Entity Search Client

microsoft · Developer Tools

Developer Tools No Auth Free & Open developer_tools cloud

The Entity Search API lets you send a search query to Bing and get back search results that include entities and places. Place results include restaurants, hotel, or other local businesses. For places, the query can specify the name of the local business or it can ask for a list (for example, restaurants near me). Entity results include persons, places, or things. Place in this context is tourist attractions, states, countries, etc.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET The Entity Search API lets you send a search query to Bing and get back search results that include entities and places. Place results include restaurants, hotel, or other local businesses. For places, the query can specify the name of the local business or it can ask for a list (for example, restaurants near me). Entity results include persons, places, or things. Place in this context is tourist attractions, states, countries, etc.

https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-EntitySearch/1.0/entities?q=test&cc=example&mkt=en-us&SetLang=example&SafeSearch=Off&ResponseFilter=example&ResponseFormat=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request

X-BingApis-SDK

true

curl -X GET "https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-EntitySearch/1.0/entities?q=test&cc=example&mkt=en-us&SetLang=example&SafeSearch=Off&ResponseFilter=example&ResponseFormat=example" \
  -H "X-BingApis-SDK: true"

import requests
params = {
    "q": "test",
    "cc": "example",
    "mkt": "en-us",
    "SetLang": "example",
    "SafeSearch": "Off",
    "ResponseFilter": "example",
    "ResponseFormat": "example"
}
headers = {
    "X-BingApis-SDK": "true"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-EntitySearch/1.0/entities",
    params=params,
    headers=headers,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-EntitySearch/1.0/entities');
url.searchParams.set('q', 'test');
url.searchParams.set('cc', 'example');
url.searchParams.set('mkt', 'en-us');
url.searchParams.set('SetLang', 'example');
url.searchParams.set('SafeSearch', 'Off');
url.searchParams.set('ResponseFilter', 'example');
url.searchParams.set('ResponseFormat', 'example');

const response = await fetch(url, {
  headers: {
    'X-BingApis-SDK': 'true'
  },
}); 
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/microsoft.com/cognitiveservices-EntitySearch/1.0/entities")
	q := baseURL.Query()
	q.Set("q", "test")
	q.Set("cc", "example")
	q.Set("mkt", "en-us")
	q.Set("SetLang", "example")
	q.Set("SafeSearch", "Off")
	q.Set("ResponseFilter", "example")
	q.Set("ResponseFormat", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)
	req.Header.Set("X-BingApis-SDK", "true")

	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/microsoft.com/cognitiveservices-EntitySearch/1.0/entities")
uri.query = URI.encode_www_form({
  "q" => "test",
  "cc" => "example",
  "mkt" => "en-us",
  "SetLang" => "example",
  "SafeSearch" => "Off",
  "ResponseFilter" => "example",
  "ResponseFormat" => "example"
})

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

req = Net::HTTP::Get.new(uri)
req["X-BingApis-SDK"] = "true"

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

<?php
$url = "https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-EntitySearch/1.0/entities?" . http_build_query([
    "q" => "test",
    "cc" => "example",
    "mkt" => "en-us",
    "SetLang" => "example",
    "SafeSearch" => "Off",
    "ResponseFilter" => "example",
    "ResponseFormat" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
    "header" => implode("\r\n", [
        "X-BingApis-SDK: true"
    ]),
]];
$ctx = stream_context_create($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 Entity Search Client?

Entity Search Client is a Developer Tools API. Developers commonly use developer tools APIs for:

automating code review and quality checks
integrating CI/CD pipelines and build systems
managing feature flags and A/B tests
monitoring errors and application performance
generating and validating test data

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

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗