Slack
A messaging channel. Not shipped yet.
Coming soon. Slack connections are not available yet. LinkedIn, X, Bluesky, Discord, Telegram and Mastodon are live today. This page describes how Slack will work once it ships.
#Overview
Slack is not shipped yet. When it lands, you will be able to send messages to a Slack channel through the same API and CLI you already use for LinkedIn, X, Bluesky, Discord, Telegram and Mastodon.
Example of what a Slack message will look like:

#How it will work
- Add a Slack connection
- Authenticate via your Slack account
- Pick a channel where the connection will post messages
- Send a message via our API or SDKs
#Pricing
Connections are billed per connected account, per month, with the first two free. See pricing. Posts are unlimited on every plan.
#Character Limits
| Limit | Value | Source |
|---|---|---|
| Maximum length | 40,000 characters | Slack API |