Steps to complete:

  1. Log in to your PayPal account.
  2. Click “Profile » My Selling Tools” on the “My Account” tab.
  3. Find “Instant payment notifications” option in the list of tools and click “Update”.
  4. To start receiving IPN messages and to decide where to send them, click the “Choose IPN Settings” button.
  5. Specify the URL for your listener in the Notification URL field, for example:
  6. Click “Receive IPN messages (Enabled)” option to enable your listener.
  7. Click Save.