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WHMCS Module for iyzico Payment Gateway
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WHMCS Module for iyzico Payment Gateway


With this module, you can easily connect your iyzico ( account with your WHMCS installation with in a minute. After a simple module installation process, your WHMCS will start to accept credit card payments by using iyzizco payment gateway API. The module supports both TRY and USD with 3D Secure. With this module, you can also refund your transactions via WHMCS interface.

  • TRY Support
  • USD Support
  • 3D Secure Support
  • Debit Card Payments Support
  • Refund via WHMCS
  • iyzico Order Form (Pop-Up) for invoice payments.

Note: You can test the module by creating a free iyzico sandbox account via


1- Upload the module files in to /modules/gateways with your favorite FTP software (We use and recommend Filezilla - It is free).
2- Login to your WHMCS Admin as a administrator and follow Setup > Payments > Payment Gateways
3- In the Payment Gateways page please select the "All Payment Gateways" tab and scroll & find & click iyzipay. The page reloads you into Manage Existing Gateways page which you can configure the payment gateways that you already wanted to use.
4- Scroll to Iyzipay module and enter your Iyzipay credentials such as API and Secret Keys.


If you want to change the order form's language you should open /modules/gateways/iyzipay/index.php and change the related line:
from: \Iyzipay\Model\Locale::EN
to: \Iyzipay\Model\Locale::TR


As you can figure out you will need an iyzico account to use this module. You can simply signup via or you may want to test it first. It is pretty easy too. You can create a sandbox account via in just a few minutes and run some tests.

Useful Links and Docs

Note: We're assuming that you know that what WHMCS is and what WHMCS is for. Iyzico Website (EN) Iyzico Website (TR) Iyzico Developer Portal Iyzico Sandbox The Web Tailor The Web Tailor Twitter Account The Web Tailor Facebook Page

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