UUID Generation API

fungenerators · Company

Company No Auth Free & Open text

A full featured, REST based UUID generator with json/xml/jsonp result support. You can try them out right here. [Click here to subscribe](http://fungenerators.com/api/uuid/)

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GET /uuid

Generate a random UUID (v4).

https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid?count=10

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid?count=10"

import requests
params = {
    "count": "10"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid');
url.searchParams.set('count', '10');

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/fungenerators.com/uuid/1.5/uuid")
	q := baseURL.Query()
	q.Set("count", "10")
	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/fungenerators.com/uuid/1.5/uuid")
uri.query = URI.encode_www_form({
  "count" => "10"
})

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/fungenerators.com/uuid/1.5/uuid?" . http_build_query([
    "count" => "10"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET GET /uuid/version/{version}

Generate a random UUID (v4).

https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid/version/{version}?text=example&type=json&count=10

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid/version/{version}?text=example&type=json&count=10"

import requests
params = {
    "text": "example",
    "type": "json",
    "count": "10"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid/version/{version}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid/version/{version}');
url.searchParams.set('text', 'example');
url.searchParams.set('type', 'json');
url.searchParams.set('count', '10');

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/fungenerators.com/uuid/1.5/uuid/version/{version}")
	q := baseURL.Query()
	q.Set("text", "example")
	q.Set("type", "json")
	q.Set("count", "10")
	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/fungenerators.com/uuid/1.5/uuid/version/{version}")
uri.query = URI.encode_www_form({
  "text" => "example",
  "type" => "json",
  "count" => "10"
})

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/fungenerators.com/uuid/1.5/uuid/version/{version}?" . http_build_query([
    "text" => "example",
    "type" => "json",
    "count" => "10"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST POST /uuid

Parse a UUID string and return its version and check whether it is valid.

https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid?uuidstr=example

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid?uuidstr=example"

import requests
params = {
    "uuidstr": "example"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid');
url.searchParams.set('uuidstr', 'example');

const response = await fetch(url, {
  method: 'POST',
}); 
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/fungenerators.com/uuid/1.5/uuid")
	q := baseURL.Query()
	q.Set("uuidstr", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", 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/fungenerators.com/uuid/1.5/uuid")
uri.query = URI.encode_www_form({
  "uuidstr" => "example"
})

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

req = Net::HTTP::Post.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/fungenerators.com/uuid/1.5/uuid?" . http_build_query([
    "uuidstr" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($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 UUID Generation API?

UUID Generation API is a Company API. Developers commonly use company APIs for:

enriching CRM records with company firmographics
building lead-generation and prospecting tools
verifying business identity and registration details
monitoring competitors and market intelligence
powering B2B data enrichment pipelines

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. UUID Generation API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗