VUK 507 Services

Overview

VUK 507 services cover standard transactions performed via physical POS devices, including sales, refunds, voids, and end-of-day operations.

This structure operates independently of e-invoice processes and is based on the traditional POS payment flow.

Scope

The following operations are covered in this section:

• Payment (Sale)

• Refund

• Void

• Transaction Query

• Refundable Transaction Information

• Partial Payment

• End of Day

Authentication

OAuth2-based authentication is used for all service calls.

Authorization: Bearer {access_token} Content-Type: application/json

Note: The access token is obtained during the Login step and is mandatory for all service requests.

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