PhantAuth

phantauth · Company

Company No Auth Free & Open API

Random User Generator + OpenID Connect Provider. Like Lorem Ipsum, but for user accounts and authentication. The PhantAuth API documentation is available on the following API documentation sites: - [apiary](https://phantauth.docs.apiary.io) (primary source) - [speca](https://speca.io/phantauth/phantauth) - [PhantAuth Developer Portal](https://www.phantauth.net/api) ### TL;DR **PhantAuth was designed to simplify testing for applications using OpenID Connect authentication by making use of r

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Get a Client

Use this endpoint to generate a random client. The client is generated in a deterministic way, on the bases of the client ID given as a path parameter. In the case of identical client IDs, the endpoint will generate the same client object. The properties of the generated client object are randomly g

https://api.apis.guru/v2/specs/phantauth.net/1.0.0/client/{client_id}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/client/{client_id}"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/client/{client_id}",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/phantauth.net/1.0.0/client/{client_id}';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/client/{client_id}"
	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/phantauth.net/1.0.0/client/{client_id}")

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/phantauth.net/1.0.0/client/{client_id}";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Get a Domain

This endpoint allows you to get the data of a given PhantAuth domain. To use the PhantAuth services, you don't need this endpoint. It is, therefore, mainly used for debug/diagnostic purposes in tenant customization. Domainname is the fully qualified DNS name of the domain you get (e.g. *phantauth.n

https://api.apis.guru/v2/specs/phantauth.net/1.0.0/domain/{domainname}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/domain/{domainname}"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/domain/{domainname}",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/phantauth.net/1.0.0/domain/{domainname}';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/domain/{domainname}"
	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/phantauth.net/1.0.0/domain/{domainname}")

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/phantauth.net/1.0.0/domain/{domainname}";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Get a Fleet

Use this endpoint to generate a random group of clients. The feleet is generated in a deterministic way, on the basis of a fleet name given as a path parameter. In the case of identical fleet names, the endpoint will generate the same fleet object. The properties of the generated fleet object are ra

https://api.apis.guru/v2/specs/phantauth.net/1.0.0/fleet/{fleetname}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/fleet/{fleetname}"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/fleet/{fleetname}",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/phantauth.net/1.0.0/fleet/{fleetname}';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/phantauth.net/1.0.0/fleet/{fleetname}"
	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/phantauth.net/1.0.0/fleet/{fleetname}")

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/phantauth.net/1.0.0/fleet/{fleetname}";
$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 PhantAuth?

PhantAuth 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. PhantAuth 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 ↗