Knowledge Graph Search API

googleapis · Analytics

Analytics No Auth Free & Open analytics media

Searches the Google Knowledge Graph for entities.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET kgsearch.entities.search

Searches Knowledge Graph for entities that match the constraints. A list of matched entities will be returned in response, which will be in JSON-LD format and compatible with http://schema.org

https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search?alt=json&ids=example&key=YOUR_API_KEY&limit=10&query=test&types=example&fields=example&indent=true&prefix=true&$.xgafv=1&callback=example&languages=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search?alt=json&ids=example&key=YOUR_API_KEY&limit=10&query=test&types=example&fields=example&indent=true&prefix=true&$.xgafv=1&callback=example&languages=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example"

import requests
params = {
    "alt": "json",
    "ids": "example",
    "key": "YOUR_API_KEY",
    "limit": "10",
    "query": "test",
    "types": "example",
    "fields": "example",
    "indent": "true",
    "prefix": "true",
    "$.xgafv": "1",
    "callback": "example",
    "languages": "example",
    "quotaUser": "example",
    "uploadType": "example",
    "oauth_token": "example",
    "prettyPrint": "true",
    "access_token": "example",
    "upload_protocol": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search');
url.searchParams.set('alt', 'json');
url.searchParams.set('ids', 'example');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('limit', '10');
url.searchParams.set('query', 'test');
url.searchParams.set('types', 'example');
url.searchParams.set('fields', 'example');
url.searchParams.set('indent', 'true');
url.searchParams.set('prefix', 'true');
url.searchParams.set('$.xgafv', '1');
url.searchParams.set('callback', 'example');
url.searchParams.set('languages', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('uploadType', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');
url.searchParams.set('access_token', 'example');
url.searchParams.set('upload_protocol', 'example');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("ids", "example")
	q.Set("key", "YOUR_API_KEY")
	q.Set("limit", "10")
	q.Set("query", "test")
	q.Set("types", "example")
	q.Set("fields", "example")
	q.Set("indent", "true")
	q.Set("prefix", "true")
	q.Set("$.xgafv", "1")
	q.Set("callback", "example")
	q.Set("languages", "example")
	q.Set("quotaUser", "example")
	q.Set("uploadType", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	q.Set("access_token", "example")
	q.Set("upload_protocol", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "ids" => "example",
  "key" => "YOUR_API_KEY",
  "limit" => "10",
  "query" => "test",
  "types" => "example",
  "fields" => "example",
  "indent" => "true",
  "prefix" => "true",
  "$.xgafv" => "1",
  "callback" => "example",
  "languages" => "example",
  "quotaUser" => "example",
  "uploadType" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true",
  "access_token" => "example",
  "upload_protocol" => "example"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/googleapis.com/kgsearch/v1/v1/entities:search?" . http_build_query([
    "alt" => "json",
    "ids" => "example",
    "key" => "YOUR_API_KEY",
    "limit" => "10",
    "query" => "test",
    "types" => "example",
    "fields" => "example",
    "indent" => "true",
    "prefix" => "true",
    "$.xgafv" => "1",
    "callback" => "example",
    "languages" => "example",
    "quotaUser" => "example",
    "uploadType" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true",
    "access_token" => "example",
    "upload_protocol" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with Knowledge Graph Search API?

Knowledge Graph Search API is a Analytics API. Developers commonly use analytics APIs for:

tracking product usage and user behaviour
building custom reporting and BI dashboards
measuring marketing and campaign performance
running funnel, retention, and cohort analysis
aggregating metrics from multiple data sources

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Knowledge Graph Search API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗