Create slack boost

Create a slack boost for a post. When the post publishes, Ordinal sends a notification to the selected Slack channel. Each post can have at most one slack boost. Use a slackWebhookId from a connected Slack marketing boost channel.

POST/slack-boosts

Authorization

AuthorizationBearer token · headerrequired

API key authentication. Generate an API key from your workspace settings.

Request body

requiredapplication/json

postIdstring<uuid>required

The ID of the post to attach the slack boost to

slackWebhookIdstring<uuid>required

The ID of the Slack webhook (channel) to send notifications to

copystring

Optional custom message included in the Slack notification

Responses

200

Slack boost created

slackBoostSlackBoost

A slack boost sends a Slack notification when its post publishes

Show properties

idstring<uuid>

copystring | null

Optional custom message in the Slack notification

isAutoCreatedboolean

True when the boost was added automatically via channel auto-boost

postIdstring<uuid>

slackWebhookSlackWebhookSummary

Slack channel (webhook) targeted by a slack boost

Show properties

idstring<uuid>

channelNamestring | null

teamNamestring | null

createdAtstring<date-time>

updatedAtstring<date-time>

400

Bad Request - Invalid input parameters

codestring

messagestring

dataobject

Show properties

errorsobject

401

Unauthorized - Missing or invalid API key

codestring

messagestring

404

Not Found - Resource does not exist

codestring

messagestring

Try it

Server

Base URLCustom base URLOverrides the selected server when set.

Authorization

Bearer tokenRemember on this deviceInclude my values in samples

Bodyapplication/json

postIdstring*The ID of the post to attach the slack boost toslackWebhookIdstring*The ID of the Slack webhook (channel) to send notifications tocopystringOptional custom message included in the Slack notification

Request

curl -X POST 'https://app.tryordinal.com/api/v1/slack-boosts' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -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!"
}'

const response = await fetch("https://app.tryordinal.com/api/v1/slack-boosts", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_TOKEN",
    "Content-Type": "application/json"
  },
  body: "{\n  \"postId\": \"550e8400-e29b-41d4-a716-446655440300\",\n  \"slackWebhookId\": \"550e8400-e29b-41d4-a716-446655440920\",\n  \"copy\": \"New post — please like and share!\"\n}"
});

import requests

response = requests.post(
    "https://app.tryordinal.com/api/v1/slack-boosts",
    headers={
        "Authorization": "Bearer YOUR_TOKEN",
        "Content-Type": "application/json"
    },
    data="{\n  \"postId\": \"550e8400-e29b-41d4-a716-446655440300\",\n  \"slackWebhookId\": \"550e8400-e29b-41d4-a716-446655440920\",\n  \"copy\": \"New post — please like and share!\"\n}",
)

Response

{
  "slackBoost": {
    "id": "550e8400-e29b-41d4-a716-446655440910",
    "copy": "New post — please like and share!",
    "isAutoCreated": false,
    "postId": "550e8400-e29b-41d4-a716-446655440300",
    "slackWebhook": {
      "id": "550e8400-e29b-41d4-a716-446655440920",
      "channelName": "marketing-boost",
      "teamName": "Acme Corp"
    },
    "createdAt": "2026-01-15T10:30:00.000Z",
    "updatedAt": "2026-01-15T10:30:00.000Z"
  }
}

{
  "code": "BAD_REQUEST",
  "message": "Bad Request",
  "data": {
    "errors": {
      "publishAt": [
        "Invalid date format"
      ],
      "status": [
        "Invalid enum value"
      ]
    }
  }
}

{
  "code": "UNAUTHORIZED",
  "message": "Invalid or unauthorized API key"
}

{
  "code": "NOT_FOUND",
  "message": "Post not found or does not belong to this workspace"
}