Coding Blockchain valid email checker

Hello mates i want to start a project about a too,l a script where you put a mailist and it shows wich email has valid blockchain account and wich dont have. I already used one that shows wich one has valid netflix account and not now i need one that works with blockchain. Please only serious people taht are able to complete the job applly i know blockchain uses wallet id to login not email you will have to code it different way Samples: this script will use api key i guess to have an idea how it works check this is a video of a netflix email valid checker [login to view URL] (i'm not the owner of this video it is just for freelancer to understand the project) You will find attached an example of netflix valid email checker but it is not working anymore but it will give you an idea about the project