Unique identifier for this chat.

Type of the chat, can be either “private”, “group”, “supergroup” or “channel”

Title, for supergroups, channels and group chats

Username, for private chats, supergroups and channels if available

First name of the other party in a private chat

Last name of the other party in a private chat

True, if the supergroup chat is a forum (has topics enabled)

Identifier of the accent color for the chat name and backgrounds of the chat photo, reply header, and link preview. See accent colors for more details.

The maximum number of reactions that can be set on a message in the chat

Chat photo

If non-empty, the list of all active chat usernames; for private chats, supergroups and channels

For private chats, the date of birth of the user

For private chats with business accounts, the intro of the business

For private chats with business accounts, the location of the business

For private chats with business accounts, the opening hours of the business

For private chats, the personal channel of the user

List of available reactions allowed in the chat. If omitted, then all emoji reactions are allowed.

Custom emoji identifier of the emoji chosen by the chat for the reply header and link preview background

Identifier of the accent color for the chat's profile background. See profile accent colors for more details.

Custom emoji identifier of the emoji chosen by the chat for its profile background

Custom emoji identifier of the emoji status of the chat or the other party in a private chat

Expiration date of the emoji status of the chat or the other party in a private chat, in Unix time, if any

Bio of the other party in a private chat

True, if privacy settings of the other party in the private chat allows to use tg://user?id=<user_id> links only in chats with the user

True, if the privacy settings of the other party restrict sending voice and video note messages in the private chat

True, if users need to join the supergroup before they can send messages

True, if all users directly joining the supergroup without using an invite link need to be approved by supergroup administrators

Description, for groups, supergroups and channel chats

Primary invite link, for groups, supergroups and channel chats

The most recent pinned message (by sending date)

Default chat member permissions, for groups and supergroups

For supergroups, the minimum allowed delay between consecutive messages sent by each unprivileged user; in seconds

For supergroups, the minimum number of boosts that a non-administrator user needs to add in order to ignore slow mode and chat permissions

The time after which all messages sent to the chat will be automatically deleted; in seconds

True, if aggressive anti-spam checks are enabled in the supergroup. The field is only available to chat administrators.

True, if non-administrators can only get the list of bots and administrators in the chat

True, if messages from the chat can't be forwarded to other chats

True, if new chat members will have access to old messages; available only to chat administrators

For supergroups, name of the group sticker set

True, if the bot can change the group sticker set

For supergroups, the name of the group's custom emoji sticker set. Custom emoji from this set can be used by all users and bots in the group.

Unique identifier for the linked chat, i.e. the discussion group identifier for a channel and vice versa; for supergroups and channel chats.

For supergroups, the location to which the supergroup is connected

True, if paid media messages can be sent or forwarded to the channel chat. The field is available only for channel chats.