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Slack Boost notifies your team via Slack when posts publish, encouraging them to engage and amplify your content’s reach. Turn employees into advocates by making it easy to find and interact with your social content. Slack Boost

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How Slack Boost works

  1. You configure Slack Boost for a post (or enable it by default)
  2. Once the post publishes to social platform(s), Ordinal sends a notification to your configured Slack channel
  3. Your team sees the live post with direct links
  4. Team members engage - likes, comments, shares - boosting visibility
The Slack message includes:
  • Post title (links to the post in Ordinal)
  • Button to view on each platform where it published
  • Your custom message, if you added one

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Setting up Slack Boost

Slack Boost
1

Connect Slack

Go to Integrations → Slack and click Marketing Boost Channels. Authorize Ordinal to access your Slack workspace.
2

Choose a channel

As part of the configuration, you’ll choose the specific channels you want to boost posts to e.g. #marketing-boost or #marketing.
3

Enable auto-boost (optional)

Toggle Auto-boost on a channel to notify on every post automatically. You can still remove boosts from individual posts.
Slack Boost is configured. Posts will now notify your team.

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Adding Slack Boost to posts

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Manual boost

  1. Open a post and scroll to Post Automations
  2. Click + Slack Boost
  3. Select the Slack channel
  4. Add a custom message (optional)
When the post publishes, your configured channels receive the notification.

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Auto-boost

When auto-boost is enabled on a channel, every new post automatically includes a Slack Boost to that channel. Remove the boost from individual posts if not needed.
Don’t over-notify. Reserve boosts for content where engagement genuinely matters - auto-boosting everything leads to notification fatigue.

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Choosing the right channel

Target the right audience for each post. A company announcement might go to #all-hands while a product feature post goes to #product-team.
Channel exampleUse case
#social-boostAll boost requests
#marketingMarketing team content
#leadershipExecutive posts

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Slack Boost API

You can list connected Slack channels and manage slack boosts programmatically. All endpoints require API key authentication.
ActionMethodPathDescription
List webhooksGET/slack-webhooksList connected marketing boost channels (use id as slackWebhookId when creating a boost)
List for postGET/posts/{postId}/slack-boostsList all slack boosts for a given post
CreatePOST/slack-boostsAttach a boost to a post and Slack channel
GetGET/slack-boosts/{id}Get one slack boost by ID
UpdatePATCH/slack-boosts/{id}Update copy or target channel
DeleteDELETE/slack-boosts/{id}Remove the boost

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List Slack webhooks

curl -X GET "https://app.tryordinal.com/api/v1/slack-webhooks" \
  -H "Authorization: Bearer ord_XXXXXXXXXXXXXXXX"

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List slack boosts for a post

curl -X GET "https://app.tryordinal.com/api/v1/posts/550e8400-e29b-41d4-a716-446655440300/slack-boosts" \
  -H "Authorization: Bearer ord_XXXXXXXXXXXXXXXX"

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Create slack boost

Use a post ID and a slackWebhookId from GET /slack-webhooks or from a connected marketing boost channel. 
curl -X POST "https://app.tryordinal.com/api/v1/slack-boosts" \
  -H "Authorization: Bearer ord_XXXXXXXXXXXXXXXX" \
  -H "Content-Type: application/json" \
  -d '{
    "postId": "550e8400-e29b-41d4-a716-446655440300",
    "slackWebhookId": "550e8400-e29b-41d4-a716-446655440920",
    "copy": "New post — please like and share!"
  }'

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Get, update, and delete

curl -X GET "https://app.tryordinal.com/api/v1/slack-boosts/550e8400-e29b-41d4-a716-446655440910" \
  -H "Authorization: Bearer ord_XXXXXXXXXXXXXXXX"

curl -X PATCH "https://app.tryordinal.com/api/v1/slack-boosts/550e8400-e29b-41d4-a716-446655440910" \
  -H "Authorization: Bearer ord_XXXXXXXXXXXXXXXX" \
  -H "Content-Type: application/json" \
  -d '{"copy": "Updated message for the team."}'

curl -X DELETE "https://app.tryordinal.com/api/v1/slack-boosts/550e8400-e29b-41d4-a716-446655440910" \
  -H "Authorization: Bearer ord_XXXXXXXXXXXXXXXX"
See the Slack Boosts API reference for full schemas (including GET /slack-webhooks) and error handling.

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Learn more

Auto-Engagements

Automate likes, comments, and reposts.

Social Profiles

Connect your social accounts.