Consider we have a list of mobile numbers : say +1514800... until +1519000...
The target of this project is to connect with telegram and check which of these numbers have account.
then store user profile as : number, profile image, last online date
any payment would be after proven functionality of software
bid only you are pro and have practical experience
demo is required.
if you have exist project, i can buy it for fair price
12 freelancers are bidding on average $396 for this job
I'm expert with telegram api i can show you some previews work if you want. I already mad a bot that register your number automatically and that scrap from other groups members and also add or meessage auto members