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Google Ads Transparency Center

Overview

Method Endpoint Version Description
POST /api/v1/open/search v1 Google Search API endpoint for retrieving search results

Request Headers

Header Type Required Description
Content-Type string Yes Must be set to application/json
Accept string No Response format (defaults to application/json)

Authentication

API Key Authentication

  • Pass the API key as a request parameter: api_key=your_api_key
  • Example: "api_key": "your_api_key_here"

HTTP Status Codes

Code Status Description Retry
200 OK Request successful No

Response Codes

Code Description Retry
200 Request successful No
400100 Unsupported search engine No
400200 The search service is temporarily unavailable. Please try again later No
400300 ForUserQuery contains prohibited content No
400400 No results found, please adjust keywords and try again No
400500 Authorization failed, please check your API credentials No
400600 The request frequency is too high, please try again later No
400700 You have reached the daily search limit No
400710 Insufficient Balance No

Request Parameters

Parameter Type Required Description Default
api_key string Yes API key for authentication
engine string Yes Search engine type, currently engine value is google_ads_transparency_center google
advertiser_id string Yes Parameter defines the Google Advertiser ID. It can be found in the Ads Transparency Center advertiser URL. For example, the advertiser ID for the URL https://adstransparency.google.com/advertiser/AR17828074650563772417 is AR17828074650563772417(Tesla Inc). It accepts either a single ID or multiple IDs separated by commas (,). Example, Single ID: AR17828074650563772417 Multple IDs: AR17828074650563772417,AR03911981557522366465,... Alternatively, text can be used for free-text search.
text string No Parameter defines the text you want to search, typically related to a domain search within the context of Google Ads. You can use anything that you would normally use in a standard Google Ads Transparency Center search. It can be used as an alternative to advertiser_id. The advertiser_id can be optional when text is present.
platform string No Parameter defines the target platform where ads are displayed. When not set, it will return results from all platforms (default). Available options: PLAY - Google Play, MAPS - Google Maps, SEARCH - Google Search, SHOPPING - Google Shopping, YOUTUBE - YouTube.
political_ads string No The parameter determine if the advertiser promotes political advertisement. Political advertisement is a different category than regular advetisements, and will not appear on the results unless this parameter is set to true. If this parameter is set to true, only political advertisements will appear on the results. By default it is false. This parameter can only be used alonside with the region parameter. false
region string No Parameter defines from where you want the search to originate. By default it search results from anywhere. Head to the Google Ads Transparency Center Regions for a full list of supported regions.
start_date string No Parameter defines the start date of time period you want to limit the search to. This parameter can't be used with time parameters. start_date with blank end_date produces date range FROM start_date TO today. This parameter overrides cdr and cd_min components of tbs parameter.
end_date string No Parameter defines the end date of time period you want to limit the search to. This parameter can't be used with time parameters. end_date with blank start_date produces date range BEFORE end_date. This parameter overrides cdr and cd_max components of tbs parameter.
creative_format string No Parameter defines the format you want to filter by. Only search results with a similar format will be returned. Available options: text - Text, image - Image, video - Video
num number No Parameter defines the maximum number of results to return. (e.g., 40 (default) returns 40 results and 100 returns 100 results).
next_page_token string No Parameter defines the next page token. It is used for retrieving the next page results.
html string No Whether to return HTML format, 1-yes, 0-no 0

Response Example

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{
  "reqId": "1984168106343272448",
  "code": 200,
  "msg": "OK",
  "data": {
    "search_metadata": {
      "raw_html_file": "oss_html",
      "total_time_taken": 1.768001541,
      "id": "1984168106343272448",
      "json_endpoint": "oss_json",
      "created_at": "2025-10-31 15:58:35",
      "processed_at": "2025-10-31 15:58:39",
      "google_url": "https://adstransparency.google.com/advertiser/AR07223290584121737217",
      "status": "Success"
    },
    "search_information": {
      "time_taken_displayed": 0.076,
      "total_results": "",
    },
    "search_parameters": {
      "engine": "google_ads_transparency_center",
      "html": "0",
      "google_domain": "adstransparency.google.com",
      "q": "AR07223290584121737217",
      "advertiser_id": "AR07223290584121737217",
    },
    "ad_creatives": [
        {
            "advertiser_id": "AR07223290584121737217",
            "advertiser": "Bloomberg L.P",
            "ad_creative_id": "CR14106866074221805569",
            "format": "image",
            "image": "https://i.ytimg.com/vi/3YcKLd410tw/hqdefault.jpg",
            "width": "480",
            "height": "360",
            "details_link": "https://adstransparency.google.com/advertiser/AR07223290584121737217/creative/CR14106866074221805569?region=MY"
        }
    ]
  }
}

Complete Response Parameters Overview

search_metadata

object Contains metadata about the search execution

Parameter Type Description Applicable Terminal
id string Unique identifier for the search request
json_endpoint string Provide an interface endpoint for searching related JSON data, through which JSON-formatted search data can be obtained
created_at string The timestamp when the search request was created, recording the time when the search was initiated
processed_at string The timestamp when the search results were processed and became available for return, recording the time point from processing to completion of the search
google_url string The Google search URL, which contains the search keyword "coffee" along with language parameters (hl=en for English), regional parameters (gl=us for the United States), and other search parameters, used to redirect to the corresponding Google search page
status string Status of the search execution (e.g., Success)
raw_html_file string Identifier for the original HTML file
total_time_taken number The total time spent on the entire search process (including request sending, result parsing, and other stages)

search_information

object Contains information about the search results

Parameter Type Description Applicable Terminal
time_taken_displayed number TDisplay time (i.e., the time spent on displaying the search results)
total_results string Total results count (the total number of results returned by this search)

search_parameters

object Contains the parameters used for the search

Parameter Type Description Applicable Terminal
engine string Search engine used for this query (e.g., google_web)
google_domain string Specifies the corresponding Google domain (e.g., google.com, etc., used to distinguish Google services in different regions/locales)
html string When HTML=0, returns JSON; when HTML=1, returns HTML; when HTML=2, returns both JSON and HTML
advertiser_id number Google Advertiser ID for this query (found in the advertiser URL within the Ad Transparency Center)
q string ‌same as the advertiser_id parameter

ad_creatives

object[] Ads Transparency Center‌ (ad transparency and disclosure-related content)

Parameter Type Description Applicable Terminal
advertiser_id string Advertiser Unique ID‌ (used to distinguish between different advertising entities in the ad system)
advertiser string Advertiser's name, i.e., the entity that places the advertisement
ad_creative_id string Unique identifier for a single ad creative, used for locating and managing specific ad creative content
format string Ad creative presentation format
image string Image format ad creative resource link
width string Image ad creative width
height string Image ad creative height
details_link string Ad creative transparency details link, which leads to more information about the advertisement