PhishTank database is memcached from source https://www.phishtank.com/developer_info.php. Source may be used as part of a plain webservice or for subroutine. You shall obtain your token at https://www.phishtank.com/ If you use example REST service, then send just one parameter url as GET or POST request. In case of 200 response and success==true you must check boolean field phish. Project is in progress, to be more updates and documentation.