Integrate OpenCart and Omise

Trexle connects OpenCart to Omise and 100+ other payment gateways using a single plugin for one time annual fee

Omise and OpenCart Integration Guide

To get your Omise integration credentials Public key and Secret key, login to your Omise dashboard .

Select the appropriate Dashboard. Test Dashboard is for Test mode and Live Dashboard is for Live mode. The set of keys you use determines whether actual money will be transferred or not. In other words, you should use your Live keys only on your production server.

On the left menu click on the Api>Keys section.

Copy the current keys or roll the new ones.

Take the credentials you just obtained from Omise and navigate to Trexle dashboard, click Payments Gateways and select Omise from the drop down menu as shown below.

Fill into your Omise credential and click Add Gateway. Click the Activate button next to Omise, and it will give you a success message and the button will turn into green. You should see something like below.

To integrate Omise and OpenCart you need Trexle API keys

Trexle extension can be installed to your OpenCart store in two ways:

1st method

Download Trexle – OpenCart extension from Trexle GitHub repository

Go to your OpenCart admin panel, navigate to Extensions -> Extension Installer.
Then click the blue Upload button and provide the route to the Trexle extension you’ve just downloaded.


Click the blue Continue button. If successful, you should get a green “Success: You have installed your extension!” message.

2nd method

Go to your OpenCart Admin panel and then open the Extensions menu. You will see OpenCart Marketplace


Enter ‘Trexle’ in the search field and click on the Trexle extension displayed in the search results.

Click on the ‘Download’ tab and then on the ‘Install’ button.

Wait for the progress bar to notify you of the successful installation of the Trexle extension.

Finally, create a test product, logout from your admin session and test the customer checkout.

These credit card numbers can be used in test mode.

Successful charge

  • Visa              4242424242424242
  • Visa              4111111111111111
  • MasterCard  5555555555554444
  • Mastercard  5454545454545454
  • JCB              3530111333300000
  • JCB              3566111111111113

Failed Charge

  • Visa              4111 1111 1116 0001
  • Mastercard  5555 5511 1113 0001
  • JCB              3530 1111 1111 0001

Omise Supported Countries

Omise Supported Payment Processing Actions

✔ Purchase
✔ Authorize
✔ Capture
✔ Void
✔ Credit
✔ Recurring
✔ Card Store

Key Features

Credit Card Vault: securely store your customers sensitive credit card data using tokens.
Instant PCI-DSS Compliance: your customers credit card data never touches your site or server.
Multiple Gateway Support: Connect your OpenCart site to 100+ payment gateway

About Trexle

Trexle is a powerful online recurring subscription billing platform that integrate Omise and other +100 payment gateways with OpenCart and other dozen of e-commerce platforms.

About Omise

Omise is a payment gateway for Thailand, Japan and Singapore; providing both online and offline payment solutions to merchants - from startups to large enterprises. Our powerful features include: acceptance of credit and debit cards from major card networks, internet banking, bill payment, Alipay, link payment, and multi-currency support.

About OpenCart

OpenCart is one of the most popular and reliable open source e-commerce platforms for online shops. It is known for an extensive number of features and user-friendly interface and is very convenient solution for shop owners who are lunching their online business for the first time.