LinkedIn · Guide

How to run a LinkedIn search posts

TL;DR
To run a LinkedIn search posts, sign up for a free Captapi key, then send one GET request to /v1/linkedin/search-posts with your input. You get clean JSON back in seconds for 16 credits per call — no OAuth, scraping or platform SDKs. Search LinkedIn programmatically and get structured, ranked results.

How to run a LinkedIn search posts (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 Search Posts API

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

  3. 3

    Read the JSON response

    Parse the clean JSON response. Results are cached for 24 hours, so repeat calls are free.

Code example

curl "https://api.captapi.com/v1/linkedin/search-posts?q=skincare" \
  -H "Authorization: Bearer capt_live_..."

What the response looks like

{
  "success": true,
  "cached": false,
  "creditsUsed": 16,
  "data": {
    "query": "artificial intelligence",
    "sort": "relevance",
    "totalReturned": 3,
    "posts": [
      {
        "platform": "linkedin",
        "type": "post",
        "url": "https://www.linkedin.com/posts/activity-7478786553939488769-RXS2?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAGq62dABn0w7ljjWV7evQTTajESZ2A6MvRw",
        "text": "Excited to share that Argonove is building its investment talent pipeline.\n\nWe’re looking for an experienced Investment Associate with a background in infrastructure investing, project finance, investment banking, or digital infrastructure to help support our mission of developing university-anchored AI infrastructure across the United States.\n\nIf you're excited about building an entrepreneurial investment platform from the ground up, I'd love to hear from you.\n\nPlease apply through the LinkedIn posting or feel free to share it with someone who may be a great fit.\n\n#Hiring #Infrastructure #PrivateEquity #DigitalInfrastructure #DataCenters #AI #ProjectFinance #InvestmentBanking",
        "publishedAt": "2026-07-03 14:27:43",
        "author": {
          "name": "Kadidia K.",
          "headline": "Founder & Managing Partner, Argonove Capital | University-Based AI Data Centers | Digital Infrastructure & Energy | NACUBO | PE WIN",
          "url": "https://www.linkedin.com/in/kadidia-konare-mpa?miniProfileUrn=urn%3Ali%3Afsd_profile%3AACoAAAAFUJQBlTyKwlGy6ux43DJOFhjpJyVYy8s"
        },
        "engagement": {
          "likes": 17,
          "comments": 2,
          "reposts": 2
        },
        "id": "7478786553939488769",
        "media": []
      },
      {
        "platform": "linkedin",
        "type": "post",
        "url": "https://www.linkedin.com/posts/anthonyblatner_do-you-love-nerding-out-on-b2b-ads-if-youre-activity-7478812065768370176-tkXx?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAGq62dABn0w7ljjWV7evQTTajESZ2A6MvRw",
        "text": "Do you love nerding out on B2B ads? If you're such a regular LinkedIn pro that you're on over the holiday weekend -- we'd love to talk to you.\n\nWe're looking for more paid media ad experts to join our team. Start with a couple of ad accounts and grow into a full-time role, or stay part-time.\n\n+ Looking for experts in LinkedIn Ads and/or Google Ads\n+ Used to balancing multiple projects\n+ B2B tech experience preferred\n+ Not afraid of Claude Code ⚡️\n\nWe're a LinkedIn Ads Certified Agency and I created the LinkedIn Learning Course on B2B Marketing. Step into a well designed process and bring your creativity.\n\nInterested? Apply via this posting, or shortcut it and DM me a video of why you're interested (bonus points if you walk me through an ad account)",
        "publishedAt": "2026-07-03 16:09:06",
        "author": {
          "name": "Anthony Blatner",
          "headline": "LinkedIn Ads Expert + AI @ Speedwork.io | Top 50 LinkedIn Certified Marketing Expert | LinkedIn Learning Instructor | Ex-IBM | Host, LinkedIn Ads Radio Podcast",
          "url": "https://www.linkedin.com/in/anthonyblatner?miniProfileUrn=urn%3Ali%3Afsd_profile%3AACoAAAPFpZQBjDDSxyZ_MvymTZ77NfF72tVBD0o"
        },
        "engagement": {
          "likes": 16,
          "comments": 1,
          "reposts": 1
        },
        "id": "7478812065768370176",
        "media": []
      },
      {
        "platform": "linkedin",
        "type": "post",
        "url": "https://www.linkedin.com/posts/noah-f-salmeri_salmeri-development-is-looking-for-a-marketing-activity-7478836581336784896-QvaW?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAGq62dABn0w7ljjWV7evQTTajESZ2A6MvRw",
        "text": "Salmeri Development is looking for a Marketing Intern.\n\nThis is a 10 to 15 hour/week internship for a student or early-career candidate who wants hands-on experience in real estate marketing, social media, content creation, business development marketing, and basic performance tracking.\n\nThe role will support Salmeri Development and several connected projects, with the primary focus being Jefferson Hills Condo Development in Jefferson, Wisconsin.\n\nThe intern will help with things like:\n- Creating social media content\n- Drafting captions and simple marketing copy\n- Organizing project photos/videos\n- Supporting condo marketing for Jefferson Hills\n- Helping with LinkedIn, Facebook, Instagram, YouTube, and other platforms as needed\n- Tracking basic marketing performance\n- Turning real project updates into clear, useful content\n\nThis is primarily an unpaid internship, but coffees, lunches, or similar work-related meals may be covered when working in person with leadership.\n\nIdeal fit: someone organized, creative, dependable, and interested in learning how marketing connects to real projects, sales momentum, investor interest, and business growth.\n\nTo apply, send a resume and a short note explaining your interest to noah@salmeridevelopment.com.\n\nExamples of previous social media, writing, design, video, or marketing work are encouraged but not required.",
        "publishedAt": "2026-07-03 17:46:31",
        "author": {
          "name": "Noah F Salmeri",
          "headline": "Entrepreneur | Developer | IB 40 Under 40 Class of 2024",
          "url": "https://www.linkedin.com/in/noah-f-salmeri?miniProfileUrn=urn%3Ali%3Afsd_profile%3AACoAAAvn74sBe4ajbGDcqtTLmq38imcNdCfFlFg"
        },
        "engagement": {
          "likes": 8,
          "comments": null,
          "reposts": 1
        },
        "id": "7478836581336784896",
        "media": []
      }
    ]
  }
}

Request parameters

NameTypeRequiredDescription
qstring YesSearch query or keywords (min 2 characters).
limitintegerNoMax items to return (default 20, max 200). Billed per result.

Frequently asked questions

What does the LinkedIn Search Posts API do?

The LinkedIn Search Posts API lets you search and return matching results from a public LinkedIn query using one GET request to /v1/linkedin/search-posts. It returns clean JSON — no OAuth or scraping setup required.

How many credits does the LinkedIn Search Posts API cost?

Each successful call costs 16 credits. Responses are cached for 24 hours, and cached results cost 0 credits. 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, and Rumble. We handle proxies, rate limits, retries, and authentication for you.

Is the LinkedIn Search Posts API suitable for production use?

Yes. It is a stable REST endpoint with predictable JSON, automatic retries, and a shared 24-hour cache. Use it for RAG pipelines, analytics, monitoring, and content automation.

Ready to run a LinkedIn search posts?

Start free with 100 credits — no credit card required.

Get your free API key