API Overview

Documentation Release Notes
- May 2026
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution
  - Card Present Connect | Electric Vehicle Charging
  - Card Present Connect | Lodging
  - Click to Pay Drop-In UI
  - Digital Accept Secure Integration
  - Paze
  - Recurring Billing
  - Unified Click to Pay
- April 2026
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Solution
  - Unified Checkout
  - Unified Click to Pay
- March 2026
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution
  - Acceptance Devices | Tap to Pay on iPhone Solution
  - Unified Checkout
  - Unified Click to Pay
- February 2026
  - Acceptance Devices | PAX A35 Terminal
  - Acceptance Devices | PAX A920 Terminal
  - Acceptance Devices | PAX A920 MAX Terminal
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | PAX IM30 Terminal
  - Acceptance Devices | Tap to Pay on Android Solution
  - Acceptance Devices | Tap to Pay on iPhone Solution
  - Card Present Connect | Electric Vehicle Charging
  - Credentialed Transactions
  - Getting Started with REST
  - Invoicing
  - Pay by Link
  - REST API Field Reference
  - Unified Click to Pay
- January 2026
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Solution
  - Acceptance Devices | Tap to Pay on iPhone Solution
  - Card Present Connect | Retail
  - Visa Currency Conversion
- December 2025
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution
  - Card Present Connect | Mass Transit
  - Click to Pay Drop-In UI
  - Digital Accept Secure Integration
  - Getting Started with REST
  - Unified Checkout
- November 2025
  - Acceptance Devices | PAX A35 Terminal
  - Acceptance Devices | PAX A77 Terminal
  - Acceptance Devices | PAX A920 Terminal
  - Acceptance Devices | PAX A920 MAX Terminal
  - Acceptance Devices | PAX A920 PRO Terminal
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | PAX IM30 Terminal
  - Acceptance Devices | Tap to Pay on Android Solution
  - Digital Accept Secure Integration
  - Getting Started with REST
  - Invoicing
  - Unified Checkout
- October 2025
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution
  - Click to Pay Drop-In UI
  - Digital Accept Secure Integration
  - Unified Checkout
  - Webhooks
- September 2025
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Solution
  - Card Present Connect | Retail
  - Click to Pay Drop-In UI
  - Getting Started with REST
  - Independent Software Vendors
  - Payments
  - Webhooks
- August 2025
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution
  - Digital Accept Secure Integration
  - Getting Started with REST
  - Independent Software Vendors
  - Unified Checkout
  - Webhooks
- July 2025
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution Integration Guide
  - Acceptance Devices | PAX Acceptance Devices App Integration Guide
  - Acceptance Devices | PAX All-in-One Android Solution Integration Guide
  - Independent Software Vendors
  - Payments
  - Token Management Service
- June 2025
  - Acceptance Devices | PAX All-in-One Android Solution
  - Acceptance Devices | PAX Acceptance Devices App
  - Acceptance Devices | Tap to Pay on Android Solution
  - Acceptance Devices | Tap to Pay on Android Acceptance Devices App
  - Card Present Connect | Lodging
  - Card Present Connect | Retail
  - Digital Accept Secure Integration
  - Independent Software Vendors
  - Invoicing

On This Page

Unified Click to Pay

26.05.01

Added information about testing your Click to Pay configuration. See Test Your Click to Pay Configuration.

Added information about boarding merchants for Unified Click to Pay . See Merchant Boarding for Portfolio Users.

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