Usernames.ย Create a username in Settings to let other usersย searchย for your profile โย without sharing your phone number.
Usernames give you aย uniqueย t.meย linkย to your profile that you can post or share anywhere.
If you prefer not to have a username, you can go toย Settings > Privacy and Security > Phone Numberย to share aย t.meย link to your profile that uses yourย phone number.