LinkedIn · Guide

How to get LinkedIn post details

TL;DR
To get LinkedIn post details, sign up for a free Captapi key, then send one GET request to /v1/linkedin/post-details with your input. You get clean JSON back in seconds for 1 credit per call — no OAuth, scraping or platform SDKs. Get a LinkedIn post — text, author, reactions, and comments count as structured JSON.

How to get LinkedIn post details (step by step)

  1. 1

    Get a free API key

    Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.

  2. 2

    Call the LinkedIn Post Details API

    Send an authenticated GET request to /v1/linkedin/post-details with your input. No OAuth, no scraping setup.

  3. 3

    Read the JSON response

    Parse the clean JSON response. Pass cache=true for a free 24h cache hit; default is always fresh.

Code example

curl "https://api.captapi.com/v1/linkedin/post-details?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2Fmicrosoft_the-most-meaningful-breakthroughs-happen-activity-7477715981667086336-x68i" \
  -H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."

What the response looks like

{
  "success": true,
  "data": {
    "platform": "linkedin",
    "type": "post",
    "url": "https://www.linkedin.com/posts/microsoft_the-most-meaningful-breakthroughs-happen-activity-7477715981667086336-x68i",
    "text": "The most meaningful breakthroughs happen when technology is built with people in mind.\n \nThat was the message at Microsoft Build this month, where we announced a host of new tools to help developers build, dream and create. \n \nIn June’s edition of The Monthly Tech-In, we’re sharing stories from Build and beyond about the developers, founders and communities who are using AI to tackle real-world challenges, from helping creators protect their work to advancing more inclusive AI systems.\n \nRead more about the people and innovations who are shaping what's next:",
    "publishedAt": "2026-07-04 13:19:24",
    "author": {
      "name": "Microsoft",
      "headline": "28,652,029 followers",
      "url": "https://www.linkedin.com/company/microsoft/posts"
    },
    "engagement": {
      "likes": 1012,
      "comments": 82,
      "reposts": 49
    }
  }
}

Billing metadata (credits charged, cache hit/miss) is returned in the X-Captapi-Credits and X-Captapi-Cache response headers.

Request parameters

NameTypeRequiredDescription
urlstring YesLinkedIn post or activity URL. The URL platform must match this endpoint's platform. Do not pass cross-platform URLs, e.g. YouTube to TikTok, Instagram to Facebook, LinkedIn to X/Twitter, or Pinterest to Rumble.
cachebooleanNoSet true to serve from the 24h response cache. Default false — always fetch fresh data.

Frequently asked questions

What does the LinkedIn Post Details API do?

The LinkedIn Post Details API lets you fetch full metadata and key stats from a public LinkedIn post using one GET request to /v1/linkedin/post-details. It returns clean JSON — no OAuth or infrastructure setup required.

How many credits does the LinkedIn Post Details API cost?

Each successful call costs 1 credit. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Failed or empty results are never charged.

Do I need a LinkedIn API key or OAuth?

No. A single Captapi key works across every platform Captapi supports — YouTube, TikTok, Instagram, Facebook, Twitter/X, Reddit, Threads, Bluesky, Pinterest, LinkedIn, Rumble, Spotify, Kwai, and more. We handle proxies, rate limits, retries, and authentication for you.

Is the LinkedIn Post Details API suitable for production use?

Yes. It is a stable REST endpoint with predictable JSON and automatic retries. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Use it for analytics, monitoring, and content automation.

Ready to get LinkedIn post details?

Start free with 100 credits — no credit card required.

Get your free API key