Open Payment API

1. Introduction

1.1 Pre-requisite of Merchant Integration

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 Add Card

3.1.1 Request

3.1.2 Response

3.2 Remove Card

3.2.1 Request

3.2.2 Response

3.3 Sale

3.3.1 Request

3.3.2 Response

3.4 Pre-Authorization

3.4.1 Request

3.4.2 Response

3.5 Capture PreAuth

3.5.1 Request

3.5.2 Response

3.6 Pre-Auth Cancellation

3.6.1 Request

3.6.2 Response

3.7 Void

3.7.1 Request

3.7.2 Response

3.8 Refund

3.8.1 Request

3.8.2 Response

3.9 Transaction Enquiry

3.9.1 Request

3.9.2 Response

Guide

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Developer

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Open Payment API

3.3 Sale

This API is used to charge a payment amount to credit card instantly. It combined the authorization and capture process in one transaction.

Cardholder has to complete a successful One-Time Password (OTP) authentication to complete the payment process.

Quick and Secure Online Payment Gateway

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