Yes, you will need to add the domain making these requests to the appropriate list in your Luminate Online configuration:
  1. Log in to Luminate Online as an administrator.
  2. Go to Setup | Site Options. Click the tab labeled "Open API Configuration."
  3. Click the link labeled "Edit AJAX proxy configuration."
  4. Add your domain to the "AJAX Proxy Allowed Domains."
  5. Click "Save" and then click "Finish."