account.updateUsername

account.updateUsername

No description provided by the pinned schema.

Signature

account.updateUsername#3e0bdd7c username:string = User;

Result type

User

Parameters

Name	Type	Flag	Default	Description
username	string	—	—	No description provided by the pinned schema.

Python binding

from miniproto.raw.functions import AccountUpdateUsername

Public access: miniproto.raw.functions.AccountUpdateUsername.

Safe usage shape

from miniproto.raw.functions import AccountUpdateUsername

# Naming the raw request class is local only; it performs no I/O or network request.
request_type = AccountUpdateUsername

Result family

User

RPC errors

Code	Error	Description
400	USERNAME_INVALID	The provided username is not valid.
400	USERNAME_NOT_MODIFIED	The username was not modified.
400	USERNAME_OCCUPIED	The provided username is already occupied.
400	USERNAME_PURCHASE_AVAILABLE	The specified username can be purchased on https://fragment.com.
401	AUTH_KEY_UNREGISTERED	The specified authorization key is not registered in the system (for example, a PFS temporary key has expired).

Accepted types

No non-primitive type relationships were found.

Returned types

User Known selected constructors: user, userEmpty

Related methods

account.changePhone, account.updateProfile, bots.createBot, bots.getAdminedBots, channels.getMessageAuthor, contacts.importContactToken, messages.getFutureChatCreatorAfterLeave, users.getUsers

Availability evidence

• user only

Provenance

• layer: 228
• structural source: tdlib
• canonical schema: https://raw.githubusercontent.com/tdlib/td/refs/heads/master/td/generate/scheme/telegram_api.tl
• prose merge precedence: TDLib → Telegram Desktop → Core JSON
• source note: Canonical structure is the pinned TDLib telegram_api.tl; Layer 228 comes only from the matching Telegram Desktop end-of-file marker; core.telegram.org inputs enrich documentation and RPC error metadata without overriding structure.

Source-diff notes

• tdlib_vs_core: changed_count=68; core_only_count=1; overlap_count=2302; tdlib_only_count=158
• tdlib_vs_tdesktop: changed_count=0; overlap_count=2448; tdesktop_only=null; tdlib_only=accessPointRule, ephemeral.editMessage, help.configSimple, inputPeerPhotoFileLocationLegacy, inputStickerSetThumbLegacy, invokeWithApnsSecretPrefix, invokeWithBusinessConnectionPrefix, invokeWithGooglePlayIntegrityPrefix, invokeWithReCaptchaPrefix, ipPort, ipPortSecret, updateEphemeralBotCallbackQuery