If the user has N payment handlers installed, where N is fewer than 5, crawl for 5-N more just-in-time installable payment handlers. If more payment method URLs can be crawled still, display are [Find More] button to let the user decide to continue crawling.
 

If the user has N payment handlers installed that can handle the current payment request, where N is fewer than 5, crawl for 5-N more just-in-time installable payment handlers. If more payment method URLs can be crawled still, display are [Find More] button to let the user decide to continue crawling.