GLEIF LEI API

by api.gleif.org

Companies Added on November 7th, 2026 Checked and working on November 7th, 2026

What it does

The GLEIF API gives the global register of Legal Entity Identifiers (LEIs): the official name, address, legal form and parent companies of more than two million companies and funds worldwide, for example to check a business partner's legal name and registration. Responses are JSON:API. Free, no key needed.

API
HTTP-GET
JSON
REST

At a glance

API key: Not needed · More APIs with no key
Pricing: Free, no key needed.
From the browser: Yes (CORS)
Formats: JSON
Interface: REST, HTTP-GET
Provider: api.gleif.org
Last checked: Working on November 7th, 2026

More information: https://api.gleif.org/docs

Is this your service? Show that it is listed

Put this badge on your website or in your README; it links to this page. About the badge

HTML

<a href="https://free-web-services.com/web-services/open-data/companies/gleif-lei-api.html"><img src="https://free-web-services.com/badge.svg" width="208" height="44" alt="Listed on Free Web Services" /></a>

Markdown

[![Listed on Free Web Services](https://free-web-services.com/badge.svg)](https://free-web-services.com/web-services/open-data/companies/gleif-lei-api.html)

Example request

curl

curl 'https://api.gleif.org/api/v1/lei-records?filter[entity.legalName]=Tesco&page[size]=1'

JavaScript

const response = await fetch("https://api.gleif.org/api/v1/lei-records?filter[entity.legalName]=Tesco&page[size]=1");
const data = await response.json();
console.log(data);

Python

import requests

response = requests.get(
    "https://api.gleif.org/api/v1/lei-records?filter[entity.legalName]=Tesco&page[size]=1",
    timeout=30,
)
print(response.json())

The JavaScript works in a web page as well as in Node.js 18 or newer.