Find an API

Search public APIs with auth details & Postman guides

← All APIs

Car Registration API

regcheck · Company

Company No Auth Free & Open API

Car Registration API, An API that retrieves car information from its numberplate in many countries worldwide, uncluding the USA, UK, India, Australia and most of Europe. A username and password is required to access the API, which can be obtained from www.carregistrationapi.com - Use https://www.regcheck.org.uk/api/json.aspx/ as the root of all API calls.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Gets details of a UK Vehicle

Gets details of a UK Vehicle

https://api.apis.guru/v2/specs/regcheck.org.uk/1.0.0/Check?searchString=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/regcheck.org.uk/1.0.0/Check?searchString=example"
import requests
params = {
    "searchString": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/regcheck.org.uk/1.0.0/Check",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/regcheck.org.uk/1.0.0/Check');
url.searchParams.set('searchString', '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/regcheck.org.uk/1.0.0/Check")
	q := baseURL.Query()
	q.Set("searchString", "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/regcheck.org.uk/1.0.0/Check")
uri.query = URI.encode_www_form({
  "searchString" => "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/regcheck.org.uk/1.0.0/Check?" . http_build_query([
    "searchString" => "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 ↗
  1. See official documentation for authentication and setup.

What can you build with Car Registration API?

Car Registration 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. Car Registration API 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 ↗