API Discovery Service

googleapis · Analytics

Analytics No Auth Free & Open analytics media

Provides information about other Google APIs, such as what APIs are available, the resource, and method details for each API.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET discovery.apis.list

Retrieve the list of APIs supported at this endpoint.

https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis?alt=json&key=YOUR_API_KEY&name=test&fields=example&userIp=example&preferred=true&quotaUser=example&oauth_token=example&prettyPrint=true

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis?alt=json&key=YOUR_API_KEY&name=test&fields=example&userIp=example&preferred=true&quotaUser=example&oauth_token=example&prettyPrint=true"

import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "name": "test",
    "fields": "example",
    "userIp": "example",
    "preferred": "true",
    "quotaUser": "example",
    "oauth_token": "example",
    "prettyPrint": "true"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis');
url.searchParams.set('alt', 'json');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('name', 'test');
url.searchParams.set('fields', 'example');
url.searchParams.set('userIp', 'example');
url.searchParams.set('preferred', 'true');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');

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/discovery/v1/apis")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("name", "test")
	q.Set("fields", "example")
	q.Set("userIp", "example")
	q.Set("preferred", "true")
	q.Set("quotaUser", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	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/discovery/v1/apis")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "name" => "test",
  "fields" => "example",
  "userIp" => "example",
  "preferred" => "true",
  "quotaUser" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true"
})

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/discovery/v1/apis?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "name" => "test",
    "fields" => "example",
    "userIp" => "example",
    "preferred" => "true",
    "quotaUser" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET discovery.apis.getRest

Retrieve the description of a particular version of an api.

https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis/{api}/{version}/rest?alt=json&key=YOUR_API_KEY&fields=example&userIp=example&quotaUser=example&oauth_token=example&prettyPrint=true

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis/{api}/{version}/rest?alt=json&key=YOUR_API_KEY&fields=example&userIp=example&quotaUser=example&oauth_token=example&prettyPrint=true"

import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "fields": "example",
    "userIp": "example",
    "quotaUser": "example",
    "oauth_token": "example",
    "prettyPrint": "true"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis/{api}/{version}/rest",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/discovery/v1/apis/{api}/{version}/rest');
url.searchParams.set('alt', 'json');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('fields', 'example');
url.searchParams.set('userIp', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');

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/discovery/v1/apis/{api}/{version}/rest")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("fields", "example")
	q.Set("userIp", "example")
	q.Set("quotaUser", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	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/discovery/v1/apis/{api}/{version}/rest")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "fields" => "example",
  "userIp" => "example",
  "quotaUser" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true"
})

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/discovery/v1/apis/{api}/{version}/rest?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "fields" => "example",
    "userIp" => "example",
    "quotaUser" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true"
]);
$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 API Discovery Service?

API Discovery Service 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. API Discovery Service is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗