Engage

Reply to Engage comment

Posts a nested LinkedIn reply on a comment under one of YOUR posts.

POST/api/public/engage/comments/reply

cURLPOST /api/public/engage/comments/reply

curl -X POST https://postiv.ai/api/public/engage/comments/reply \
  -H "Authorization: Bearer pk_postiv_..." \
  -H "Content-Type: application/json" \
  -d '{
    "postUrn": "...",
    "commentUrn": "...",
    "replyText": "..."
  }'

200Response

{
  "success": true,
  "action": "reply",
  "createdCommentUrn": "urn:li:comment:(activity:123,789)"
}

Authorization

Requires an organization API key with the engage:write scope, sent as Authorization: Bearer or x-api-key.

Body parameters

postUrnstringrequired

Parent post URN.

commentUrnstringrequired

Comment URN to reply to.

replyTextstringrequired

Plain text, 1-1250 chars.

actorIntegrationIdinteger

Reply-as profile/page.

likeParentOnReplyboolean

Also LIKE the parent comment.

Response

Reply result.

createdCommentUrnstring

URN of the posted reply when LinkedIn returned one.

Errors

404	comment_not_found
422	invalid_actor / linkedin_cmm_required

Good to know

MCP twin: reply_to_engage_comment.