Docs · Google API

Google API

Ads running on Google Search, YouTube, Maps, Play and Shopping, from Google's Ads Transparency Center.

Overview

Find any advertiser in Google's public Ads Transparency Center, list every ad they run, and pull the detail of one ad. Great for competitor research on Google Ads and YouTube.

Source: adstransparency.google.com.

Try it live

Pick an endpoint and run it: real data, no signup, 5 free requests a day.

Endpoint

GET/v1/google/adLibrary/advertisers/search

1 credit per request

Press Run to fetch live data

Results come back as a table you can download as CSV, or as the raw JSON.

Endpoints

Search Google advertisersGET /v1/google/adLibrary/advertisers/search · 1 creditFind an advertiser's Google Ads id by brand name, with how many ads they run, plus matching websites.

Google ads by companyGET /v1/google/company/ads · 1 creditEvery ad an advertiser or website runs on Google Search, YouTube, Maps, Play and Shopping, from the Ads Transparency Center.

Google ad detailsGET /v1/google/ad · 1 creditOne ad from Google's Ads Transparency Center: every version of the creative, where it ran and, for political ads, spend and targeting.

Call it

Every endpoint is a GET with your key in the x-api-key header. For example, Search Google advertisers:

curl

curl "https://api.lurkapi.com/v1/google/adLibrary/advertisers/search?query=nike" \
  -H "x-api-key: YOUR_API_KEY"

Get a free API key

Use it in Claude

Once LurkAPI is connected to Claude, each endpoint is a tool Claude can call:

Tool	What it does
`google_search_advertisers`	Search Google advertisers: Find an advertiser's Google Ads id by brand name, with how many ads they run, plus matching websites.
`google_company_ads`	Google ads by company: Every ad an advertiser or website runs on Google Search, YouTube, Maps, Play and Shopping, from the Ads Transparency Center.
`google_ad`	Google ad details: One ad from Google's Ads Transparency Center: every version of the creative, where it ran and, for political ads, spend and targeting.