a Portfolio Administrator

Test Your Unified Checkout Configuration
- Test Payment Details
- Customer Authentication

Payment Methods
- Cards
- Online Bank Transfers
  - Opt in to iDeal on Unified Checkout
  - Opt in to Multibanco on Unified Checkout
  - Example: Verify Status for Online Bank Transfers
- Buy Now, Pay Later
  - Opt in to Afterpay on Unified Checkout
  - Captures
    - Required Fields for Capturing an Authorization
    - REST Example: Capturing an Authorization

Unified Checkout Appendix
- Unified Checkout 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
- Unified Checkout Integration Examples
  - Unified Checkout with Authorization
    - Example: Unified Checkout with Authorization
  - Unified Checkout with Sale
    - Example: Unified Checkout with Sale
  - Unified Checkout with Sale and Decision Manager
    - Example: Unified Checkout with Sale and Decision Manager
  - Unified Checkout without Service Orchestration
    - Example: Unified Checkout without Service Orchestration
  - Echeck Payment with a Transient Token
    - Example: Echeck Payment with a Transient Token
- 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

VISA Platform Connect: Specifications and Conditions for Resellers/Partners

On This Page

Payment Methods

This section describes the payment methods you can use in your Unified Checkout integration. After you successfully integrate one payment method, you can add another from the same category with minimal adjustments to your existing configuration.

These payment methods are available:

Online Bank Transfers

Buy Now, Pay Later

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