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

Introduction to Acceptance Devices | PAX All-in-One Android Solution

Payment Terminals Supported by the PAX All-in-One Android Solution

Transaction Workflow for the PAX All-in-One Android Solution

Getting Started with the PAX All-in-One Android Solution
- Configuring the PAX All-in-One Android SDK
  - Configure the Project settings.gradle File
  - Configure the Project build.gradle File
  - Configure the Module build.gradle File
  - Update the AndroidManifest.xml File
  - Configure ProGuard Rules to Enable Obfuscation
- Generating a Secret Key for an Existing Merchant ID
  - Generate a Secret Key for an Existing Merchant ID in the Business Center
  - Generate a Secret Key for an Existing Merchant ID Using a REST API Request
    - Required Fields for Generating a Secret Key for an Existing Merchant ID Using a REST API Request
    - REST Example: Generating a Secret Key for an Existing Merchant ID Using a REST API Request
- Creating an mposUi Instance
  - Create an mposUI Instance
  - Configure an mposUI Instance
    - Create a UiConfiguration Instance
- Customizing the Default User Interface
  - Customize Style Elements Using a Theme
  - Customize Style Elements Using a UiConfiguration Instance
  - Enable Dark Mode in the Default User Interface
- Installing Your Application on Debug PAX Devices
  - Install an Android Application on Debug PAX Devices
- Making Your Application Available on Production PAX Devices
  - Submit Your Android Application in the Business Center

PAX All-in-One Payment Services
- Sale
- Refund
- Stand-Alone Credit
- Check Transaction Status
- Sale with On-Reader Tipping
- Sale with On-Receipt Tipping
  - Sale with On-Receipt Tipping
  - Tip Adjust
    - Tip Adjust
- Token Refund
- Pre-Authorization
- Incremental Authorization
- Capture
- Mail Order or Telephone Order
- Account Verification
- Offline Transactions
  - Perform an Offline Sale
  - Refund an Offline Sale Pending Submission
  - Request a Check Transaction Status for an Offline Sale Pending Submission
  - Retrieve a List of Offline Transactions Pending Submission
  - Submit an Offline Transactions Batch for Authorization
- Cashback
- Sale with Installment Details
- Sale with Payment Facilitator Details
- Sale with Tax Details
- Electronic Benefits Transfer
  - EBT SNAP and EBT Cash Transactions
- Custom Card Read
  - Custom Card Read
- Print a Customer or Merchant Receipt
- Email a Customer Receipt

Release Notes for PAX All-in-One Android Solution
- SDK Version 2.106.0 Release Notes
  - New Features
- SDK Version 2.105.0 Release Notes
  - Improvements
  - Fixed Issues
- SDK Version 2.104.0 Release Notes
  - Improvements
- SDK Version 2.103.1 Release Notes
  - Fixed Issues
- Archive of Release Notes
  - SDK Version 2.103.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - SDK Version 2.102.0 Release Notes
    - New Features
    - Improvements
  - SDK Version 2.101.1 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - SDK Version 2.100.0 Release Notes
    - Improvements
    - Fixed Issues
  - SDK Version 2.99.0 Release Notes
    - New Features
    - Improvements
  - SDK Version 2.98.0 Release Notes
    - Updated Requirements
    - New Features
    - Improvements
    - Fixed Issues
  - SDK Version 2.97.0 Release Notes
    - Improvements
  - SDK Version 2.96.0 Release Notes
    - Fixed Issues
  - SDK Version 2.95.0 Release Notes
    - Improvements
    - Fixed Issues
  - SDK Version 2.94.0 Release Notes
    - Fixed Issues
    - New Features
  - SDK Version 2.93.0 Release Notes
    - Improvements
    - Updated Requirements
    - Fixed Issues
  - SDK Version 2.92.0 Release Notes
    - Improvements
  - SDK Version 2.91.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - SDK Version 2.90.0 Release Notes
    - New Features
    - Improvements
    - Updated Requirements
    - Fixed Issues
    - General Information
  - SDK Version 2.89.0 Release Notes
    - Fixed Issues
    - Improvements
  - SDK Version 2.88.0 Release Notes
    - New Features
    - Improvements
  - SDK Version 2.87.0 Release Notes
    - General Information
    - Updated Requirements
    - Fixed Issues
  - SDK Version 2.86.0 Release Notes
    - Improvements
  - SDK Version 2.85.0 Release Notes
    - Improvements
    - Fixed Issues
  - SDK Version 2.84.0 Release Notes
    - Improvements
  - SDK Version 2.83.0 Release Notes
    - New Features
    - Improvements
    - Fixed Issues
  - SDK Version 2.82.0 Release Notes
    - New Features
    - Fixed Issues

On This Page

Offline Transactions

Use the information in this section to process offline sale or refund transactions when internet connectivity is unavailable.

Using offline transaction functionality involves risk. Because these transactions are not authorized in real time, you assume responsibility for potential issues such as failed transactions, increased fraud, and higher chargeback rates. Only use offline transactions when necessary such as during temporary internet outages. Whenever possible, it is recommended to process online sale transactions to ensure secure and immediate authorization. For more information, see Sale.

Review these considerations before performing offline transactions:

Contactless transactions are not supported for offline sales.

A terminal must have successfully processed at least one online transaction before it can perform offline transactions.

Offline transactions must be submitted for authorization once internet connectivity is restored. For more information, see Submit an Offline Transactions Batch for Authorization.

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