Archives a channel.

Required Params

• channel - Channel to archive

Errors the API can return:

• already_archived - Channel has already been archived.
• cant_archive_general - You cannot archive the general channel
• channel_not_found - Value passed for channel was invalid.
• last_ra_channel - You cannot archive the last channel for a restricted account
• restricted_action - A team preference prevents the authenticated user from archiving.

Creates a channel.

Required Params

• name - Name of channel to create ex: mychannel

Errors the API can return:

• name_taken - A channel cannot be created with the given name.
• no_channel - Value passed for name was empty.
• restricted_action - A team preference prevents the authenticated user from creating channels.

Fetches history of messages and events from a channel.

Required Params

• channel - Channel to fetch history for.

Optional Params

• count - Number of messages to return, between 1 and 1000. ex: 100
• inclusive - Include messages with latest or oldest timestamp in results. ex: 1
• latest - End of time range of messages to include in results.
• oldest - Start of time range of messages to include in results.
• unreads - Include unread_count_display in the output? ex: 1

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• invalid_ts_latest - Value passed for latest was invalid
• invalid_ts_oldest - Value passed for oldest was invalid

Gets information about a channel.

Required Params

• channel - Channel to get info on

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.

Invites a user to a channel.

Required Params

• channel - Channel to invite user to.
• user - User to invite to channel.

Errors the API can return:

• already_in_channel - Invited user is already in the channel.
• cant_invite - User cannot be invited to this channel.
• cant_invite_self - Authenticated user cannot invite themselves to a channel.
• channel_not_found - Value passed for channel was invalid.
• is_archived - Channel has been archived.
• not_in_channel - Authenticated user is not in the channel.
• user_not_found - Value passed for user was invalid.

Joins a channel, creating it if needed.

Required Params

• name - Name of channel to join

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• is_archived - Channel has been archived.
• name_taken - A channel cannot be created with the given name.
• no_channel - Value passed for name was empty.
• restricted_action - A team preference prevents the authenticated user from creating channels.

Removes a user from a channel.

Required Params

• channel - Channel to remove user from.
• user - User to remove from channel.

Errors the API can return:

• cant_kick_from_general - User cannot be removed from #general.
• cant_kick_from_last_channel - User cannot be removed from the last channel they're in.
• cant_kick_self - Authenticated user can't kick themselves from a channel.
• channel_not_found - Value passed for channel was invalid.
• not_in_channel - User was not in the channel.
• restricted_action - A team preference prevents the authenticated user from kicking.
• user_not_found - Value passed for user was invalid.

Leaves a channel.

Required Params

• channel - Channel to leave

Errors the API can return:

• cant_leave_general - Authenticated user cannot leave the general channel
• channel_not_found - Value passed for channel was invalid.
• is_archived - Channel has been archived.

Lists all channels in a Slack team.

Optional Params

• exclude_archived - Don't return archived channels. ex: 1

Sets the read cursor in a channel.

Required Params

• channel - Channel to set reading cursor in.
• ts - Timestamp of the most recently seen message.

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• invalid_timestamp - Value passed for timestamp was invalid.
• not_in_channel - Caller is not a member of the channel.

Renames a channel.

Required Params

• channel - Channel to rename
• name - New name for channel.

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• invalid_name - New name is invalid
• name_taken - New channel name is taken
• not_authorized - Caller cannot rename this channel
• not_in_channel - Caller is not a member of the channel.

Retrieve a thread of messages posted to a channel.

Required Params

• channel - Channel to fetch thread from
• thread_ts - Unique identifier of a thread's parent message.

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• thread_not_found - Value for thread_ts was missing or invalid.

Sets the purpose for a channel.

Required Params

• channel - Channel to set the purpose of
• purpose - The new purpose ex: My Purpose

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• is_archived - Channel has been archived.
• not_in_channel - Authenticated user is not in the channel.
• too_long - Purpose was longer than 250 characters.
• user_is_restricted - Setting the purpose is a restricted action.

Sets the topic for a channel.

Required Params

• channel - Channel to set the topic of
• topic - The new topic ex: My Topic

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• is_archived - Channel has been archived.
• not_in_channel - Authenticated user is not in the channel.
• too_long - Topic was longer than 250 characters.
• user_is_restricted - Setting the topic is a restricted action.

Unarchives a channel.

Required Params

• channel - Channel to unarchive

Errors the API can return:

• channel_not_found - Value passed for channel was invalid.
• not_archived - Channel is not archived.