Check if a username is free and can be assigned to a channel/supergroup

boolFalse#bc799737 = Bool;
boolTrue#997275b5 = Bool;
channels.checkUsername#10e6bd2c channel:InputChannel username:string = Bool;


Name Type Description
channel InputChannel The channel/supergroup that will assigned the specified username
username string The username to check



Possible errors

Code Type Description
400 CHANNELS_ADMIN_PUBLIC_TOO_MUCH You're admin of too many public channels, make some channels private to change the username of this channel
400 CHANNEL_INVALID The provided channel is invalid
400 CHAT_ID_INVALID The provided chat id is invalid
400 USERNAME_INVALID The provided username is not valid

Related pages


How to handle channels, supergroups, groups, and what's the difference between them.