How to get Ad Library google ad details
GET request to /v1/ad-library/google/ad-details with your input. You get clean JSON back in seconds for 17 credits per call — no OAuth, scraping or platform SDKs. Get a Google Ads Transparency ad — creative, advertiser, and delivery fields as structured JSON.How to get Ad Library google ad details (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 Google Ad Details API
Send an authenticated GET request to /v1/ad-library/google/ad-details 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/google/ad-details?creative_id=https%3A%2F%2Fadstransparency.google.com%2Fadvertiser%2FAR16735076323512287233%2Fcreative%2FCR10754779872199966721" \
-H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."What the response looks like
{
"success": true,
"data": {
"platform": "google_ad_library",
"id": "CR08395356613392728065",
"url": "https://adstransparency.google.com/advertiser/AR18378488041124659201/creative/CR08395356613392728065",
"text": "Discover {KeyWord:Nike Shoes} Online At Nike.com. Shop The Official Nike Site.",
"headline": "{KeyWord:Nike Vomero}",
"landingUrl": "nike.com",
"adFormat": "text",
"firstShown": "2025-09-19T13:04:37.000Z",
"lastShown": "2026-07-23T06:18:08.000Z",
"impressions": "7000-8000",
"country": "Malta, United Arab Emirates, Cyprus, Belgium, United Kingdom, Czechia, Hungary, United States, Iceland, Ireland, Italy, Sweden, India, Spain, Greece, Croatia, Bulgaria, Portugal, Denmark, Lithuania, Poland, Netherlands, Germany, Australia, Norway, France, Romania",
"advertiser": {
"id": "AR18378488041124659201",
"name": "Nike Retail BV",
"url": "https://adstransparency.google.com/advertiser/AR18378488041124659201"
},
"media": []
}
}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 |
|---|---|---|---|
| creative_id | string | Yes | Google Ads Transparency URL containing AR... advertiser and CR... creative IDs. |
| country | string | No | Two-letter ISO country code. Default US. |
| cache | boolean | No | Set true to serve from the 24h response cache. Default false — always fetch fresh data. |
Frequently asked questions
What does the Google Ad Details API do?
The Google Ad Details API lets you fetch full metadata and key stats from a public Ad Library ad using one GET request to /v1/ad-library/google/ad-details. It returns clean JSON — no OAuth or infrastructure setup required.
How many credits does the Google Ad Details API cost?
Each successful call costs 17 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 Google Ad 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 Ad Library google ad details?
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Get your free API key