Enterprise Level Payment Processing Gateway

C9 Payment API Integration​

From Developers to Developers… We Make It Easy

Payment Gateway Documentation

Table of Contents

Introduction

If you are familiar with JSON, we recommend that you jump directly to our JSON Swagger style OpenAPI sandbox.

Otherwise, please choose from a list below. Don’t see what you are looking for? Contact us and we will help you out.

Integration Platforms

RESTFul JSON API (RECOMMENDED)

HTML Javascript (Web Page Integration)

C/C#

iOS

Android

Developer Guide

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