Ad Library · Guide

How to run a Ad Library linkedin search ads

TL;DR

To run a Ad Library linkedin search ads, sign up for a free Captapi key, then send one GET request to /v1/ad-library/linkedin/search-ads with your input. You get clean JSON back in seconds for 2 credits per call — no OAuth, scraping or platform SDKs. Run a Ad Library linkedin search ads and get structured, ranked results as clean JSON.

Get your free API key API reference

How to run a Ad Library linkedin search ads (step by step)

1
Get a free API key
Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.
2
Call the LinkedIn Ad Library Search API
Send an authenticated GET request to /v1/ad-library/linkedin/search-ads with your input. No OAuth, no scraping setup.
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/ad-library/linkedin/search-ads?q=microsoft" \
  -H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."

What the response looks like

{
  "success": true,
  "data": {
    "query": "microsoft",
    "country": "US",
    "totalReturned": 3,
    "ads": [
      {
        "platform": "linkedin_ad_library",
        "id": "1475728386",
        "url": "https://www.linkedin.com/ad-library/detail/1475728386",
        "text": "The apps you know go further with Copilot. Explore limited time offers today.",
        "adFormat": "Single Image Ad",
        "country": "US",
        "advertiser": {
          "name": "Microsoft 365",
          "logo": "https://media.licdn.com/dms/image/v2/C560BAQGG-2Kb6o7o4A/company-logo_100_100/company-logo_100_100/0/1630592958709/microsoft_office_logo?e=1784764800&v=beta&t=McAvdsqf8HXtZyPU7nS-RGDY-98NHgoC_pwqOw5Gw7k"
        },
        "media": [
          "https://media.licdn.com/dms/image/v2/D4D10AQFWrEKj4VaX3g/image-shrink_1280/B4DZ7vxdWJHgAc-/0/1782139180792/Copilot_LinkedIn-Theme4_USA_1200x1200_PHA_SubTheme4L-SU_SMB-EN_NA_Standard_SBAN_LEA_NA_1jpg?e=2147483647&v=beta&t=nrMFf9aBVU7jPCZrhg2A-V0VMOscElqrqWshkXp_r7Y"
        ]
      },
      {
        "platform": "linkedin_ad_library",
        "id": "1480089046",
        "url": "https://www.linkedin.com/ad-library/detail/1480089046",
        "text": "Celebrate your work. Spotlight your impact. Submit your Microsoft Advertising Partner Award nomination by July 15. https…",
        "adFormat": "Single Image Ad",
        "country": "US",
        "advertiser": {
          "name": "Microsoft Advertising",
          "logo": "https://media.licdn.com/dms/image/v2/C560BAQGCzRbSOXB2wQ/company-logo_100_100/company-logo_100_100/0/1630567794734/bing_ads_logo?e=1784764800&v=beta&t=BzqkDTytrzFb_8OLsQQIBHuGqimMbzavRs88iErL0ck"
        },
        "media": [
          "https://media.licdn.com/dms/image/v2/D5610AQFp6MVJQ_ELIQ/image-shrink_1280/B56Z8FkbnCGcAg-/0/1782504864563/PartnerAwards-Nominationcreative-squarepng?e=2147483647&v=beta&t=UQnA8QEX1N3wDgmKAiG32tPqtzJsUPha7xcw3hMBN_I"
        ]
      },
      {
        "platform": "linkedin_ad_library",
        "id": "1480019596",
        "url": "https://www.linkedin.com/ad-library/detail/1480019596",
        "text": "Celebrate your work. Spotlight your impact. Submit your Microsoft Advertising Partner Award nomination by July 15. https…",
        "adFormat": "Single Image Ad",
        "country": "US",
        "advertiser": {
          "name": "Microsoft Advertising",
          "logo": "https://media.licdn.com/dms/image/v2/C560BAQGCzRbSOXB2wQ/company-logo_100_100/company-logo_100_100/0/1630567794734/bing_ads_logo?e=1784764800&v=beta&t=BzqkDTytrzFb_8OLsQQIBHuGqimMbzavRs88iErL0ck"
        },
        "media": [
          "https://media.licdn.com/dms/image/v2/D5610AQFMsObBoXKilg/image_627_1200/B4DZ8AkxjpHQAQ-/0/1782421068868/PartnerAwardnominationpng?e=2147483647&v=beta&t=gCPJRZXnj1LOvGwC87qEbjzYvvDhHtfHA1xd9ZBTYe8"
        ]
      }
    ]
  }
}

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

Request parameters

Name	Type	Required	Description
q	string	Yes	Keyword, company, or advertiser to search LinkedIn Ad Library (min 2 characters).
country	string	No	Two-letter ISO country code. Default US.
limit	integer	No	Max items to return (default 20, max 200). Billed per result.
cache	boolean	No	Set true to serve from the 24h response cache. Default false — always fetch fresh data.

Frequently asked questions

What does the LinkedIn Ad Library Search API do?

The LinkedIn Ad Library Search API lets you search and return matching results from a public Ad Library query using one GET request to /v1/ad-library/linkedin/search-ads. It returns clean JSON — no OAuth or infrastructure setup required.

How many credits does the LinkedIn Ad Library Search API cost?

Each successful call costs 2 credits. 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 Ad Library 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 Ad Library Search 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 run a Ad Library linkedin search ads?

Start free with 100 credits — no credit card required.

Get your free API key