1. Download the 2Checkout payment module from https://github.com/craigchristenson/opencart-2checkout-api
2. Upload the files to your OpenCart directory.
3. Sign in to your OpenCart admin.
4. Click Extensions tab and Payments subtab.
5. Under 2Checkout click Install and then click Edit.
6. Enter your 2Checkout Account ID. (2Checkout Account Number)
7. Enter your Public Key. (2Checkout Publishable Key)
8. Enter your Private Key. (2Checkout Private Key)
9. Select No under Sandbox Mode. (Unless you are tesing in the 2Checkout Sandbox)
10. Select Complete under Order Status.
11. Select Enabled under Status.
12. Save your changes.

1. Sign in to your OpenCart admin.
2. Click Extensions tab and Payments subtab.
3. Under 2Checkout PayPal Direct click Install and then click Edit.
4. Enter your 2Checkout Account ID. (2Checkout Account Number)
5. Select Complete under Order Status.
6. Select Enabled under Status.
7. Enter your Secret Word (Must be the same value entered on your 2Checkout Site Management page.)
8. Save your changes.

1. Sign in to your 2Checkout account.
2. Click the Account tab and Site Management subcategory.
3. Under Direct Return select Header Redirect or Given links back to my website.
4. Enter your Secret Word.(Must be the same value entered in your OpenCart admin.)
5. Set the Approved URL to http://www.yourstore.com/index.php?route=payment/twocheckout/callback (Replace http://www.yourstore.com with the actual URL to your store.)
6. Click Save Changes.

Please feel free to contact 2Checkout directly with any integration questions.