Calendar API

googleapis · Analytics

Analytics No Auth Free & Open analytics media

Manipulates events and other calendar data.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET calendar.colors.get

Returns the color definitions for calendars and events.

https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/colors?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/calendar/v3/colors?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/calendar/v3/colors",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/colors');
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/calendar/v3/colors")
	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/calendar/v3/colors")
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/calendar/v3/colors?" . 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));

GET calendar.calendarList.list

Returns the calendars on the user's calendar list.

https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/calendarList?alt=json&key=YOUR_API_KEY&fields=example&userIp=example&pageToken=example&quotaUser=example&syncToken=example&maxResults=1&showHidden=true&oauth_token=example&prettyPrint=true&showDeleted=true&minAccessRole=freeBusyReader

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/calendarList?alt=json&key=YOUR_API_KEY&fields=example&userIp=example&pageToken=example&quotaUser=example&syncToken=example&maxResults=1&showHidden=true&oauth_token=example&prettyPrint=true&showDeleted=true&minAccessRole=freeBusyReader"

import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "fields": "example",
    "userIp": "example",
    "pageToken": "example",
    "quotaUser": "example",
    "syncToken": "example",
    "maxResults": "1",
    "showHidden": "true",
    "oauth_token": "example",
    "prettyPrint": "true",
    "showDeleted": "true",
    "minAccessRole": "freeBusyReader"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/calendarList",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/calendarList');
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('pageToken', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('syncToken', 'example');
url.searchParams.set('maxResults', '1');
url.searchParams.set('showHidden', 'true');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');
url.searchParams.set('showDeleted', 'true');
url.searchParams.set('minAccessRole', 'freeBusyReader');

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/calendar/v3/users/me/calendarList")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("fields", "example")
	q.Set("userIp", "example")
	q.Set("pageToken", "example")
	q.Set("quotaUser", "example")
	q.Set("syncToken", "example")
	q.Set("maxResults", "1")
	q.Set("showHidden", "true")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	q.Set("showDeleted", "true")
	q.Set("minAccessRole", "freeBusyReader")
	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/calendar/v3/users/me/calendarList")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "fields" => "example",
  "userIp" => "example",
  "pageToken" => "example",
  "quotaUser" => "example",
  "syncToken" => "example",
  "maxResults" => "1",
  "showHidden" => "true",
  "oauth_token" => "example",
  "prettyPrint" => "true",
  "showDeleted" => "true",
  "minAccessRole" => "freeBusyReader"
})

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/calendar/v3/users/me/calendarList?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "fields" => "example",
    "userIp" => "example",
    "pageToken" => "example",
    "quotaUser" => "example",
    "syncToken" => "example",
    "maxResults" => "1",
    "showHidden" => "true",
    "oauth_token" => "example",
    "prettyPrint" => "true",
    "showDeleted" => "true",
    "minAccessRole" => "freeBusyReader"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET calendar.settings.list

Returns all user settings for the authenticated user.

https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/settings?alt=json&key=YOUR_API_KEY&fields=example&userIp=example&pageToken=example&quotaUser=example&syncToken=example&maxResults=1&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/calendar/v3/users/me/settings?alt=json&key=YOUR_API_KEY&fields=example&userIp=example&pageToken=example&quotaUser=example&syncToken=example&maxResults=1&oauth_token=example&prettyPrint=true"

import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "fields": "example",
    "userIp": "example",
    "pageToken": "example",
    "quotaUser": "example",
    "syncToken": "example",
    "maxResults": "1",
    "oauth_token": "example",
    "prettyPrint": "true"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/settings",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/users/me/settings');
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('pageToken', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('syncToken', 'example');
url.searchParams.set('maxResults', '1');
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/calendar/v3/users/me/settings")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("fields", "example")
	q.Set("userIp", "example")
	q.Set("pageToken", "example")
	q.Set("quotaUser", "example")
	q.Set("syncToken", "example")
	q.Set("maxResults", "1")
	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/calendar/v3/users/me/settings")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "fields" => "example",
  "userIp" => "example",
  "pageToken" => "example",
  "quotaUser" => "example",
  "syncToken" => "example",
  "maxResults" => "1",
  "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/calendar/v3/users/me/settings?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "fields" => "example",
    "userIp" => "example",
    "pageToken" => "example",
    "quotaUser" => "example",
    "syncToken" => "example",
    "maxResults" => "1",
    "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 Calendar API?

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

New to APIs? Read our beginner's guide

Open documentation ↗