Integrate OpenCart and Authorize.net
Trexle connects OpenCart to Authorize.net and 100+ other payment gateways using a single plugin for one time annual fee
Authorize.net and OpenCart Integration Guide
To obtain the API Login ID and Transaction Key you need to log into the Merchant Interface. Click account from the main toolbar. Under Security Settings, click API Credentials & Keys as shown below.
Enter your Secret Answer and select New Transaction Key. Click Submit to continue. Your new Transaction Key is displayed.
Note: If the Disable Old Transaction Key Immediately box is not checked, the old Transaction Key will automatically expire in 24 hours. When the box is checked, the Transaction Key expires immediately.
Take the credentials you just obtained from Authorize.net and navigate to Trexle dashboard, click Payments Gateways and select Authorize.net from the drop down menu as shown below.
Fill into your Authorize.net credential and click Add Gateway. Click the Activate button next to Authorize.net, and it will give you a success message and the button will turn into green. You should see something like below.
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.
Use any expiration date after today’s date. If the card code is required, please use any 3-digit combination for Visa, Mastercard, Discover, Diners Club, EnRoute, and JCB; use a 4-digit combination for American Express.
| Test Card Brand | Number |
| American Express | 370000000000002 |
| Discover | 6011000000000012 |
| JCB | 3088000000000017 |
| Diners Club/ Carte Blanch | 38000000000006 |
| Visa | 4007000000027 |
| 4012888818888 | |
| 4111111111111111 | |
| MasterCard | 5424000000000015 |
| 2223000010309703 | |
| 2223000010309711 |
Authorize.net Supported Countries
Authorize.net Supported Payment Processing Actions
✔ Authorize
✔ Capture
✔ Void
✔ Credit
✔ Recurring
✔ Card Store
Key Features
About Trexle
Trexle is a powerful online recurring subscription billing platform that integrate Authorize.net and other +100 payment gateways with OpenCart and other dozen of e-commerce platforms.
About Authorize.net
Authorize.Net is a payment gateway service provider allowing merchants to accept credit card and electronic check payments through their Web site and over an IP connection.
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.