LinkedIn Post Details API
Get a LinkedIn post — text, author, reactions, and comments count as structured JSON.
GET request to /v1/linkedin/post-details that responds with clean JSON and costs 1 credit. Pass cache=true for a free 24h cache hit; default is always fresh. Start with 100 free credits — no credit card.What is the LinkedIn Post Details API?
The LinkedIn Post Details API lets you fetch full metadata and key stats for LinkedIn post details with a single REST call. No OAuth, no infrastructure to maintain, and no platform SDKs — send the request, get clean structured JSON back. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh.
What you get
- Post Details fields as clean structured JSON
- IDs, URLs, and titles where the platform exposes them
- Engagement or popularity signals when available
- Stable IDs for joining with other endpoints
Try it
Fill in the parameters below and copy a ready-to-run request, or open the live Playground to run it against your account (no API key paste).
Parameters
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_..."Edit the parameters and the code updates instantly. Switch languages and hit copy.
Example response
{
"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 is returned in response headers: X-Captapi-Credits (credits charged), X-Captapi-Cache (hit or miss), and X-Captapi-Source. Failed requests (4xx/5xx) are never charged. See the full list of error codes in the error reference.
Response structure
A successful call returns success, cached, creditsUsed, and a data object with the following fields:
Top-level fields
platformPlatform identifier (e.g. youtube, instagram).typeContent type of the item.urlCanonical URL of the item.textText content.publishedAtPublish date (ISO 8601).
Author
The author object contains:
nameName of the item or account.headlineProfile headline.urlCanonical URL of the item.
Engagement
The engagement object contains:
likesLike count.commentsComment count.repostsRepost count.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| url | string | Yes | LinkedIn 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. |
| cache | boolean | No | Set true to serve from the 24h response cache. Default false — always fetch fresh data. |
Authentication: send your key as Authorization: Bearer capt_live_.... A typical call costs 1 credit. Pass cache=true for a free 24h cache hit; default is always fresh.
linkedin_post_details via @captapi/mcp. Set it up →How it works
- 1. Sign up — get 100 free credits, no card required.
- 2. Create a key from your dashboard.
- 3. Send one request to
/v1/linkedin/post-detailsand parse the JSON response.
Use cases
Analytics
Track views, likes, and engagement over time.
Competitor Monitoring
Benchmark the performance of other creators.
Dashboards
Power reporting and BI with real metadata.
Content Curation
Filter and rank videos by performance.
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.
More LinkedIn APIs
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