API Overview

Acceptance Devices | PAX Acceptance Devices App Integration Guide
- Recent Revisions to This Document
- VISA Platform Connect: Specifications and Conditions for Resellers/Partners

Introduction to Acceptance Devices | PAX Acceptance Devices App

Supported Payment Terminals and Capabilities

Transaction Workflow for the PAX Acceptance Devices App

Getting Started with the Acceptance Devices App
- Set Up a PAX Terminal
- Load Paper in the PAX Terminal with an Integrated Printer
- Activating a Terminal in the Acceptance Devices App
  - Generate a Terminal Activation Code in the Business Center
  - Generate a Terminal Activation Code Using a REST API Request
    - Required Fields for Generating a Terminal Activation Code
    - REST Example: Generating a Terminal Activation Code
  - Enter an Activation Code in the Acceptance Devices App
- Getting Started with the Acceptance Devices App Server
  - Start the Acceptance Devices App Server
- Customizing the Acceptance Devices App
  - Customizable User Interface Parameters
  - Customizable Common Parameters
  - Customizable Local Mode Parameters
  - Customizable Standalone Mode Parameters
  - Customize Parameters in the Business Center
  - Retrieve Parameters Using a REST API Request
    - Required Fields to Retrieve Parameters Using a REST API Request
    - REST Example: Retrieve Parameters Using a REST API Request
  - Customize Parameters Using a REST API Request
    - Required Fields for Customizing Parameters Using a REST API Request
    - REST Example: Customizing Parameters Using a REST API Request

Local Mode Payment Services
- Communication Protocol Used in Local Mode
- Retrieving the Root CA Certificate
  - Retrieve the Root CA Certificate in the Business Center
  - Retrieve the Root CA Certificate Using a REST API Request
    - Required Fields to Retrieve the Root CA Certificate Using a REST API Request
    - REST Example: Retrieve the Root CA Certificate Using a REST API Request
- Activating a Secure mTLS Connection
  - Generate a POS Connection Code for the Point-of-Sale System
  - Request Certificates for the Point-of-Sale System
    - Required Fields to Request Certificates for the Point-of-Sale System
    - REST Example: Request Certificates for the Point-of-Sale System
- Implementing Hostname Validation in Local Mode
- Sale
  - Required Fields for a Sale
  - REST Example: Sale
- Refund
  - Required Fields for a Refund
  - Optional Fields for a Refund
  - REST Example: Refund
- Stand-Alone Credit
  - Required Fields for a Stand-Alone Credit
  - REST Example: Stand-Alone Credit
- Request a Check Transaction Status
  - Required Fields to Request a Check Transaction Status
  - REST Example: Request a Check Transaction Status
- Cancel Transaction
  - Required Fields to Cancel Transaction
  - REST Example: Cancel Transaction
- Sale with On-Reader Tipping
  - Required Fields for a Sale with On-Reader Tipping
  - REST Example: Sale with On-Reader Tipping
- Sale with On-Receipt Tipping
  - Required Fields for a Sale with On-Receipt Tipping
  - REST Example: Sale with On-Receipt Tipping
  - Tip Adjust
    - Required Fields for a Tip Adjust
    - REST Example: Tip Adjust
- Token Refund
  - Required Fields for a Token Refund
  - REST Example: Token Refund
- Pre-Authorization
  - Required Fields for a Pre-Authorization
  - REST Example: Pre-Authorization
- Incremental Authorization
  - Required Fields for an Incremental Authorization
  - REST Example: Incremental Authorization
- Capture
  - Required Fields for a Capture
  - Optional Fields for a Capture
  - REST Example: Capture
- Mail Order or Telephone Order
  - Required Fields for Mail Order or Telephone Order
  - Optional Fields for Mail Order or Telephone Order
  - REST Example: Mail Order or Telephone Order Sale
- Account Verification
  - Required Fields for an Account Verification
  - REST Example: Account Verification
- Offline Transactions
  - Enable or Disable Offline Mode in the Acceptance Device App
  - Enable or Disable Offline Mode Using a REST API Request
    - Required Fields to Enable or Disable Offline Mode Using a REST API Request
    - REST Example: Enable or Disable Offline Mode Using a REST API Request
  - Offline Sale
    - Required Fields for an Offline Sale
    - REST Example: Offline Sale
  - Offline Refund
  - Submit an Offline Transactions Batch for Authorization
- Cashback
  - Required Fields for a Cashback
  - REST Example: Cashback
- Sale with Installment Details
  - Required Fields for a Sale with Installment Details
  - Optional Fields for a Sale with Installment Details
  - REST Example: Sale with Installment Details
- Sale with Payment Facilitator Details
  - Required Fields for a Sale with Payment Facilitator Details
  - Optional Fields for a Sale with Payment Facilitator Details
  - REST Example: Sale with Payment Facilitator Details
- Sale with Tax Details
  - Required Fields for a Sale with Tax Details
  - Optional Fields for a Sale with Tax Details
  - REST Example: Sale with Tax Details
- Electronic Benefits Transfer
  - Required Fields for Electronic Benefits Transfer
  - Optional Fields for Electronic Benefits Transfer
  - REST Example: Electronic Benefits Transfer SNAP Sale
- Custom Card Read
  - Required Fields to Perform a Custom Card Read
  - REST Example: Custom Card Read
- Printing a Customer or Merchant Receipt
  - Required Fields to Print a Customer or Merchant Receipt
  - REST Example: Print a Customer or Merchant Receipt

Cloud Mode Payment Services
- Communication Protocol Used in Cloud Mode
- Generating a Bearer Token for Authentication
  - Generate a Bearer Token for Authentication
- Sale
  - Required Fields for a Sale
  - REST Example: Sale
- Refund
  - Required Fields for a Refund
  - Optional Fields for a Refund
  - REST Example: Refund
- Stand-Alone Credit
  - Required Fields for a Stand-Alone Credit
  - REST Example: Stand-Alone Credit
- Requesting a Check Transaction Status
  - Required Fields to Request a Check Transaction Status
  - REST Example: Request a Check Transaction Status
- Cancel Transaction
  - Required Fields to Cancel Transaction
  - REST Example: Cancel Transaction
- Sale with On-Reader Tipping
  - Required Fields for a Sale with On-Reader Tipping
  - REST Example: Sale with On-Reader Tipping
- Sale with On-Receipt Tipping
  - Required Fields for a Sale with On-Receipt Tipping
  - REST Example: Sale with On-Receipt Tipping
  - Tip Adjust
    - Required Fields for a Tip Adjust
    - REST Example: Tip Adjust
- Token Refund
  - Required Fields for a Token Refund
  - REST Example: Token Refund
- Pre-Authorization
  - Required Fields for a Pre-Authorization
  - REST Example: Pre-Authorization
- Incremental Authorization
  - Required Fields for an Incremental Authorization
  - REST Example: Incremental Authorization
- Capture
  - Required Fields for a Capture
  - Optional Fields for a Capture
  - REST Example: Capture
- Mail Order or Telephone Order
  - Required Fields for Mail Order or Telephone Order
  - Optional Fields for Mail Order or Telephone Order
  - REST Example: Mail Order or Telephone Order Sale
- Account Verification
  - Required Fields for an Account Verification
  - REST Example: Account Verification
- Cashback
  - Required Fields for a Cashback
  - REST Example: Cashback
- Sale with Installment Details
  - Required Fields for a Sale with Installment Details
  - Optional Fields for a Sale with Installment Details
  - REST Example: Sale with Installment Details
- Sale with Payment Facilitator Details
  - Required Fields for a Sale with Payment Facilitator Details
  - Optional Fields for a Sale with Payment Facilitator Details
  - REST Example: Sale with Payment Facilitator Details
- Sale with Tax Details
  - Required Fields for a Sale with Tax Details
  - Optional Fields for a Sale with Tax Details
  - REST Example: Sale with Tax Details
- Receiving Transaction Responses Asynchronously
  - Receive Transaction Responses Asynchronously
  - REST Example: Receive Transaction Responses Asynchronously
  - Check Transaction Events
    - Required Fields to Check Transaction Events
    - REST Example: Check Transaction Events
- Electronic Benefits Transfer
  - Required Fields for Electronic Benefits Transfer
  - Optional Fields for Electronic Benefits Transfer
  - REST Example: Electronic Benefits Transfer SNAP Sale
- Custom Card Read
  - Required Fields for a Custom Card Read
  - REST Example: Custom Card Read
- Printing a Customer or Merchant Receipt
  - Required Fields to Print a Customer or Merchant Receipt
  - REST Example: Print a Customer or Merchant Receipt

Standalone Mode Payment Services
- Enable Standalone Mode in the Acceptance Devices App
- Sale
- Refund
- Stand-Alone Credit
- Sale with On-Reader Tipping
- Pre-Authorization
- Capture
- Mail Order or Telephone Order Sale
- Account Verification
- Offline Transactions
  - Enable or Disable Offline Mode
  - Offline Sale
  - Offline Refund
  - Submit an Offline Transactions Batch for Authorization
- Sale with Installment Details
- Sale with Tax Details
- Print a Customer or Merchant Receipt
- Email a Customer Receipt

Release Notes for PAX Acceptance Devices App
- Acceptance Devices App Version 1.18.0 Release Notes
  - New Features
  - Improvements
  - Fixed Issues
- Acceptance Devices App Version 1.17.0 Release Notes
  - New Features
  - Improvements
  - Fixed Issues
- Acceptance Devices App Version 1.16.0 Release Notes
  - Improvements
  - Fixed Issues
- Acceptance Devices App Version 1.15.0 Release Notes
  - New Features
  - Improvements
  - Fixed Issues
- Archive of Release Notes
  - Acceptance Devices App Version 1.14.0 Release Notes
    - New Features
    - Improvements
  - Acceptance Devices App Version 1.13.0 Release Notes
    - Improvements
  - Acceptance Devices App Version 1.12.0 Release Notes
    - Improvements
  - Acceptance Devices App Version 1.11.0 Release Notes
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.10.0 Release Notes
    - New Features
    - Improvements
  - Acceptance Devices App Version 1.9.0 Release Notes
    - New Features
    - Improvements
  - Acceptance Devices App Version 1.8.0 Release Notes
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.7.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.6.0 Release Notes
    - Improvements
  - Acceptance Devices App Version 1.5.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.4.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.3.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.2.0 Release Notes
    - Improvements
    - Fixed Issues
  - Acceptance Devices App Version 1.1.0 Release Notes
    - New Features

On This Page

Refund

Use the information in this section to process a refund when the app is in Local Mode mode. This type of refund includes a reference to the original transaction for a full or partial transaction amount. Stand-alone credits are also supported in this Acceptance Devices solution. For more information, see Stand-Alone Credit.

Endpoints

The endpoint is the same for the test and production environments.

Test:

wss://{terminal IP address:port number}/

Production:

wss://{terminal IP address:port number}/

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