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Slack

Put your agent in Slack so teammates and customers get answers in channels and DMs. Connect with a bot token and the Events API webhook.

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The Slack channel lets your agent answer inside Slack — in DMs, in channels it's invited to, and when it's @-mentioned. It's ideal for internal help desks (HR, IT, ops) and for shared customer channels.

Prerequisites

A Slack app in your workspace with a Bot User OAuth token and the Events API enabled.

Connect Slack

  1. 1
    Create a Slack app
    At api.slack.com/apps, create an app, add a bot user, and install it to your workspace to get a Bot User OAuth token.
  2. 2
    Enable the channel in Bookbag
    On the agent's Deploy tab, open the Slack card, choose Connect, and paste the bot token (and optionally a default channel).
  3. 3
    Point the Events API at Bookbag
    In your Slack app's Event Subscriptions, set the Request URL to the Slack inbound webhook URL shown on the channel card.
  4. 4
    Subscribe to message events
    Add the message.channels, message.im, and app_mention bot events, then reinstall the app if Slack asks you to.

URL verification handshake

When you save the Request URL, Slack immediately POSTs a url_verification challenge. Bookbag detects it and echoes the challenge value straight back, so the URL is verified automatically — no manual step on your side.

Slack sends
{
  "type": "url_verification",
  "challenge": "3eZbrw1aB..."
}

How replies are sent

When a message arrives, Bookbag ignores bot echoes and subtype events, runs the agent on the message text, and replies by calling Slack's chat.postMessage API with your bot token. Replies go to the originating channel or DM, or to the default channel you configured.

Avoiding loops

Bookbag automatically skips messages from bots and message edits/deletions, so your agent never replies to its own messages.

What's next