Slack + Webhooks by Zapier

Send custom requests with Webhooks by Zapier when new reactions are added in Slack

Stay on top of your team's reactions in Slack by setting up this efficient workflow. When a new reaction is added in Slack, it will trigger a custom webhook request, keeping you informed without delay. Easily track engagement, feedback, and important insights while maintaining a seamless communication experience for your team.

When this happens...
New Reaction Added
Triggers when a reaction (aka reactji) is added to a message in a public #channel.
TriggerInstant
automatically do this!
Custom Request
Fire off a custom request by providing raw details. Very flexible but unforgiving.
ActionWrite

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Supported triggers and actions

What does this mean?

- Trigger for Bot Messages?
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
Trigger
Instant
Try It
- Channel
- User Name
- Shared
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
Trigger
Instant
Try It
- Reaction
- Channel
- User
Trigger
Instant
Try It

New User
Triggers when a new Slack user is created / first joins your org.
Trigger
Instant
Try It
- ChannelRequired
- UsersRequired
Action
Write

- Send Multi Message
- Message TextRequired
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap Id
Action
Write
- ChannelRequired
- Message TextRequired
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap Id
- File
- Thread
- Send Channel Message?
Action
Write
- First Name
- Last Name
- Title
- Email
- User
Action
Write
- Raw Request User Info
- Api Docs Info
- HTTP MethodRequired
- URLRequired
- Query String Parameters
- Headers
- Additional Request Headers
- Body
Action
Write
Create Private Channel
This action creates a private channel in Slack.
Action
Write
- EmailRequired
- Return Raw Results?
Action
Search
- Full NameRequired
- Return Raw Results?
Action
Search
- URLRequired
- Key
- Deduplication Key
- Xpath
- Basic Auth
- Headers
Trigger
Scheduled
Try It
- Pick off a Child Key
Trigger
Instant
Try It
- URLRequired
- Query String Params
- Send As JSON
- JSON key
- Unflatten
- Basic Auth
- Headers
Action
Write
- URLRequired
- Payload Type
- Data
- Wrap Request In Array
- File
- Unflatten
- Basic Auth
- Headers
Action
Write

New Channel
Triggers whenever a new #channel is created.
Trigger
Instant
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- Include Alias
Trigger
Instant
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- User Name
- Highlight Word
- Trigger for Bot Messages?
Trigger
Instant
Try It
New Pushed Message
Triggers when you click the "Push to Zapier" button from a message in Slack.
Trigger
Instant
Try It
New Saved Message
Triggers when you save a message.
Trigger
Instant
Try It
- TextRequired
- Remind when?Required
- Remind who?
Action
Write
- ChannelRequired
- Message TextRequired
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap Id
- File
- Thread
- Send Channel Message?
Action
Write
- Channel NameRequired
Action
Write
- ChannelRequired
- TopicRequired
Action
Write
- Status Text
- Status Emoji
- Expiration Time
Action
Write
Delete Message
This action deletes an existing message in a specific channel on Slack. You need to provide the channel ID and the message timestamp as inputs.
Action
Write
- Search QueryRequired
- Sort By
- Sort Direction
Action
Search
- IDRequired
- Return Raw Results?
Action
Search
- UsernameRequired
- Return Raw Results?
Action
Search
Catch Raw Hook
Wait for a new POST, PUT, or GET to a Zapier URL. Gives the request body unparsed (max 2 MB) and also includes headers.
Trigger
Instant
Try It
- MethodRequired
- URLRequired
- Data Pass-Through?
- Data
- Unflatten
- Basic Auth
- Headers
Action
Write
- URLRequired
- Payload Type
- Data
- Wrap Request In Array
- File
- Unflatten
- Basic Auth
- Headers
Action
Write

About Slack

Slack is a platform for team communication: everything in one place, instantly searchable, available wherever you go. Offering instant messaging, document sharing and knowledge search for modern teams.

Learn more Help

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About Webhooks by Zapier

Webhooks simply POST data (or JSON) to a specific URL every time we see something new. Webhooks can also accept data (or JSON) to kick off a workflow in Zapier.

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Slack + Webhooks by Zapier

Send custom requests with Webhooks by Zapier when new reactions are added in Slack

New Public Message Posted Anywhere

Trigger for Bot Messages?

New Message Posted to Channel

Trigger for Bot Messages?

New File

Channel

User Name

Shared

New Message Posted to Private Channel

ChannelRequired

Trigger for Bot Messages?

New Reaction Added

Reaction

Channel

User

New User

Invite User To Channel

ChannelRequired

UsersRequired

Send Direct Message

Send Multi Message

Message TextRequired

Send as a bot?

Bot Name

Bot Icon

Include a link to this Zap?

Attach Image by URL

Auto-Expand Links?

Link Usernames and Channel Names?

Schedule At

Zap Id

Send Private Channel Message

ChannelRequired

Message TextRequired

Send as a bot?

Bot Name

Bot Icon

Include a link to this Zap?

Attach Image by URL

Auto-Expand Links?

Link Usernames and Channel Names?

Schedule At

Zap Id

File

Thread

Send Channel Message?

Update Profile

First Name

Last Name

Title

Email

User

API Request (Beta)

Raw Request User Info

Api Docs Info

HTTP MethodRequired

URLRequired

Query String Parameters

Headers

Additional Request Headers

Body

Create Private Channel

Find User by Email

EmailRequired

Return Raw Results?

Find User by Name

Full NameRequired

Return Raw Results?

Retrieve Poll

URLRequired

Key

Deduplication Key

Xpath

Basic Auth

Headers