Open Data API

openbanking · Government

Government No Auth Free & Open financial

Latest Swagger specification for OpenData

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GET /atms

Gets a list of all `ATM` objects.

https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/atms

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/atms"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/atms",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/atms';

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/openbanking.org.uk/v1.3/atms"
	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/openbanking.org.uk/v1.3/atms")

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/openbanking.org.uk/v1.3/atms";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET GET /branches

Gets a list of all `Branch` objects.

https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/branches

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/branches"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/branches",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/branches';

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/openbanking.org.uk/v1.3/branches"
	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/openbanking.org.uk/v1.3/branches")

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/openbanking.org.uk/v1.3/branches";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET GET /business-current-accounts

Gets a list of all `Branch Current Account` objects.

https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/business-current-accounts

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/business-current-accounts"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/business-current-accounts",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/openbanking.org.uk/v1.3/business-current-accounts';

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/openbanking.org.uk/v1.3/business-current-accounts"
	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/openbanking.org.uk/v1.3/business-current-accounts")

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/openbanking.org.uk/v1.3/business-current-accounts";
$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 Open Data API?

Open Data API is a Government API. Developers commonly use government APIs for:

surfacing public datasets in citizen-facing apps
building transparency and civic engagement tools
accessing legislation, court records, and official data
powering research and journalism tools
creating compliance and regulatory monitoring dashboards

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

New to APIs? Read our beginner's guide

Open documentation ↗