Merchant API

1. Introduction

1.1 Pre-requisite

1.2 Transaction Flow Diagram

1.3 Pages Preview

1.4 Sample Merchant Checkout Page

1.5 CardBiz Payment Page with Saved Credit Card

1.6 CardBiz Payment Page without Saved Credit Card

1.7 Sample Merchant Received Payment

2. Merchant Integration

2.1 URL

2.2 Security Control

2.2.1 Hash Signature

2.2.2 Signature Calculation

2.3 HTTP Methods

2.4 Code Table

2.4.1 Status Code

2.4.2 Payment Status Code

3. Payment APIs

3.1 Payment

3.1.1 Request

3.1.2 Response

3.2 Payment Enquiry

3.2.1 Request

3.2.2 Reponse

3.3 Void Payment

3.3.1 Request

3.3.2 Reponse

3.4 Void Payment Enquiry

3.4.1 Request

3.4.2 Reponse

3.5 Refund Payment

3.5.1 Request

3.5.2 Reponse

3.6 Refund Status Enquiry

3.6.1 Request

3.6.2 Reponse

3.7 MDR Enquiry

3.7.1 Request

3.7.2 Reponse

Guide

/

Developer

/

Merchant API

3.6 Refund Status Enquiry

This is a message allows merchant to enquire the refund status when there is no response from the server after a period of time, encounter internet connection problem and some other problems.

Quick and Secure Online Payment Gateway

About Us

Features

Digital Payments

Partner With Us

Team Up With Us

Resources

Terms & Conditions

> Privacy Policy

Channel

Guide

Reach Us

Certified

Level 1

Copyright © 2026 CardBizPay. All rights reserved.

Powered By CARDBIZPAY