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PluginsSlack

Slack Plugin

Send messages to Slack channels using a bot token and the Slack chat.postMessage API.

Actions

ActionDescription
Send Slack MessageSend a message to a Slack channel

Setup

  1. Create a Slack app at api.slack.com/apps  (or use an existing one)
  2. Under OAuth & Permissions, add the chat:write bot token scope
  3. Install the app to your workspace and copy the Bot User OAuth Token (starts with xoxb-)
  4. Invite the bot to the target channel (/invite @your-bot-name in Slack)
  5. In KeeperHub, go to Connections > Add Connection > Slack
  6. Paste the Bot Token and save

Send Slack Message

Post a message to a Slack channel.

Inputs: Channel (name like #general or a channel ID), Message (supports {{NodeName.field}} variables)

Outputs: success, ts (message timestamp), channel (channel ID), error

When to use: Alert your team about on-chain events, notify on balance changes, report workflow results, send security alerts.

Example workflow:

Schedule (every 5 min)
  -> Get Native Token Balance (treasury)
  -> Condition: balance < 10 ETH
  -> Slack: "Treasury balance low: {{CheckBalance.balance}} ETH"
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