This is the transaction workflow for the PAX Acceptance Devices App.

Figure:

PAX Acceptance Devices App Transaction Workflow
PAX Acceptance Devices App transaction workflow showing the sequence of
                    events
The PAX Acceptance Devices App workflow typically includes this sequence of events:
  1. The point-of-sale (POS) system, running on Windows, Android, or iOS, integrates to the PAX Acceptance Devices App APIs.
  2. The merchant's POS system sends an API request, using the local Wi-Fi network or the cloud, to the Acceptance Devices app that is running on the PAX terminal.
  3. The Acceptance Devices app user interface shows on the PAX terminal screen and displays prompts to guide the customer through the payment flow.
  4. The Acceptance Devices app sends an API response to the POS system with the transaction result and details, which completes the transaction.