Skip to main content

Integrate WP-Invoice with 2Checkout


WP-Invoice integration is available only for 2Checkout accounts that handle their own tax and invoice management. Contact 2Checkout for additional information.

WP e-Commerce Settings:

  1. Download or clone the 2Checkout payment module at
  2. Upload the files under the “wp-invoice” directory to “/wp-content/plugins/wp-invoice” on your web server.
  3. In your WordPress admin select Invoice -> Settings to open your WP Invoice settings.
  4. Under Payment select 2Checkout.
  5. Enter Display Name. Example: Credit Card (Visa, MasterCard, American Express, Discover, JCB, Diners Club, PIN Debit) and PayPal
  6. Enter your 2Checkout Merchant Code.
  7. Enter your 2Checkout Secret Word. (Must be the same value entered on your 2Checkout Ordering options subcategory)
  8. For demo sales set Demo Mode to Yes. For live sales keep Demo Mode at No.
  9. Under Direct Checkout select Yes.
  10. Copy the URL provided under “2Checkout Approved URL/INS URL”.
  11. Click Save All Settings.

2Checkout Settings:

  1. Sign in to your 2Checkout account.
  2. Click on Setup tab and Ordering options subcategory.
  3. Under Return Method select Header Redirect or Link in the Thank You Page
  4. Enter your Secret Word. (Must be the same value entered in your WP Invoice settings.)
  5. Paste the URL you copied from the 2Checkout Approved URL/INS URL field in the Approved URL field.
  6. Click Save Changes.
  7. Go to Settings > System settings. Click on INS Settings, paste the URL you copied from the 2Checkout Approved URL/INS URL field and enable all triggers .
  8. Click Save Changes.

About WP-Invoice


WP-Invoice lets WordPress blog owners send itemized invoices to their clients. Ideal for web developers, SEO consultants, general contractors, or anyone with a WordPress blog and clients to bill. The plugin ties into WP’s user management database to keep track of your clients and their information.

For more information visit: