Regarding PayPal documents, you can skip the order confirmation page and pay the PayPal customer. To do this, the " useraction " parameter must be set to " commit ". How can this be done using the ActiveMerchants setup_purchase method?
PayPal - setting up express check
Got it. Just set the browse parameter to the redirect_url_for method to false. Example:
EXPRESS_GATEWAY.redirect_url_for(response.token, review: false)