AWS CloudFormation

amazonaws · Cloud

Cloud No Auth Free & Open cloud Sandbox

CloudFormation CloudFormation allows you to create and manage Amazon Web Services infrastructure deployments predictably and repeatedly. You can use CloudFormation to leverage Amazon Web Services products, such as Amazon Elastic Compute Cloud, Amazon Elastic Block Store, Amazon Simple Notification Service, Elastic Load Balancing, and Auto Scaling to build highly reliable, highly scalable, cost-effective applications without creating or configuring the underlying Amazon We

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GET_ActivateType

Activates a public third-party extension, making it available for use in stack templates. For more information, see Using public extensions in the CloudFormation User Guide . Once you ha

https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType?Type=RESOURCE&Action=ActivateType&Version=2010-05-15&TypeName=example&AutoUpdate=true&PublisherId=example&VersionBump=MAJOR&MajorVersion=1&LoggingConfig=example&PublicTypeArn=example&TypeNameAlias=example&ExecutionRoleArn=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType?Type=RESOURCE&Action=ActivateType&Version=2010-05-15&TypeName=example&AutoUpdate=true&PublisherId=example&VersionBump=MAJOR&MajorVersion=1&LoggingConfig=example&PublicTypeArn=example&TypeNameAlias=example&ExecutionRoleArn=example"

import requests
params = {
    "Type": "RESOURCE",
    "Action": "ActivateType",
    "Version": "2010-05-15",
    "TypeName": "example",
    "AutoUpdate": "true",
    "PublisherId": "example",
    "VersionBump": "MAJOR",
    "MajorVersion": "1",
    "LoggingConfig": "example",
    "PublicTypeArn": "example",
    "TypeNameAlias": "example",
    "ExecutionRoleArn": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType');
url.searchParams.set('Type', 'RESOURCE');
url.searchParams.set('Action', 'ActivateType');
url.searchParams.set('Version', '2010-05-15');
url.searchParams.set('TypeName', 'example');
url.searchParams.set('AutoUpdate', 'true');
url.searchParams.set('PublisherId', 'example');
url.searchParams.set('VersionBump', 'MAJOR');
url.searchParams.set('MajorVersion', '1');
url.searchParams.set('LoggingConfig', 'example');
url.searchParams.set('PublicTypeArn', 'example');
url.searchParams.set('TypeNameAlias', 'example');
url.searchParams.set('ExecutionRoleArn', '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/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType")
	q := baseURL.Query()
	q.Set("Type", "RESOURCE")
	q.Set("Action", "ActivateType")
	q.Set("Version", "2010-05-15")
	q.Set("TypeName", "example")
	q.Set("AutoUpdate", "true")
	q.Set("PublisherId", "example")
	q.Set("VersionBump", "MAJOR")
	q.Set("MajorVersion", "1")
	q.Set("LoggingConfig", "example")
	q.Set("PublicTypeArn", "example")
	q.Set("TypeNameAlias", "example")
	q.Set("ExecutionRoleArn", "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/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType")
uri.query = URI.encode_www_form({
  "Type" => "RESOURCE",
  "Action" => "ActivateType",
  "Version" => "2010-05-15",
  "TypeName" => "example",
  "AutoUpdate" => "true",
  "PublisherId" => "example",
  "VersionBump" => "MAJOR",
  "MajorVersion" => "1",
  "LoggingConfig" => "example",
  "PublicTypeArn" => "example",
  "TypeNameAlias" => "example",
  "ExecutionRoleArn" => "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/amazonaws.com/cloudformation/2010-05-15/#Action=ActivateType?" . http_build_query([
    "Type" => "RESOURCE",
    "Action" => "ActivateType",
    "Version" => "2010-05-15",
    "TypeName" => "example",
    "AutoUpdate" => "true",
    "PublisherId" => "example",
    "VersionBump" => "MAJOR",
    "MajorVersion" => "1",
    "LoggingConfig" => "example",
    "PublicTypeArn" => "example",
    "TypeNameAlias" => "example",
    "ExecutionRoleArn" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET GET_BatchDescribeTypeConfigurations

Returns configuration data for the specified CloudFormation extensions, from the CloudFormation registry for the account and region. For more information, see Configur

https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations?Action=BatchDescribeTypeConfigurations&Version=2010-05-15&TypeConfigurationIdentifiers=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations?Action=BatchDescribeTypeConfigurations&Version=2010-05-15&TypeConfigurationIdentifiers=example"

import requests
params = {
    "Action": "BatchDescribeTypeConfigurations",
    "Version": "2010-05-15",
    "TypeConfigurationIdentifiers": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations');
url.searchParams.set('Action', 'BatchDescribeTypeConfigurations');
url.searchParams.set('Version', '2010-05-15');
url.searchParams.set('TypeConfigurationIdentifiers', '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/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations")
	q := baseURL.Query()
	q.Set("Action", "BatchDescribeTypeConfigurations")
	q.Set("Version", "2010-05-15")
	q.Set("TypeConfigurationIdentifiers", "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/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations")
uri.query = URI.encode_www_form({
  "Action" => "BatchDescribeTypeConfigurations",
  "Version" => "2010-05-15",
  "TypeConfigurationIdentifiers" => "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/amazonaws.com/cloudformation/2010-05-15/#Action=BatchDescribeTypeConfigurations?" . http_build_query([
    "Action" => "BatchDescribeTypeConfigurations",
    "Version" => "2010-05-15",
    "TypeConfigurationIdentifiers" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET GET_CancelUpdateStack

Cancels an update on the specified stack. If the call completes successfully, the stack rolls back the update and reverts to the previous stack configuration. You can cancel only stacks that are in the UPDATE_IN_PROGRESS state.

https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack?Action=CancelUpdateStack&Version=2010-05-15&StackName=example&ClientRequestToken=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack?Action=CancelUpdateStack&Version=2010-05-15&StackName=example&ClientRequestToken=example"

import requests
params = {
    "Action": "CancelUpdateStack",
    "Version": "2010-05-15",
    "StackName": "example",
    "ClientRequestToken": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack');
url.searchParams.set('Action', 'CancelUpdateStack');
url.searchParams.set('Version', '2010-05-15');
url.searchParams.set('StackName', 'example');
url.searchParams.set('ClientRequestToken', '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/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack")
	q := baseURL.Query()
	q.Set("Action", "CancelUpdateStack")
	q.Set("Version", "2010-05-15")
	q.Set("StackName", "example")
	q.Set("ClientRequestToken", "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/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack")
uri.query = URI.encode_www_form({
  "Action" => "CancelUpdateStack",
  "Version" => "2010-05-15",
  "StackName" => "example",
  "ClientRequestToken" => "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/amazonaws.com/cloudformation/2010-05-15/#Action=CancelUpdateStack?" . http_build_query([
    "Action" => "CancelUpdateStack",
    "Version" => "2010-05-15",
    "StackName" => "example",
    "ClientRequestToken" => "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 AWS CloudFormation?

AWS CloudFormation is a Cloud API. Developers commonly use cloud APIs for:

provisioning and managing cloud infrastructure
automating deployments and container orchestration
monitoring uptime and performance metrics
managing storage buckets and databases
setting up auto-scaling and load balancing

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. AWS CloudFormation 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 ↗