OpenFIGI API

openfigi · Data

Data No Auth Free & Open open_data

A free & open API for FIGI discovery.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GET /mapping/values/{key}

Get values for enum-like fields.

https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping/values/{key}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping/values/{key}"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping/values/{key}",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping/values/{key}';

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/openfigi.com/1.4.0/mapping/values/{key}"
	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/openfigi.com/1.4.0/mapping/values/{key}")

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/openfigi.com/1.4.0/mapping/values/{key}";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST POST /mapping

Allows mapping from third-party identifiers to FIGIs.

https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping"

import requests
response = requests.post(
    "https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping';

const response = await fetch(url, {
  method: 'POST',
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/openfigi.com/1.4.0/mapping"
	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/openfigi.com/1.4.0/mapping")

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/openfigi.com/1.4.0/mapping";
$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 OpenFIGI API?

OpenFIGI API is a Data API. Developers commonly use data APIs for:

enriching your app with third-party datasets
building data pipelines and ETL workflows
querying and searching large datasets
powering research, analysis, and reporting tools
syncing reference data into your own systems

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

New to APIs? Read our beginner's guide

Open documentation ↗