React to a LinkedIn post

Add a reaction to a LinkedIn post. LinkedIn supports 6 reaction types beyond simple likes. Reactions are a lightweight way to engage with content and increase visibility in your network. Supports reacting as a company page if you have admin access.

POST/posts/react

Authentication requiredPosts

Code Examples

curl -X POST 'https://api.connectsafely.ai/linkedin/posts/react' \
  -H 'Authorization: Bearer <your_api_key>' \
  -H 'Content-Type: application/json' \
  -d '{"postUrl":"https://linkedin.com/posts/example-post"}'

Parameters

No parameters.

Request Body

Field	Type	Required	Description
`accountId`	string	No	LinkedIn account ID to use. If not provided, uses the default account.
`postUrl`	string	Yes	Full URL of the LinkedIn post to react to. Can also provide threadUrn directly instead.
`threadUrn`	string	No	Thread URN of the post. If provided, skips URL scraping for faster execution.
`reactionType`	string	No	Reaction type: LIKE (thumbs up), PRAISE (clap), APPRECIATION (heart), EMPATHY (caring), INTEREST (insightful), ENTERTAINMENT (funny)
`companyUrn`	string	No	Company URN to react as company page instead of personal profile (e.g., "urn:li:fsd_company:123456"). Requires admin access to the company page.

Example

{
  "postUrl": "https://linkedin.com/posts/example-post"
}

Responses

Status	Description
200	Reaction added successfully
400	Bad request - Missing required fields or validation error
401	Unauthorized - Invalid or missing API key
500	Server error - Failed to react to post

200 Response Parameters

Name	Type	Description
`success`	boolean
`message`	string	Success message describing the action
`postUrl`	string	URL of the post that was reacted to
`threadUrn`	string	Thread URN of the post
`reactionType`	string	Type of reaction applied (LIKE, PRAISE, etc.)
`accountId`	string	LinkedIn account ID that added the reaction
`companyUrn`	string	Company URN if reacted as company page
`postDetails`	object	Details about the post that was reacted to

200 Example

{
  "success": true,
  "message": "Successfully reacted to post with LIKE reaction",
  "postUrl": "https://www.linkedin.com/feed/update/urn:li:activity:7430667226199830528/",
  "threadUrn": "urn:li:activity:7430667226199830528",
  "reactionType": "LIKE",
  "accountId": "696ce9e780e0483585e4e553",
  "postDetails": {
    "activityUrn": "urn:li:activity:7430667226199830528",
    "ugcPostUrn": null,
    "shareUrn": "urn:li:share:7430667225633550337",
    "featuredActivityUrn": null,
    "content": "Discover proven LinkedIn strategies for consultants to attract high-value clients..."
  }
}

400 Response Parameters

Name	Type	Description
`error`	string

400 Example

{
  "error": "Either postUrl or threadUrn must be provided",
  "success": false
}

401 Response Parameters

Name	Type	Description
`error`	string

401 Example

{
  "error": "Unauthorized"
}

500 Response Parameters

Name	Type	Description
`error`	string

500 Example

{
  "error": "Failed to react to post",
  "success": false
}

React to a LinkedIn post

Code Examples

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