How to get Google Ad Library ad details
GET request to /v1/ad-library/google/ad-details with your input. You get clean JSON back in seconds for 2 credits per call — no OAuth, scraping or platform SDKs. One Google ATC creative by AR…+CR… — text/headline/impressions + countries[] ISO (not an alias of company-ads).How to get Google Ad Library 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%2FCR13596485266373083137" \
-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 (0 credits on hit). Default false — always fetch fresh. Envelope includes cached + cachedAt on hits. |
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 Google 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 2 credits. Pass cache=true to serve from the 24h cache (0 credits on hit); default is always fresh. Hits include cached + cachedAt. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d. Failed or empty results are never charged.
Do I need a Google 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 cache (0 credits on hit); default is always fresh. Hits include cached + cachedAt. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d. Use it for analytics, monitoring, and content automation.
Ready to get Google Ad Library ad details?
Start free with 100 credits — no credit card required.
Get your free API key