Integrate WHMCS and Authorize.net
Trexle connects WHMCS to Authorize.net and 100+ other payment gateways using a single plugin for one time annual fee
Authorize.net and WHMCS 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.
How to install Trexle extension to WHMCS
- Download Trexle extension from Trexle- WHMCS Github repository or from WHMCS Marketplace.
- Use your cPanel file manager or ftp to upload the downloaded extension to the modules/addons folder of your WHMCS installation
- Go to your WHMCS admin panel Addons section
- Click on Your Addons link in the left menu, and you will see your newly uploaded Trexle extension .
- Click on the Activate link to the right side of the newly uploaded Trexle addon
You have successfully added Trexle extension to your WHMCS.
Create a test product, logout from your admin session and test the checkout as a regular customer.
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 WHMCS 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 WHMCS
WHMCS is the leading web hosting management and billing software that automates all aspects of your business from billing, provisioning, domain reselling, support, and more. WHMCS easily integrates with all the leading control panels, payment processors, domain registrars and cloud service providers.