validator

Hello I would like to buy a software/script to check whether or not phone numbers in a list have WhatsApp accounts or not, and filter out the ones that do not leaving me only with the ones that do. Or something similar but for amazon accounts. Preferably as a Php script that I can use simply as...

Hello I am looking to buy a WhatsApp or Amazon checker. Basically what it needs to do is check if the phone numbers in a long list are associated with an account from either of those places and filter out the ones that are not giving a new list. If anyone has this or can make this please hit me...

I need a custom program or software built to verify emails... There are many programs available, but none seem to be able to handle the bulk amount we need, or they do, but don't work properly. We need to easily be able to verify a minimum of 40,000 emails per hour. We can run it on a server if...