ActionSlackUpdated May 2026

How do I remove a Slack emoji reaction?

Short answer: Drop the "Slack → Remove Reaction" 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 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 #.
Message Timestamp timestamp	string	Required	The 'ts' value of the message to remove the reaction from
Emoji Name name	string	Required	Emoji name without colons (e.g. thumbsup, not :thumbsup:)

Sample request

{
  "channel": "C1234567890",
  "timestamp": "1234567890.123456",
  "name": "e.g. thumbsup"
}

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 Reaction.

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 Reaction.

What does the Remove Reaction action do in Slack?

Removes an emoji reaction from a Slack message. The bot can only remove reactions it added.

What inputs does Remove Reaction require?

Required: Channel, Message Timestamp, Emoji Name. 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 Reaction support batch operations?

Yes. Run Remove Reaction 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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