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. API username will require both “API Access” and “API Updating” permissions. Instructions for creating API-only usernames can be reviewed at the following URL: http://help.2checkout.com/articles/FAQ/How-to-create-an-API-only-Username
  6. Disable the “Add Funds” option. Navigate to Setup > General Settings > Credit and un-tick the “Enable” box.

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 or Direct return
  4. Set the Approved URL to http://www.yourdomain.com/whmcs/modules/gateways/callback/2checkout.php (Replace http://yourdomain.com with the actual URL to your domain)
  5. Enter your Secret Word (Must be the same value entered in your WHMCS admin)
  6. Click Save Changes
  7. Click the Notifications tab
  8. Enable the all messages
  9. Enter http://www.yourdomain.com/whmcs/modules/gateways/callback/tco.php as the global URL and apply (Replace http://yourdomain.com with the actual URL to your domain)
  10. Save your changes

For more information visit: WHMCS.com

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