Custom Search Client

microsoft · Developer Tools

Developer Tools No Auth Free & Open developer_tools cloud

The Bing Custom Search API lets you send a search query to Bing and get back search results customized to meet your custom search definition.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET The Custom Search API lets you send a search query to Bing and get back web pages found in your custom view of the web.

The Custom Search API lets you send a search query to Bing and get back web pages found in your custom view of the web.

https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-CustomSearch/1.0/search?q=test&cc=example&mkt=en-us&count=10&offset=0&setLang=example&safeSearch=Off&textFormat=Raw&customConfig=example&textDecorations=true

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-CustomSearch/1.0/search?q=test&cc=example&mkt=en-us&count=10&offset=0&setLang=example&safeSearch=Off&textFormat=Raw&customConfig=example&textDecorations=true" \
  -H "X-BingApis-SDK: true"

import requests
params = {
    "q": "test",
    "cc": "example",
    "mkt": "en-us",
    "count": "10",
    "offset": "0",
    "setLang": "example",
    "safeSearch": "Off",
    "textFormat": "Raw",
    "customConfig": "example",
    "textDecorations": "true"
}
headers = {
    "X-BingApis-SDK": "true"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-CustomSearch/1.0/search",
    params=params,
    headers=headers,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/microsoft.com/cognitiveservices-CustomSearch/1.0/search');
url.searchParams.set('q', 'test');
url.searchParams.set('cc', 'example');
url.searchParams.set('mkt', 'en-us');
url.searchParams.set('count', '10');
url.searchParams.set('offset', '0');
url.searchParams.set('setLang', 'example');
url.searchParams.set('safeSearch', 'Off');
url.searchParams.set('textFormat', 'Raw');
url.searchParams.set('customConfig', 'example');
url.searchParams.set('textDecorations', 'true');

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-CustomSearch/1.0/search")
	q := baseURL.Query()
	q.Set("q", "test")
	q.Set("cc", "example")
	q.Set("mkt", "en-us")
	q.Set("count", "10")
	q.Set("offset", "0")
	q.Set("setLang", "example")
	q.Set("safeSearch", "Off")
	q.Set("textFormat", "Raw")
	q.Set("customConfig", "example")
	q.Set("textDecorations", "true")
	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-CustomSearch/1.0/search")
uri.query = URI.encode_www_form({
  "q" => "test",
  "cc" => "example",
  "mkt" => "en-us",
  "count" => "10",
  "offset" => "0",
  "setLang" => "example",
  "safeSearch" => "Off",
  "textFormat" => "Raw",
  "customConfig" => "example",
  "textDecorations" => "true"
})

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-CustomSearch/1.0/search?" . http_build_query([
    "q" => "test",
    "cc" => "example",
    "mkt" => "en-us",
    "count" => "10",
    "offset" => "0",
    "setLang" => "example",
    "safeSearch" => "Off",
    "textFormat" => "Raw",
    "customConfig" => "example",
    "textDecorations" => "true"
]);
$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 Custom Search Client?

Custom 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. Custom Search Client is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗