I sent through some bitcoins to them and the transaction has been confirmed on blockchain a lot of times but they didnt transfer the bitcoin to Hashflare.io .Those 2 companies seem to be very doubtful.Two days they didnt answer to my question
There was an issue with cryptopay but it was then fixed but you can send directly a PM to
https://bitcointalk.org/index.php?action=profile;u=383146 they will respond to you shortly.