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AWS Key Management Service

amazonaws · Cloud

Cloud No Auth Free & Open cloud

Key Management Service Key Management Service (KMS) is an encryption and key management web service. This guide describes the KMS operations that you can call programmatically. For general information about KMS, see the Key Management Service Developer Guide . KMS has replaced the term customer master key (CMK) with KMS key and KMS key . The concept has not chang

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

POST DescribeCustomKeyStores

Gets information about custom key stores in the account and Region. This operation is part of the <a href="https://docs.aws.amazon.com/kms/latest/developerguide/custom-key-store-overview.htm

https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores?Limit=10&Marker=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request
X-Amz-Target TrentService.DescribeCustomKeyStores
curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores?Limit=10&Marker=example" \
  -H "X-Amz-Target: TrentService.DescribeCustomKeyStores"
import requests
params = {
    "Limit": "10",
    "Marker": "example"
}
headers = {
    "X-Amz-Target": "TrentService.DescribeCustomKeyStores"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores",
    params=params,
    headers=headers,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores');
url.searchParams.set('Limit', '10');
url.searchParams.set('Marker', 'example');

const response = await fetch(url, {
  method: 'POST',
  headers: {
    'X-Amz-Target': 'TrentService.DescribeCustomKeyStores'
  },
}); 
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/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores")
	q := baseURL.Query()
	q.Set("Limit", "10")
	q.Set("Marker", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", targetURL, nil)
	req.Header.Set("X-Amz-Target", "TrentService.DescribeCustomKeyStores")

	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/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores")
uri.query = URI.encode_www_form({
  "Limit" => "10",
  "Marker" => "example"
})

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

req = Net::HTTP::Post.new(uri)
req["X-Amz-Target"] = "TrentService.DescribeCustomKeyStores"

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.DescribeCustomKeyStores?" . http_build_query([
    "Limit" => "10",
    "Marker" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
    "header" => implode("\r\n", [
        "X-Amz-Target: TrentService.DescribeCustomKeyStores"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
POST ListAliases

Gets a list of aliases in the caller's Amazon Web Services account and region. For more information about aliases, see CreateAlias . By default, the ListAliases operation returns all aliases in the account and region. To get only the aliases associated with a particular

https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases?Limit=10&Marker=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request
X-Amz-Target TrentService.ListAliases
curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases?Limit=10&Marker=example" \
  -H "X-Amz-Target: TrentService.ListAliases"
import requests
params = {
    "Limit": "10",
    "Marker": "example"
}
headers = {
    "X-Amz-Target": "TrentService.ListAliases"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases",
    params=params,
    headers=headers,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases');
url.searchParams.set('Limit', '10');
url.searchParams.set('Marker', 'example');

const response = await fetch(url, {
  method: 'POST',
  headers: {
    'X-Amz-Target': 'TrentService.ListAliases'
  },
}); 
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/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases")
	q := baseURL.Query()
	q.Set("Limit", "10")
	q.Set("Marker", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", targetURL, nil)
	req.Header.Set("X-Amz-Target", "TrentService.ListAliases")

	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/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases")
uri.query = URI.encode_www_form({
  "Limit" => "10",
  "Marker" => "example"
})

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

req = Net::HTTP::Post.new(uri)
req["X-Amz-Target"] = "TrentService.ListAliases"

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListAliases?" . http_build_query([
    "Limit" => "10",
    "Marker" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
    "header" => implode("\r\n", [
        "X-Amz-Target: TrentService.ListAliases"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
POST ListGrants

Gets a list of all grants for the specified KMS key. You must specify the KMS key in all requests. You can filter the grant list by grant ID or grantee principal. For detailed information about grants, including grant terminology, see <a href="https://docs.aws.amazon.com/kms/latest

https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants?Limit=10&Marker=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request
X-Amz-Target TrentService.ListGrants
curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants?Limit=10&Marker=example" \
  -H "X-Amz-Target: TrentService.ListGrants"
import requests
params = {
    "Limit": "10",
    "Marker": "example"
}
headers = {
    "X-Amz-Target": "TrentService.ListGrants"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants",
    params=params,
    headers=headers,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants');
url.searchParams.set('Limit', '10');
url.searchParams.set('Marker', 'example');

const response = await fetch(url, {
  method: 'POST',
  headers: {
    'X-Amz-Target': 'TrentService.ListGrants'
  },
}); 
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/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants")
	q := baseURL.Query()
	q.Set("Limit", "10")
	q.Set("Marker", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", targetURL, nil)
	req.Header.Set("X-Amz-Target", "TrentService.ListGrants")

	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/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants")
uri.query = URI.encode_www_form({
  "Limit" => "10",
  "Marker" => "example"
})

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

req = Net::HTTP::Post.new(uri)
req["X-Amz-Target"] = "TrentService.ListGrants"

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/kms/2014-11-01/#X-Amz-Target=TrentService.ListGrants?" . http_build_query([
    "Limit" => "10",
    "Marker" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
    "header" => implode("\r\n", [
        "X-Amz-Target: TrentService.ListGrants"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. See official documentation for authentication and setup.

What can you build with AWS Key Management Service?

AWS Key Management Service 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 Key Management Service 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?

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