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

Terminals Supported by the PAX Acceptance Devices App

Transaction Workflow for the PAX Acceptance Devices App

Getting Started with the Acceptance Devices App
- Setting Up a PAX Terminal
- Loading Printer Paper in a PAX Terminal with an Integrated Printer
- Activating a Terminal in the Acceptance Devices App
- Getting Started with the Acceptance Devices App Server
- Customizing the Acceptance Devices App

Local Mode Payment Services
- Communication Protocol Used in Local Mode
- Retrieving the Root CA Certificate
- Activating a Secure mTLS Connection
- Implementing Hostname Validation
- Processing a Sale
- Processing a Refund
- Processing a Stand-Alone Credit
- Requesting a Check Transaction Status
- Processing a Cancel Transaction
- Processing a Sale with On-Reader Tipping
- Processing a Sale with On-Receipt Tipping
- Processing a Tip Adjust
- Processing a Token Refund
- Processing a Pre-Authorization
- Processing an Incremental Authorization
- Processing a Capture
- Processing a Mail Order or Telephone Order Sale
- Processing a Mail Order or Telephone Order Pre-Authorization
- Processing a Mail Order or Telephone Order Account Verification
- Processing an Account Verification
- Processing an Offline Transaction
- Processing a Cashback
- Processing a Sale with Installment Details
- Processing a Sale with Payment Facilitator Details
- Processing a Sale with Tax Details
- Printing a Customer or Merchant Receipt

Cloud Mode Payment Services
- Communication Protocol Used in Cloud Mode
- Generating a Bearer Token for Authentication
- Processing a Sale
- Processing a Refund
- Processing a Stand-Alone Credit
- Requesting a Check Transaction Status
- Processing a Cancel Transaction
- Processing a Sale with On-Reader Tipping
- Processing a Sale with On-Receipt Tipping
- Processing a Tip Adjust
- Processing a Token Refund
- Processing a Pre-Authorization
- Processing an Incremental Authorization
- Processing a Capture
- Processing a Mail Order or Telephone Order Sale
- Processing a Mail Order or Telephone Order Pre-Authorization
- Processing a Mail Order or Telephone Order Account Verification
- Processing an Account Verification
- Processing a Cashback
- Processing a Sale with Installment Details
- Processing a Sale with Payment Facilitator Details
- Processing a Sale with Tax Details
- Printing a Customer or Merchant Receipt
- Receiving Transaction Responses Asynchronously

Standalone Mode Payment Services
- Enabling Standalone Mode in the Acceptance Devices App
- Processing a Sale
- Processing a Refund
- Processing a Stand-Alone Credit
- Processing a Sale with On-Reader Tipping
- Processing a Pre-Authorization
- Processing a Capture
- Processing a Mail Order or Telephone Order Sale
- Processing an Account Verification
- Processing an Offline Transaction
- Processing a Sale with Installment Details
- Processing a Sale with Tax Details
- Printing a Customer or Merchant Receipt
- Emailing a Customer Receipt

Release Notes for PAX Acceptance Devices App
- Acceptance Devices App Version 1.12.0 Release Notes
- Acceptance Devices App Version 1.11.0 Release Notes
- Acceptance Devices App Version 1.10.0 Release Notes
- Acceptance Devices App Version 1.9.0 Release Notes
- Archive of Release Notes

Processing an Offline Refund

Follow these steps to process an offline refund with Offline mode enabled:

In the Acceptance Devices app, tap

Settings

.

Enter your Acceptance Devices app passcode.

Tap

Offline Mode

.

Tap the transaction you want to refund.

Tap

Refund

.

Enter the transaction amount.

Tap

Refund

to start the transaction.