How to integrate WHMCS with 2Checkout
WHMCS Settings:
  • 1. Sign in to your WHMCS admin


  • 2. Navigate to the payment gateway configuration page and enable 2Checkout


  • 3. Enter your Seller ID (2Checkout Account Number)


  • 4. Enter your Secret Word (Must be the same value entered on your 2Checkout Site Management page.)


  • 5. Enter your API username and password (additional user that you setup in your 2Checkout account)

2Checkout Settings:
  • 1. Sign in to your 2Checkout account


  • 2. Click the Account tab and Site Management subcategory


  • 3. Under Direct Return select Given links back to my website




  • 5. Enter your Secret Word (Must be the same value entered in your WHMCS admin.)


  • 6. Click Save Changes


  • 7. Click the Account tab and User Management subcategory


  • 8. Click the Create Username link and create a new username with API Access and API Updating selected for the Access type


  • 9. Click the Notifications tab



  • 10. Enable the all messages




  • 12. Save your changes


For more information visit: WHMCS.com
Having trouble with these cart instructions? If you are having issues with these shopping cart instructions, or realize they are out of date, please email us at techsupport@2co.com and we will look into it for you.