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

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
  - Customizable Semi-Integrated Mode Parameters
  - Customizable Standalone Mode Parameters
  - 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

Processing Payment Transactions in Semi-Integrated Mode
- Communication Protocol Used in Semi-Integrated Mode
- Retrieving the Root CA Certificate
  - Retrieving the Root CA Certificate in the Business Center
  - 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
  - Generating a POS Connection Code for the Point-of-Sale System
  - 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
- Processing a Sale
  - Required Fields for Processing a Sale
  - REST Example: Processing a Sale
- Processing a Linked Refund
  - Required Fields for Processing a Linked Refund
  - Optional Fields for Processing a Linked Refund
  - REST Example: Processing a Linked Refund
- Processing a Stand-Alone Credit
  - Required Fields for Processing a Stand-Alone Credit
  - REST Example: Processing a Stand-Alone Credit
- Requesting a Check Transaction Status
  - Required Fields for Requesting a Check Transaction Status
  - REST Example: Requesting a Check Transaction Status
- Processing a Cancel Transaction
  - Required Fields for Processing a Cancel Transaction
  - REST Example: Processing a Cancel Transaction
- Processing a Sale with On-Reader Tipping
  - Required Fields for Processing a Sale with On-Reader Tipping
  - REST Example: Processing a Sale with On-Reader Tipping
- Processing a Sale with On-Receipt Tipping
  - Required Fields for Processing a Sale with On-Receipt Tipping
  - REST Example: Processing a Sale with On-Receipt Tipping
  - Processing a Tip Adjust
    - Required Fields for Processing a Tip Adjust
    - REST Example: Processing a Tip Adjust
- Processing a Token Refund
  - Required Fields for Processing a Token Refund
  - REST Example: Processing a Token Refund
- Processing a Pre-Authorization
  - Required Fields for Processing a Pre-Authorization
  - REST Example: Processing a Pre-Authorization
- Processing an Incremental Authorization
  - Required Fields for Processing an Incremental Authorization
  - REST Example: Processing an Incremental Authorization
- Processing a Capture
  - Required Fields for Processing a Capture
  - Optional Fields for Processing a Capture
  - REST Example: Processing a Capture
- Processing a Mail Order or Telephone Order Sale
  - Required Fields for Processing a Mail Order or Telephone Order Sale
  - REST Example: Processing a Mail Order or Telephone Order Sale
- Processing a Mail Order or Telephone Order Pre-Authorization
  - Required Fields for Processing a Mail Order or Telephone Order Pre-Authorization
  - REST Example: Processing a Mail Order or Telephone Order Pre-Authorization
- Processing a Mail Order or Telephone Order Account Verification
  - Required Fields for Processing a Mail Order or Telephone Order Account Verification
  - REST Example: Processing a Mail Order or Telephone Order Account Verification
- Processing an Account Verification
  - Required Fields for Processing an Account Verification
  - REST Example: Processing an Account Verification
- Processing an Offline Transaction
  - Enabling Offline Mode for Offline Sale or Refund Transactions
  - Submitting an Offline Transactions Batch for Authorization
  - Disabling Offline Mode for Offline Sale or Refund Transactions
- Processing a Cashback
  - Required Fields for Processing a Cashback
  - REST Example: Processing a Cashback
- Processing a Sale with Installment Details
  - Required Fields for Processing a Sale with Installment Details
  - Optional Fields for Processing a Sale with Installment Details
  - REST Example: Processing a Sale with Installment Details
- Processing a Sale with Payment Facilitator Details
  - Required Fields for Processing a Sale with Payment Facilitator Details
  - Optional Fields for Processing a Sale with Payment Facilitator Details
  - REST Example: Processing a Sale with Payment Facilitator Details
- Processing a Sale with Tax Details
  - Required Fields for Processing a Sale with Tax Details
  - Optional Fields for Processing a Sale with Tax Details
  - REST Example: Processing a Sale with Tax Details
- Generating a Customer or Merchant Receipt

Processing Payment Transactions in Standalone Mode
- Enabling Standalone Mode in the Acceptance Devices App

Processing Payment Transactions in Cloud Mode
- Communication Protocol Used in Cloud Mode
- 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
  - 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
- Processing a Sale
  - Required Fields for Processing a Sale
  - REST Example: Processing a Sale
- Processing a Linked Refund
  - Required Fields for Processing a Linked Refund
  - Optional Fields for Processing a Linked Refund
  - REST Example: Processing a Linked Refund
- Processing a Stand-Alone Credit
  - Required Fields for Processing a Stand-Alone Credit
  - REST Example: Processing a Stand-Alone Credit
- Requesting a Check Transaction Status
  - Required Fields for Requesting a Check Transaction Status
  - REST Example: Requesting a Check Transaction Status
- Processing a Cancel Transaction
  - Required Fields for Processing a Cancel Transaction
  - REST Example: Processing a Cancel Transaction
- Processing a Sale with On-Reader Tipping
  - Required Fields for Processing a Sale with On-Reader Tipping
  - REST Example: Processing a Sale with On-Reader Tipping
- Processing a Sale with On-Receipt Tipping
  - Required Fields for Processing a Sale with On-Receipt Tipping
  - REST Example: Processing a Sale with On-Receipt Tipping
  - Processing a Tip Adjust
    - Required Fields for Processing a Tip Adjust
    - REST Example: Processing a Tip Adjust
- Processing a Token Refund
  - Required Fields for Processing a Token Refund
  - REST Example: Processing a Token Refund
- Processing a Pre-Authorization
  - Required Fields for Processing a Pre-Authorization
  - REST Example: Processing a Pre-Authorization
- Processing an Incremental Authorization
  - Required Fields for Processing an Incremental Authorization
  - REST Example: Processing an Incremental Authorization
- Processing a Capture
  - Required Fields for Processing a Capture
  - Optional Fields for Processing a Capture
  - REST Example: Processing a Capture
- Processing a Mail Order or Telephone Order Sale
  - Required Fields for Processing a Mail Order or Telephone Order Sale
  - REST Example: Processing a Mail Order or Telephone Order Sale
- Processing a Mail Order or Telephone Order Pre-Authorization
  - Required Fields for Processing a Mail Order or Telephone Order Pre-Authorization
  - REST Example: Processing a Mail Order or Telephone Order Pre-Authorization
- Processing a Mail Order or Telephone Order Account Verification
  - Required Fields for Processing a Mail Order or Telephone Order Account Verification
  - REST Example: Processing a Mail Order or Telephone Order Account Verification
- Processing an Account Verification
  - Required Fields for Processing an Account Verification
  - REST Example: Processing an Account Verification
- Processing a Cashback
  - Required Fields for Processing a Cashback
  - REST Example: Processing a Cashback
- Processing a Sale with Installment Details
  - Required Fields for Processing a Sale with Installment Details
  - Optional Fields for Processing a Sale with Installment Details
  - REST Example: Processing a Sale with Installment Details
- Processing a Sale with Payment Facilitator Details
  - Required Fields for Processing a Sale with Payment Facilitator Details
  - Optional Fields for Processing a Sale with Payment Facilitator Details
  - REST Example: Processing a Sale with Payment Facilitator Details
- Processing a Sale with Tax Details
  - Required Fields for Processing a Sale with Tax Details
  - Optional Fields for Processing a Sale with Tax Details
  - REST Example: Processing a Sale with Tax Details
- Generating a Customer or Merchant Receipt
- Receiving Transaction Responses Asynchronously
  - Receiving Transaction Responses Asynchronously
  - REST Example: Processing a Sale Asynchronously
  - Processing a Check Transaction Events
    - Required Fields for Processing a Check Transaction Events
    - REST Example: Processing a Check Transaction Events

On This Page

REST API

Fixed Issues

Fixed the issue that caused the Acceptance Devices app to crash occasionally when starting a transaction from the background.

On the Enter Amount screen, fixed the issue that caused the Backspace key to not work properly for some keyboard settings.

On the PAX A35 terminal, fixed the issue that caused the green and red physical buttons to be ignored on the Passcode screen.

Fixed the issue that caused authentication to fail after reactivation when operating in Standalone mode.

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