Telegram Phone Number Checker
Command line tool for checking if phone numbers are connected to Telegram accounts and retrieving related information where available.
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Command line tool for checking if phone numbers are connected to Telegram accounts and retrieving related information where available.
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The Telegram Phone Number Checker is a Python-based command line tool that takes phone numbers and uses the Telegram API to find information about the number. It does this by trying to add the number as a contact on your Telegram account.
When investigating a phone number of interest, this tool may help a user find more information about the owner of the phone number. If adding the contact is successful, the tool extracts public information that could include the account username, first name, last name, profile photo, and when they were last online.
If adding the contact fails, it could be that the person is not on Telegram or has disabled contact adding in their Telegram privacy settings.
A Telegram developer account and API key.
Basic to intermediate experience with the Python programming language.
The tool can lead to your Telegram account being blocked, which seems more likely if you use the tool for large numbers of phone numbers or if you use a VPN (that could be associated with spam activity). To mitigate this risk, it is recommended to avoid using your personal account with this tool.
It is possible to gain access to people's names and images using this tool, and should be used as part of tightly scoped investigations. Users should be careful not to dox people they are investigating when sharing their findings.
Galen Reich
Afton
Bellingcat article: , Miguel Ramalho
, Netherlands