Slack integration

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Currently only available on the web. Requires posthog-js >= v1.324.0.

The SupportHog Slack bot connects your Slack workspace to PostHog Support, enabling two-way sync between Slack conversations and support tickets.

Slack to PostHog — messages in Slack automatically create support tickets and add comments
PostHog to Slack — team replies in PostHog are posted back to the Slack thread

This is separate from PostHog's main Slack integration (used for alerts and dashboards). SupportHog has its own bot, credentials, and event handling.

Connecting Slack

Go to Support > Settings in PostHog
Click Add SupportHog to Slack
Authorize the app in your Slack workspace
Select a support channel — messages posted there automatically become tickets
You're redirected back to PostHog settings

One workspace per project

Each PostHog project can connect to one Slack workspace. If the workspace is already connected to another project, you'll see an error.

Configuration

After connecting, configure the integration in Support > Settings:

Setting	Description	Default
Support channel	Every top-level message in this channel becomes a ticket. Thread replies sync as ticket messages.	—
Ticket emoji	React with this emoji on any message in any channel to create a ticket from it.	`:ticket:`
Bot mentions	Always active — `@SupportHog` in any channel creates a ticket from that message.	—

Picking a support channel

When you click the channel selector, PostHog lists all public and private channels the SupportHog bot has access to. Select the channel you want to use as your dedicated support inbox.

How tickets are created

There are three ways a Slack message becomes a support ticket:

1. Support channel messages

Any top-level message in your configured support channel automatically creates a new ticket. Thread replies on that message sync as ticket messages.

2. Bot mentions

Type @SupportHog in any channel to create a ticket from that message. If mentioned inside an existing ticket thread, the message is added as a comment instead.

3. Emoji reactions

React with the configured emoji (default :ticket:) on any message to create a ticket from it. If a ticket already exists for that thread, the reaction is ignored to prevent duplicates.

All three methods:

Set channel_source to slack on the ticket
Resolve the Slack user's name, email, and avatar
Convert Slack message formatting to PostHog's rich text format
Download and re-host any image attachments (up to 4 MB per image)
Post a confirmation reply in the Slack thread with the ticket number and a link to view it in PostHog

Two-way sync

Slack to PostHog

New messages in the support channel create tickets
Thread replies sync as ticket messages
Images from Slack are downloaded and stored in PostHog

PostHog to Slack

When a team member replies to a Slack-sourced ticket in PostHog, the reply is posted back to the original Slack thread
The reply shows the team member's name
Images attached in PostHog replies are uploaded to the Slack thread

Private notes (internal notes) are never sent to Slack.

Viewing Slack tickets

Slack-sourced tickets appear in your inbox alongside widget and email tickets. Each Slack ticket shows:

A Slack icon indicating the channel source
A link to the original Slack thread in the ticket sidebar
The Slack user's name and avatar on messages

You can filter the ticket list by channel source to see only Slack tickets.

Disconnecting

To remove the Slack integration:

Go to Support > Settings
Click Disconnect in the Slack section

Existing tickets created from Slack are not affected — they remain in your inbox but will no longer sync new messages.