Postpone + Slack

Send Slack messages when new posts are submitted in Postpone

Stay on top of your Reddit community engagement effortlessly. When a new post is submitted on Reddit via the Postpone app, this workflow sends a channel message in Slack. This means you will never miss any update or need to check manually, all while improving your communication and efficiency.

When this happens...
Reddit Post Submitted
Triggers when a post is successfully submitted to Reddit.
TriggerPolling
automatically do this!
Send Channel Message
Triggers when a new message is posted to a specific #channel you choose.
ActionWrite

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Supported triggers and actions

- Reddit Username (optional)
Trigger
Polling
Try It
- Facebook PageRequired
- Post Type
- Text
- Media URL
- Media Name
- Date/Time
Action
Write
- LinkedIn Profile or PageRequired
- TextRequired
- Link
- Media URL
- Media Name
- Date/Time
Action
Write
- Threads AccountRequired
- Post TextRequired
- Media URL
- Media Name
- Date/Time
- Second Post Text (optional)
Action
Write
- Twitter AccountRequired
- Tweet TextRequired
- Media URL
- Media Name
- Date/Time
- Second Tweet Text (optional)
Action
Write

- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
Try It

- Channel
- User Name
- Shared
Trigger
Instant
Try It
- Search QueryRequired
- Optimized data
Trigger
Polling
Try It
- Conversation ID
- Reaction
- Member ID
- Message Author ID
Trigger
Instant
Try It
- Zap Identifier
- Access type
Trigger
Instant
Try It
New User
Triggers when a new Slack user is created / first joins your org.
Trigger
Instant
Try It
- Conversation IDRequired
Action
Write
- ChannelRequired
- UsersRequired
Action
Write
- Allowed Delete Copy
- Conversation IDRequired
- Message TS (ID)Required
- Posted By
Action
Write
- Allowed Edit Copy
- Conversation IDRequired
- Message TS (ID)Required
- Posted By
- Content Type
- Reply Broadcast
Action
Write
- ChannelRequired
- Add Zapier app to channel automatically?
- 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
- ChannelRequired
- TopicRequired
- Topic set by
Action
Write
- Status Text
- Status Emoji
- Expiration Time
Action
Write
Remove User from Channel
This action removes a specified user from a specified channel in Slack.
Action
Write
Edit Message
This action updates a specific message sent by the same Authenticated user on Slack. You need to provide the Channel ID, the Timestamp of the message to be edited, and the new text for the message.
Action
Write
Find Public Channel
This action will find a public channel in Slack using either the channel's ID or name.
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
- Conversation IDRequired
Action
Search
- Conversation IDRequired
- Message ID (ts)Required
Action
Search
- Search QueryRequired
- Sort By
- Sort Direction
Action
Search
- IDRequired
- Return Raw Results?
Action
Search
- UsernameRequired
- Return Raw Results?
Action
Search

- Bluesky AccountRequired
- TextRequired
- Media URL
- Media Name
- Date/Time
- Content Warning
- Second Post Text (optional)
Action
Write
- Instagram AccountRequired
- Post Type
- CaptionRequired
- Media URL
- Media Name
- Date/Time
Action
Write
- Reddit AccountRequired
- TitleRequired
- Link
- Media URL
- Media Name
- Post Text
- Comment
- SubredditRequired
- Date/Time
- Flair
- Cross-post Submissions to your Profile?
- NSFW?
- Send Replies to Inbox
- Spoiler?
- Scheduling Submissions
- Submission 2 Subreddit
- Submission 2 Date/Time
- Submission 2 Flair
- Submission 3 Subreddit
- Submission 3 Date/Time
- Submission 3 Flair
Action
Write
- TikTok AccountRequired
- CaptionRequired
- Video URL
- Video Name
- Date/Time
- Allow Users to Duet?
- Allow Users to Comment?
- Allow Users to Switch?
- This Post is Promotional Content
- This Post is a Paid Partnership
Action
Write
- YouTube ChannelRequired
- TitleRequired
- Description
- Video URL
- Video Name
- Date/Time
- Made for Kids
Action
Write
New Channel
Triggers when a new #channel is created.
Trigger
Instant
Try It
- Include Alias
Trigger
Instant
Try It
- Username
- Highlight Word
- Trigger for Bot Messages?
- Only Public Channels?
Trigger
Instant
Try It
- ChannelRequired
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
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
- Conversation IDRequired
- Scheduled AsRequired
- Scheduled Message IDRequired
Action
Write
- ChannelRequired
- Add Zapier app to channel automatically?
- 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
- File
- Thread
- Send Channel Message?
- Zap Id
Action
Write
- Send Multi Message
- Message TextRequired
- Send as a bot?
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap Id
Action
Write
- Channel NameRequired
Action
Write
- Status Copy
- Approval request messageRequired
- Send message asRequired
- Approval typeRequired
- Zap Id
- Include a link to this Zap?
- Approve button URL
- Approve button label
- Add decline button
- Add details button
- Require confirmation
Action
Write
- First Name
- Last Name
- Title
- Email
- Display Name
- User
Action
Write
- Stop on errorRequired
- HTTP MethodRequired
- URLRequired
- Query string parameters
- Additional request headers
- Body
Action
Write
Get Message by Timestamp
This action retrieves a specific message from a conversation history in Slack using the message's timestamp.
Action
Write
Retrieve Thread Messages
This action retrieves all the messages sent to a specific thread in a selected channel.
Action
Write
Create Private Channel
This action creates a private channel in Slack.
Action
Write
- Conversation IDRequired
Action
Search
- Conversation IDRequired
- Message ID (ts)Required
Action
Search
- Conversation IDRequired
- Message TS (ID)Required
Action
Search
- EmailRequired
- Return Raw Results?
Action
Search
- Full NameRequired
- Return Raw Results?
Action
Search

About Postpone

Postpone is an all-in-one social media marketing platform for creators, agencies, and brands.

Related categories

Social Media Marketing

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

Related categories

Team Chat

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Postpone + Slack

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Reddit Post Submitted

Schedule Facebook Post

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Schedule Threads Post

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New Public Message Posted Anywhere

New Message Posted to Channel

New File

New Message From Query

New Reaction Added

New Pushed Message

New User

Archive Conversation

Invite User to Channel

Delete Message

Edit Message

Send Private Channel Message

Set Channel Topic

Set Status

Remove User from Channel

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Find Public Channel

Delete Message

Get Conversation Members

Get Message Permalink

Find Message

Find User by ID

Find User by Username

Schedule Bluesky Post

Schedule Instagram Post

Schedule Reddit Post

Schedule TikTok Post

Schedule YouTube Short

New Channel

New Team Custom Emoji

New Mention

New Channel Member

New Message Posted to Private Channel

New Saved Message

Add Reminder

Cancel Scheduled Message

Send Channel Message

Send Direct Message

Create Channel

Request Approval

Update Profile

API Request (Beta)

Get Message by Timestamp

Retrieve Thread Messages

Create Private Channel

Get Conversation

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Find User by Email

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About Postpone

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