Recent Revisions to This Document

About This Guide

Introduction to Acceptance Devices | PAX Semi-Integrated Solution

Terminals Supported by the PAX Semi-Integrated Solution

Transaction Workflow for the PAX Semi-Integrated Solution

Getting Started with the PAX Semi-Integrated Solution
- Setting Up the PAX Terminal
- Loading Printer Paper in a PAX Terminal with an Integrated Printer
- Activating a Terminal in the Acceptance Devices App
  - Generating a Terminal Activation Code in the Business Center
  - Generating a Terminal Activation Code Using a REST API Request
    - Required Fields for Generating a Terminal Activation Code
    - REST Example: Generating a Terminal Activation Code
  - Entering an Activation Code in the Acceptance Devices App
- Getting Started with the Acceptance Devices App Server
  - Starting the Acceptance Devices App Server
- Customizing the Acceptance Devices App
  - Customizable Common Parameters in the Acceptance Devices App
  - Customizable Semi-Integrated Mode Parameters in the Acceptance Devices App
  - Customizable Standalone Mode Parameters in the Acceptance Devices App
  - Customizing Parameters in the Business Center
  - Retrieving Parameters Using a REST API Request
    - Required Fields for Retrieving Parameters Using a REST API Request
    - REST Example: Retrieving Parameters Using a REST API Request
  - Customizing 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

Performing Payment Transactions Using Semi-Integrated Mode
- Communication Protocol Between the Acceptance Devices App and POS System in Semi-Integrated Mode
- Retrieving the Root CA Certificate
  - Retrieving the Root CA Certificate Using a REST API Request
    - Required Fields for Retrieving the Root CA Certificate Using a REST API Request
    - REST Example: Retrieving the Root CA Certificate Using a REST API Request
- Activating a Secure mTLS Connection in the Acceptance Devices App
  - Generating a POS Connection Code for the Point-of-Sale System in the Acceptance Devices App
  - Requesting Certificates for the Point-of-Sale System
    - Required Fields for Requesting Certificates for the Point-of-Sale System
    - REST Example: Requesting Certificates for the Point-of-Sale System
- Implementing Hostname Validation
- Performing a Sale
  - Required Fields for Performing a Sale
  - REST Example: Performing a Sale
- Performing a Linked Refund
  - Required Fields for Performing a Linked Refund
  - Optional Fields for Performing a Linked Refund
  - REST Example: Performing a Linked Refund
- Performing a Standalone Credit
  - Required Fields for Performing a Standalone Credit
  - REST Example: Performing a Standalone Credit
- Performing a Check Transaction Status
  - Required Fields for Performing a Check Transaction Status
  - REST Example: Performing a Check Transaction Status
- Performing a Cancel Transaction
  - Required Fields for Performing a Cancel Transaction
  - REST Example: Performing a Cancel Transaction
- Performing a Sale with On-Reader Tipping
  - Required Fields for Performing a Sale with On-Reader Tipping
  - REST Example: Performing a Sale with On-Reader Tipping
- Performing a Sale with On-Receipt Tipping
  - Required Fields for Performing a Sale with On-Receipt Tipping
  - REST Example: Performing a Sale with On-Receipt Tipping
  - Performing a Tip Adjust
    - Required Fields for Performing a Tip Adjust
    - REST Example: Performing a Tip Adjust
- Performing a Token Refund
  - Required Fields for Performing a Token Refund
  - REST Example: Performing a Token Refund
- Performing a Pre-Authorization
  - Required Fields for Performing a Pre-Authorization
  - REST Example: Performing a Pre-Authorization
- Performing an Incremental Authorization
  - Required Fields for Performing an Incremental Authorization
  - REST Example: Performing an Incremental Authorization
- Performing a Capture
  - Required Fields for Performing a Capture
  - Optional Fields for Performing a Capture
  - REST Example: Performing a Capture
- Performing a Mail Order or Telephone Order Sale
  - Required Fields for Performing a Mail Order or Telephone Order Sale
  - REST Example: Performing a Mail Order or Telephone Order Sale
- Performing a Mail Order or Telephone Order Pre-Authorization
  - Required Fields for Performing a Mail Order or Telephone Order Pre-Authorization
  - REST Example: Performing a Mail Order or Telephone Order Pre-Authorization
- Performing a Mail Order or Telephone Order Account Verification
  - Required Fields for Performing a Mail Order or Telephone Order Account Verification
  - REST Example: Performing a Mail Order or Telephone Order Account Verification
- Performing an Account Verification
  - Required Fields for Performing an Account Verification
  - REST Example: Performing an Account Verification
- Performing Offline Transactions
  - Enabling Offline Mode to Perform an Offline Sale or Refund
  - Submitting an Offline Transactions Batch for Authorization
  - Disabling Offline Mode for Offline Sale or Refund
- Performing a Cashback
  - Required Fields for Performing a Cashback
  - REST Example: Performing a Cashback
- Printing a Customer or Merchant Receipt

Performing Payment Transactions Using Standalone Mode
- Enabling Standalone Mode in the Acceptance Devices App

Performing Payment Transactions Using Cloud Mode
- Communication Protocol Between the Acceptance Devices App and POS System in Cloud Mode
- Generating a Bearer Token for Authentication Using a REST API Request
  - Obtaining a Merchant ID and Secret Key
    - Obtaining a Merchant ID and Secret Key from the Business Center
    - Obtaining a Merchant ID and Secret Key Using a REST API Request
      - Required Field for Obtaining a Merchant ID and Secret Key Using a REST API Request
      - REST Example: Obtaining a Merchant ID and Secret Key Using a REST API Request
  - Generating a Bearer Token for Authentication Using a REST API Request
    - Required Field for Generating a Bearer Token for Authentication Using a REST API Request
    - REST Example: Generating a Bearer Token for Authentication Using a REST API Request
- Performing a Sale
  - Required Fields for Performing a Sale
  - REST Example: Performing a Sale
- Performing a Linked Refund
  - Required Fields for Performing a Linked Refund
  - Optional Fields for Performing a Linked Refund
  - REST Example: Performing a Linked Refund
- Performing a Standalone Credit
  - Required Fields for Performing a Standalone Credit
  - REST Example: Performing a Standalone Credit
- Performing a Check Transaction Status
  - Required Fields for Performing a Check Transaction Status
  - REST Example: Performing a Check Transaction Status
- Performing a Cancel Transaction
  - Required Fields for Performing a Cancel Transaction
  - REST Example: Performing a Cancel Transaction

Release Notes for PAX Semi-Integrated Solution
- 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

VISA Platform Connect: Specifications and Conditions for Resellers/Partners

On This Page

REST API

About This Guide

This section describes how to use this guide and where to find further information.

Audience and Purpose

This guide is written for partner developers, system architects, and independent software vendors (ISVs) who wish to integrate their point-of-sale system with PAX terminals in a semi-integrated manner.

Implementing the PAX Semi-Integrated Solution requires software development skills. You must write code that uses the API request and response fields to integrate the solution into your point-of-sale system.

Conventions

These statements appear in this document:

IMPORTANT

An Important
statement contains information essential to successfully completing a task or learning a concept.

WARNING

A Warning
contains information or instructions, which, if not heeded, can result in a security risk, irreversible loss of data, or significant cost in time or revenue or both.

Support

For support information about any service, visit the Support Center:

https://developer.visaacceptance.com/support/contact-us.html

Back to top