Here’s how you can program Telegram bots to request phone numbers from users, along with best practices and considerations:
Programming Telegram bots to request phone numbers from users is a common requirement for various services like user verification, account linking, or order fulfillment. Telegram’s Bot API provides a straightforward and privacy-respecting way to do this: through a special keyboard button that explicitly requests the user’s contact information.
Here’s a breakdown of how to implement this, along with best practices:
The Telegram Bot API provides a KeyboardButton object that, when set with request_contact=True, triggers a native Telegram prompt on the user’s side asking for consent to share their phone number.
Key characteristics:
Explicit Consent: The user must telegram number database explicitly tap the button and then confirm sharing their number through a Telegram-generated pop-up.
Private Chats Only:
This feature only works in what does this mean for customers? private chats between the user and the bot. It will not work in group chats or channels.
One-Time Share: The button facilitates a one-time sharing of the contact. The bot does not gain persistent access to the user’s phone number book your list without the user initiating! another share. If your bot needs to store the number for future use, you must save it on your server.
2. Steps to Program a Bot for Phone Number Requests.