I did do something similar to stacklead, but returning an xml document, as opposed to receiving an email. Not sure about the accuracy of stacklead against what I have done. You can check it at https://www.bankaccountchecker.com/apiSocial.php?email=alain... This is my own email address, so it should not be a problem. If you are using your own email address, please ensure that you are replacing @ by %40