IBKR 3rd Party Web API

interactivebrokers · Finance

Finance No Auth Free & Open financial

Interactive Brokers Web API for 3rd Party Companies

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Brokerage Accounts

Allows the caller to request a list of accounts associated with the session.

https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/accounts?account=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/accounts?account=example"

import requests
params = {
    "account": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/accounts",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/accounts');
url.searchParams.set('account', '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/interactivebrokers.com/1.0.0/accounts")
	q := baseURL.Query()
	q.Set("account", "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/interactivebrokers.com/1.0.0/accounts")
uri.query = URI.encode_www_form({
  "account" => "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/interactivebrokers.com/1.0.0/accounts?" . http_build_query([
    "account" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Get security definition

Fields that compose security definition. Allowed combinations, (1) type and symbol and currency, or (2) type, symbol, exchange, and currency, or (3) conid

https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/secdef

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/secdef"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/secdef",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/secdef';

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/interactivebrokers.com/1.0.0/secdef"
	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/interactivebrokers.com/1.0.0/secdef")

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/interactivebrokers.com/1.0.0/secdef";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Exchange Components

This endpoint provides a bit mapping for the bid/ask/last 'market' values in the snapshot response.

https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/marketdata/exchange_components

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/marketdata/exchange_components"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/marketdata/exchange_components",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/interactivebrokers.com/1.0.0/marketdata/exchange_components';

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/interactivebrokers.com/1.0.0/marketdata/exchange_components"
	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/interactivebrokers.com/1.0.0/marketdata/exchange_components")

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/interactivebrokers.com/1.0.0/marketdata/exchange_components";
$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 IBKR 3rd Party Web API?

IBKR 3rd Party Web API is a Finance API. Developers commonly use finance APIs for:

processing payments and handling transactions
building subscription and billing systems
automating invoicing and financial reporting
fraud detection and risk scoring
connecting to banking and accounting software

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. IBKR 3rd Party Web API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗