ActionSlackUpdated May 2026

How do I remove a user from a Slack channel?

Short answer: Drop the "Slack → Remove from Channel" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 45 Slack actions

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Channel ID channel	string	Required	Slack channel ID (starts with C for public, G for private group, D for DM). Find via List Channels. Not the channel name with #.
User ID user	string	Required	Slack user ID (starts with U or W). Find via List Users. Not the username or display name.

Sample request

{
  "channel": "e.g. C0123456789",
  "user": "e.g. U0123456789"
}

Returns

{
  "ok": true
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Remove from Channel.

Any of these apps can fire this action as part of a workflow.

Gmail → Slack

1 Gmail triggers

Google Sheets → Slack

2 Google Sheets triggers

FAQ

Questions about Remove from Channel.

What does the Remove from Channel action do in Slack?

Removes a user from a Slack channel. Requires the bot or token-holder to have admin permission on the channel.

What inputs does Remove from Channel require?

Required: Channel ID, User ID. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Slack returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Remove from Channel support batch operations?

Yes. Run Remove from Channel inside a Loop node to process arrays. Tiny Command handles Slack's rate limits automatically so you don't have to throttle manually.

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