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POST
https://api.linkupapi.com
/
v1
/
posts
/
react
React to Post
curl --request POST \
  --url https://api.linkupapi.com/v1/posts/react \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "post_url": "<string>",
  "reaction_type": "<string>",
  "country": "<string>",
  "login_token": "<string>",
  "company_url": "<string>"
}
'
{
  "status": "success",
  "message": "Post reacted successfully"
}
Add various types of reactions to any LinkedIn post using the post URL.
This endpoint costs 1 credit per request.

​
Header Parameters

​
x-api-key
string
required
Your API key

​
Body Parameters

​
post_url
string
required
URL of the LinkedIn post to react to (supports multiple formats)
​
reaction_type
string
default:"LIKE"
Type of reaction to add. Available options: LIKE, PRAISE, APPRECIATION, EMPATHY, INTEREST, ENTERTAINMENT
​
country
string
default:"FR"
Country code for proxy selection. Available: (US, UK, FR, DE, NL, IT, IL, CA, BR, ES, IN)
​
login_token
string
required
LinkedIn authentication cookie obtained from the login/verify process
​
company_url
string
URL of the LinkedIn company page to react as (e.g., “https://www.linkedin.com/company/your-company”). If provided, the reaction will be performed on behalf of the company page instead of the personal profile.

​
Response

​
status
string
Request status (success/error)
​
message
string
Detailed status message about the reaction request
{
  "status": "success",
  "message": "Post reacted successfully"
}

​
Reaction Types

The following reaction types are supported:
  • LIKE - Standard like reaction (default)
  • PRAISE - Celebrate/praise reaction
  • APPRECIATION - Support/appreciation reaction
  • EMPATHY - Care/empathy reaction
  • INTEREST - Insightful/interest reaction
  • ENTERTAINMENT - Funny/entertainment reaction

​
Notes

  • Supports multiple post URL formats:
    • Feed updates: https://www.linkedin.com/feed/update/urn:li:activity:...
    • Profile posts: https://www.linkedin.com/posts/user-activity-...
    • Group posts: https://www.linkedin.com/feed/update/urn:li:groupPost:...
  • The post must be accessible with the provided login token
  • A post can only be reacted to once by the same user per reaction type
  • LinkedIn’s rate limits apply to reaction operations
  • The reaction is performed with the identity associated with the login token
  • Company Page Reactions: When company_url is provided, the reaction will be posted on behalf of the company page. You must have admin rights on the company page to use this feature.
  • Some posts may have reactions disabled by their authors
  • Posts from private groups or connections may not be accessible
  • The API automatically detects the post type (share, article, etc.)
  • If no reaction_type is specified, defaults to “LIKE”