LinkedIn User Posts API (Post History for Personalization)

// OVERVIEW

What it does

List the recent posts published by a LinkedIn person or company, with full post content.

Use it to analyze what a lead talks about before you reach out, so AI can personalize the first message.

It also returns each post's social_id, which Get Post Reactions and Get Post Comments need.

// PARAMETERS

Inputs

Name	Type	Required	Description
`profileId`	string	Required	Connected LinkedIn profile.
`identifier`	string	Required	The author's internal ID. Person starts with ACo or ADo; company is the numeric company ID (enable Is Company).
`isCompany`	boolean	Optional	Set true when the author is a company.
`limit`	number	Optional	Posts per page, up to 100.
`cursor`	string	Optional	Pagination cursor.

// OUTPUT SHAPE

Example JSON output

{
  "items": [
    {
      "social_id": "urn:li:activity:73...",
      "text": "We ran an outbound experiment ...",
      "url": "https://www.linkedin.com/posts/...",
      "posted_at": "2026-07-01",
      "reactions_count": 132,
      "comments_count": 24
    }
  ],
  "cursor": "eyJwYWdlIjoy..."
}

// INVOCATION

How to call

Resource: PostOperation: Get Many

POST/v1/actions/get-user-posts/v1

curl -X POST https://actions.periodix.net/api/v1/actions/get-user-posts/v1 \
  -H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" \
  -d '{ "profileId": "prf_01H...", "identifier": "ACoAA...", "isCompany": false, "limit": 50 }'

Example response

{
  "items": [
    {
      "social_id": "urn:li:activity:73...",
      "text": "We ran an outbound experiment ...",
      "url": "https://www.linkedin.com/posts/...",
      "posted_at": "2026-07-01",
      "reactions_count": 132,
      "comments_count": 24
    }
  ],
  "cursor": "eyJwYWdlIjoy..."
}

// CONSTRAINTS

Limits & status

Up to 100 per page, paginate with cursor. Automatic rate limiting.

// USED IN

Playbooks using this Action

Not yet used in a published playbook.

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